[Q] how Unlock bootloader at android tablet? - Android Q&A, Help & Troubleshooting

[Q] how Unlock bootloader at android tablet? - Android Q&A, Help & Troubleshooting

hello everyone
how unlock bootloader on a tablet when it is not booting up. restarting again & again after displaying android logo??
anyone has know the method, plz help
thanx

raj1raj said:
hello everyone
how unlock bootloader on a tablet when it is not booting up. restarting again & again after displaying android logo??
anyone has know the method, plz help
thanx
Click to expand...
Click to collapse
You might get more luck if you at least tell people what tablet it is and what you did to get it in such a bad state.

tablet not booting
SimonTS said:
You might get more luck if you at least tell people what tablet it is and what you did to get it in such a bad state.
Click to expand...
Click to collapse
thanks for reply
my device is china MT6572 with android 4.2.2
I have use a very very very superb tool named "MtkDroidTools v2.48" and bricked my newly purchage tablet.
1. I click on root and happy thing is that tablet got rooted. wow
2. I have created backup from this tool and after few minutes, many *.img backup files are created on my pc and my tab's sdcard. wow again
3. After restarting the tab it restarting again & again and not booting. really a "heart attacking wow".
I have tried following steps
1. In default "android stock recovery 3e" trying to restore backup files and got message "installation aborted" everytime. same message from using "adb sideload command"
2. creating a scatter file from this tool and load backup in "SP_Flash_Tool_v5.1343.01" tool. but no any tool connect my tab. it says no device.
3. only "adb sideload" from stock recovery has the way to connect to the pc. but I don't know which kind of files are used at there??
During the backup process a log file created by MtkDroidTools has attached for details information.
then plz tell me. what I do for get again a "relaxed wow"??

Load scatter file and back up files in SP Flash tool. Power your tablet off, hit download button in SP Flash tool then connect tab to pc.
If you have the preloader driver installed SP flash tool should connect and start flashing firmware to phone. Do you hear the connecting sound when you connect powered off tablet to pc? If not, you may need to press and hold Vol Down, Vol up, or menu button while connecting tab to pc.
Hope this helps and good luck!
Sent from my SGH-I337 using xda app-developers app

tablet not booting
SimonTS said:
You might get more luck if you at least tell people what tablet it is and what you did to get it in such a bad state.
Click to expand...
Click to collapse
Klown80 said:
Load scatter file and back up files in SP Flash tool. Power your tablet off, hit download button in SP Flash tool then connect tab to pc.
If you have the preloader driver installed SP flash tool should connect and start flashing firmware to phone. Do you hear the connecting sound when you connect powered off tablet to pc? If not, you may need to press and hold Vol Down, Vol up, or menu button while connecting tab to pc.
Hope this helps and good luck!
Sent from my SGH-I337 using xda app-developers app
Click to expand...
Click to collapse
Thanks a lot sir
but my tab has no menu button, only have three hard buttons.
pressing
power + volup = stock recovery
power + voldown= nothing happen
power + volup + voldown = poweroff tab
when I connect the tab to pc in power off mode. The tab automatically startup after a charging logo.
I have preloader drivers on my pc but when turn on the tab. it is appearing in device manager (preloader composite) for only 2-3 seconds. and disconnected. because tablet rebooting again. I can't install preloader drivers in this short time.
plz suggest.

raj1raj said:
Thanks a lot sir
but my tab has no menu button, only have three hard buttons.
pressing
power + volup = stock recovery
power + voldown= nothing happen
power + volup + voldown = poweroff tab
when I connect the tab to pc in power off mode. The tab automatically startup after a charging logo.
I have preloader drivers on my pc but when turn on the tab. it is appearing in device manager (preloader composite) for only 2-3 seconds. and disconnected. because tablet rebooting again. I can't install preloader drivers in this short time.
plz suggest.
Click to expand...
Click to collapse
Ok, no need to hit a combo of buttons, only 1 button you need to press while connecting tab to PC. Please retry following the directions from my last post again
Yes, preloader will only show for a few seconds in device manager before it turns off. Preloader is only for reflashing firmware. When it enables itself, it is looking for the SP FT (or other firmware flashing programs) to be there to catch it, if not preloader shuts itself off.. Your download of SP Flash Tool should have included the needed preloader drivers. Then you load files in SP FT and hit download button then connect tab to PC.

tablet not booting ----solved
Klown80 said:
Ok, no need to hit a combo of buttons, only 1 button you need to press while connecting tab to PC. Please retry following the directions from my last post again
Yes, preloader will only show for a few seconds in device manager before it turns off. Preloader is only for reflashing firmware. When it enables itself, it is looking for the SP FT (or other firmware flashing programs) to be there to catch it, if not preloader shuts itself off.. Your download of SP Flash Tool should have included the needed preloader drivers. Then you load files in SP FT and hit download button then connect tab to PC.
Click to expand...
Click to collapse
Thank you very very very very much. Finally I have got a wow.
After many efforts, I resolved the tablet booting issue. It is possible due to only your valuable suggestion.
steps are here:
1. connect tab to pc & installing preloader usb drivers.
2. getting VID & PID of tablet usb connection.
3. modifying "SP FT settings files" with new values of my tab.
4. creating a scatter file from droid tool & load in SP FT.
5. Flashing backup to the tab successfully.
You are such a genius. I have been wasted a lot of time since a week for getting the right answer. During this period I had connected to many android experts at many sites. but no satisfaction answer.
And u are really amazing. You have got the real problem in only three conversation. really great.
Well I m a windows expert. If u feel any technical problem regarding servers or windows, ask me, I will try my best.
I am launching a website soon named "GeniusPepoleofWorld.com". Many technical experts & genius people will listed there in different categories like Android experts, Windows experts, Linux Experts, Robotics Experts, Electronics xtra xtra. I want to add you at top there in Android Expert list. Now site is under constructions. I want to know your name & personal mail-id like gmail etc. When I will finish my site, I will inform you.
One more thing I want to know that "what is the use of stock recovery & adb sideload, which files types are used with it?"
Plz plz reply this with your name and mail-id.
Thanks a lot again
-----------
Regard
Raj
Sr. Server Engineer
Delhi, India

raj1raj said:
Thank you very very very very much. Finally I have got a wow.
After many efforts, I resolved the tablet booting issue. It is possible due to only your valuable suggestion.
steps are here:
1. connect tab to pc & installing preloader usb drivers.
2. getting VID & PID of tablet usb connection.
3. modifying "SP FT settings files" with new values of my tab.
4. creating a scatter file from droid tool & load in SP FT.
5. Flashing backup to the tab successfully.
You are such a genius. I have been wasted a lot of time since a week for getting the right answer. During this period I had connected to many android experts at many sites. but no satisfaction answer.
And u are really amazing. You have got the real problem in only three conversation. really great.
Well I m a windows expert. If u feel any technical problem regarding servers or windows, ask me, I will try my best.
I am launching a website soon named "GeniusPepoleofWorld.com". Many technical experts & genius people will listed there in different categories like Android experts, Windows experts, Linux Experts, Robotics Experts, Electronics xtra xtra. I want to add you at top there in Android Expert list. Now site is under constructions. I want to know your name & personal mail-id like gmail etc. When I will finish my site, I will inform you.
One more thing I want to know that "what is the use of stock recovery & adb sideload, which files types are used with it?"
Plz plz reply this with your name and mail-id.
Thanks a lot again
-----------
Regard
Raj
Sr. Server Engineer
Delhi, India
Click to expand...
Click to collapse
I am happy to hear it worked for you. Nice job Raj! I am just passing on the knowledge I learned here on XDA (Thank @rua1 he made MTK DroidTools and without that tool alot of folks with MTK devices wouldn't have root, stock firmware back up files, or working recovery
Anyhow, as for your last 2 questions. Stock recovery is used for flashing officially signed update files from your device manufacturer (If they were to make an update that is lol) This is how all android devices are able to accept ota updates, they download the file to phone/tablet then reboot into recovery and then it flashes the downloaded file to the device.
Adb sideload allows you to connect the device to a PC and then upload a firmware file to device to be flashed via recovery instead of downloading it directly to the phone. This is useful if you had an officially signed stock firmware file for your device stored on your pc. Some custom recoveries also allow you to use adb sideload but since you have stock recovery you would be restricted to using only officially signed files.
Say for instance you were not able to get your device to boot properly, you would just need to boot tablet into recovery mode and then choose adb sideload. At this point you would connect tab to PC and then put your firmware file in the same folder you have adb.exe in. (Let's call the firmware file "firmware.zip" in this example) Then open command prompt in same folder that adb.exe is in and type "adb sideload firmware.zip" this would push the firmware.zip file to the device then flash it for you.
Since you were able to use MTK Droidtools to get root then make a back up, you should be able to also use it to make a custom recovery for your device too. When you made the back up, it will usually make 2 back ups, one on your pc that you use SP FT to flash files and restore your device then it also makes a back up on your devices sd card that is flashed through custom recovery to restore your device. This would make restoring your device pretty easy if you need to do so again and it will also allow you to restore without needing a PC to do it.
Hope this helps!
Kevin

device not booting
kbrahma said:
I've got the exact same problem with my phone... My phone, Celkon A15 (Indian brand) also has the same chipset number and while trying to root using MTKdroids tool, I have managed to get it in the boot looping stage.
I'm just curious on how you managed to get the pre-loader installed for this? I CAN NOT get the SP Flash tools to detect my phone for the life of me. Also, when I load my scatter file, it has the "PRELOADER" section in RED... and when I try to upload the preloader.bin from my backup files, it says... "Load file "*path name*" fail!"
I am still struggling to understand how the SP Flash tool works and if it would be able to get my phone alive again (well it did help you out, so I am bit optimistic).
Please HELP!
Click to expand...
Click to collapse
Hi
1. First you have connect your device to pc.
2. you have to open the device manager and keep your eyes on a new hardware found at device manager, when you start up your device.
3. Preloader will only show for a few seconds in device manager before it turns off.
3. install preloader drivers.
4. open SP Flash tool and load scatter file and set path for your backup files.
5. Click download button and reboot your device.
6. Software will catch your device and finally backup will be restored to your device.

I too have got same problem, i have infocus m2 with mt6582, i rooted with kingroot n used mtk droid tools for backup.after backup i tried to modify boot img and install cwm using mtk tools but now it wont boot up, nor it enters recovery mode, i tried to flash stock boot and recovery img through sp flashtool but its giving error (2004), plz help me plzzzz....

Related

[Q] Unbrick Nextbook Premium 7?

I need some serious help... I think I bricked my Nextbook Premium 7. I compiled a custom ROM and forgot to included a launcher. Didn't realize it until after I flashed it. My tablet is stuck in a bootloop and only way to shut it down is with the reset [pin hole] button. Power button does nothing except start it up. I have already tried to put the stock update.img on an external SD hoping it would boot from there, but it did not. I am not sure what to do next, I have looked all over google and xda. Please help!
Thank you in advance!

Do you have a custom recovery installed? Did you try installing it threw fastboot files and cmd prompt on computer?
Please hit the thank you button if i helped!

techno-update said:
Do you have a custom recovery installed? Did you try installing it threw fastboot files and cmd prompt on computer?
Please hit the thank you button if i helped!
Click to expand...
Click to collapse
There ins't a custom recovery installed, this device flashes by detecting an update.img and askes to install it. It doesn't get past what would be considered the kernel screen. This tablet doesn't work like a standard android phone. There are no hard buttons except the power button, so attempting to get into any recovery is not possible. It also doen't boot enough to add any files to it.

Sounds like your screwed. Sorry.....
Please hit the thank you button if i helped!

check out this link
http://forum.xda-developers.com/showthread.php?t=1410862&page=9

Ok, just bricked my Nextbook 7
Here is how I flashed a firmware without access to recovery:
If you are in a bootloop, Connect USB and Power.
Press and hold pin on back until you hear windows try to detect a device but the screen is off.
Download this: http://arctablet.com/assets/tools/Fi..._Tool_v1.4.zip
Install the driver from the drivers folder.
3. Installing the drivers on the computer
Following the tablet entering in recovery mode, the computer should now show it has found a new USB device and prompt for a device driver. Select the appropriate driver in the driver directory from the Rockchip Flash Tool 1.4 package.
It will then install the driver for RK29 Device
4. Sending the firmware to the tablet
The flashing tool should display a green square around the number 1 in the lower left area of the Windows application.
Select the firmware file to flash using the button in the top right area of the application. Select the update.img file from here:
http://www.multiupload.com/NQHSNZJSO2
Then push the Upgrade button to transfer the selected firmware to the tablet.
The firmware will be copied to the tablet, a progression counter will go from 0% to 100% on this step, followed by a verification.
You are done, let the tablet reboot and update itself. It should take a few minutes for the flash process to finish.
This procedure has been successfully tested on Windows XP 32 bits for flashing a bricked NextBook 7 Premium YF1011 (but should work on others)

Help !!
Please help, got the tablet yesterday NEXT7P12 YF091211085 by flashing the official site was a brick, the tablet will not turn on, the computer does not see it.

screen moved after installing rom
Hi, i don't know if I'm on the right place but if anyone can help me, please I haw the Nextbook 7 premium and have instaled costum rom on it, but after rebooting my screen position has moved from right to left 2 cm and from up to down 1 cm , so my screen is moved I don't know why I have try to install 3 other rom and factory firmware but the screen is still moved or should I say cut. Any ideas? please I have try to google it but no luck...

I no longer have my np7 but I did try just about every ROM for it. Never have I had or seen an issue like this, and in truth I can't think of what the issue may be.
There are different np7 variants and some don't play nice with custom ROMs (built sept 2012 and older lose WiFi) so you might have a model that can only use one software due to hardware/firmware change.
There never was much development for the np7 here, I think finlessbob and others are still working on it at freaktab.com maybe see if they can help
Sent from my Nexus 4 using xda premium

d33dvb said:
Ok, just bricked my Nextbook 7
Here is how I flashed a firmware without access to recovery:
If you are in a bootloop, Connect USB and Power.
Press and hold pin on back until you hear windows try to detect a device but the screen is off.
Download this: http://arctablet.com/assets/tools/Fi..._Tool_v1.4.zip
Install the driver from the drivers folder.
3. Installing the drivers on the computer
Following the tablet entering in recovery mode, the computer should now show it has found a new USB device and prompt for a device driver. Select the appropriate driver in the driver directory from the Rockchip Flash Tool 1.4 package.
It will then install the driver for RK29 Device
4. Sending the firmware to the tablet
The flashing tool should display a green square around the number 1 in the lower left area of the Windows application.
Select the firmware file to flash using the button in the top right area of the application. Select the update.img file from here:
http://www.multiupload.com/NQHSNZJSO2
Then push the Upgrade button to transfer the selected firmware to the tablet.
The firmware will be copied to the tablet, a progression counter will go from 0% to 100% on this step, followed by a verification.
You are done, let the tablet reboot and update itself. It should take a few minutes for the flash process to finish.
This procedure has been successfully tested on Windows XP 32 bits for flashing a bricked NextBook 7 Premium YF1011 (but should work on others)
Click to expand...
Click to collapse
Your link not working? Send alternative link please!

P9000 - no recovery mode

Hi All,
Really annoying self inflicted problem, changed the swipe code, forgot it, google account ADM wont reset phone, no sequence of button pressing gets phone into recovery mode, USB debugging appears to be off. How can I save my phone??!??!?!?!? What sequence should I follow, what ROM should I install, need a step by step if at all possible, complete newbie!!1? Thanks in advance.

Jacko110 said:
Hi All,
Really annoying self inflicted problem, changed the swipe code, forgot it, google account ADM wont reset phone, no sequence of button pressing gets phone into recovery mode, USB debugging appears to be off. How can I save my phone??!??!?!?!? What sequence should I follow, what ROM should I install, need a step by step if at all possible, complete newbie!!1? Thanks in advance.
Click to expand...
Click to collapse
ok you are most likely on 20160810 where recovery does not work.
you are most likely on windows 10 as well. first lets find a rom where recovery works.
We can use 20160810 rom and wipe userdata partition..
Here is the download link https://mega.nz/#!ys4DTIxa!8rrL0aktVQ8W7Q4Et8fvQ8jk2tAxLZvJOJH48S9Vkyk .
Once you have finished downloading you should then extract it to a folder.
Next we need to prepare your computer for the flashing process by installing the correct drivers.
look in this thread http://forum.xda-developers.com/elephone-p9000/how-to/how-to-guideline-install-mtk-drivers-t3344042 scroll for your version of windows. follow the instructions and everything should work.
If you dont have add hardware option in windows then hit windows button and r and enter hdwwiz.exe.
now you have installed the drivers we need to download sp flash tools which is what we need to install the rom.
So go this website http://spflashtool.com/ now click on the first download link 'SPFlash Tool 5.1628' .
this will download a zip file. again extract it to a new folder. ok now you need to go in the flash tool and run flash_tool.exe by just clicking on it. now the software will load up.
You need to load the scatter file from the rom folder. The scatter file should be outside the encrypt folder and should be called MT6755_Android_scatter.txt . Now the rom should be loaded. You have some more options here, you can either untick all boxes and leave userdata (where your security and codes are stored) ticked or you can leave everything ticked which would flash the rom again. So once you have decided what option you have you need to turn your phone off. you then need to click download in flash tools and then connect your phone to the pc and hold the vol+ button. Then wait for it to flash, once the box with the tick opens you can close the program and restart your phone.

no recovery
there is no recovery in this build.........you have to flash one of your own.....

No recovery
Thank you, will start trying now and let you know.

Success!
Pro4TLZZ said:
ok you are most likely on 20160810 where recovery does not work.
you are most likely on windows 10 as well. first lets find a rom where recovery works.
We can use 20160810 rom and wipe userdata partition..
Here is the download link https://mega.nz/#!ys4DTIxa!8rrL0aktVQ8W7Q4Et8fvQ8jk2tAxLZvJOJH48S9Vkyk .
Once you have finished downloading you should then extract it to a folder.
Next we need to prepare your computer for the flashing process by installing the correct drivers.
look in this thread http://forum.xda-developers.com/elephone-p9000/how-to/how-to-guideline-install-mtk-drivers-t3344042 scroll for your version of windows. follow the instructions and everything should work.
If you dont have add hardware option in windows then hit windows button and r and enter hdwwiz.exe.
now you have installed the drivers we need to download sp flash tools which is what we need to install the rom.
So go this website http://spflashtool.com/ now click on the first download link 'SPFlash Tool 5.1628' .
this will download a zip file. again extract it to a new folder. ok now you need to go in the flash tool and run flash_tool.exe by just clicking on it. now the software will load up.
You need to load the scatter file from the rom folder. The scatter file should be outside the encrypt folder and should be called MT6755_Android_scatter.txt . Now the rom should be loaded. You have some more options here, you can either untick all boxes and leave userdata (where your security and codes are stored) ticked or you can leave everything ticked which would flash the rom again. So once you have decided what option you have you need to turn your phone off. you then need to click download in flash tools and then connect your phone to the pc and hold the vol+ button. Then wait for it to flash, once the box with the tick opens you can close the program and restart your phone.
Click to expand...
Click to collapse
Thank you soo much, all sorted. Take it that I can now use these tools and newly gained knowledge to upgrade OS???

Jacko110 said:
Thank you soo much, all sorted. Take it that I can now use these tools and newly gained knowledge to upgrade OS???
Click to expand...
Click to collapse
You can but be careful as you could damage your phone

Has anyone got a link to a custom recovery I can flash on to p9000 running latest ROM

haidar123 said:
Has anyone got a link to a custom recovery I can flash on to p9000 running latest ROM
Click to expand...
Click to collapse
http://forum.xda-developers.com/ele...nofficial-twrp-elephone-p9000-t3426678/page11 use a p9000 scatter file

Hi,
I have the same problem with my P9000 : Elephone_P9000_20160810, I even cannot install the last update 20170112 because the recovery mode is not working. but I use Linux mint on my laptop.
I already downloaded the Linux version of the flashing tool, give it a try but at the time of the flashing my laptop freeze. Scarred to death, I restarted my phone, no damage done, but now, after stay away from the idea the time to recover from my post traumatic syndrome disorder, I am ready to try again with the help of peoples knows what they are doing.
What are the points I have to be aware using Linux mint when I follow this tutorial.
Thanks for your time

New Recovery File
Need to use this one. I had the same problems https://redirect.viglink.com/?format=go&jsonp=vglnk_148541845062211&key=f0a7f91912ae2b52e0700f73990eb321&libId=iye3se1601000n4o000DA1jol7bnvwro0d&loc=https%3A%2F%2Fforum.xda-developers.com%2Fsitesearch.php%3Fq%3Dp9000%2520twrp%2520unofficial&v=1&out=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%3A%2F%2Fforum.xda-developers.com%2Felephone-p9000%2Fdevelopment%2Frecovery-unofficial-twrp-elephone-p9000-t3426678%26sa%3DU%26ved%3D0ahUKEwiR2N_0rt_RAhUF5xoKHQaCAEUQFggEMAA%26client%3Dinternal-uds-cse%26usg%3DAFQjCNEDufTDo_BhHEYeYoUxe8gtq12xsw&title=General%20Search&txt=%5BRECOVERY%5D%20%3Cb%3EUnofficial%20TWRP%3C%2Fb%3E%20for%20Elephone%20%3Cb%3EP9000%3C%2Fb%3E%203.0.2-8

As someone who has done this a few times - and forgotten this vital step almost every time, just a reminder that when using SPFlash Tool - after you set up the scatter file, you click on download so that it is trying to communicate with the phone before you even plug the cable into the phone, then with your phone turned off you hold Vol+ as you plug in the cable. It should send the file almost instantly.

LENOVO Tab 3 8' (TB3-850F) UNBRICK, ROOT and TWRP recovery - HOW TO

Hi all!!
This is for all the people who managed to softbrick (or hardbrick) their Lenovo Tab 3 8' (TB3-850F) tablets!
All you will need link, at the end of the post. I don't know for how long it will be up, but you can use it for now.
By the way.... Should you find something useful here... please hit the thanks button in the end
A. Unbrick
This requires flashing a clean stock rom. You will need:
a. stock rom for the TB3-850F (Google is you friend )
b. Sp Flashtool (you can download from their official site). From there, also download the MediaTek USB VCOM drivers and Driver Auto Installer v1.1236.00 (or any latest version).
Steps:
1. Install the windows drivers you downloaded
Note : If you encounter problems installing Windows drivers in Windows 10, google how to install unsigned drivers in Win10
2. Open the folder you extracted SP Flashtool and run it as administrator.
3. Unzip the rom file you downloaded.
4. Inside the folder of your unzipped rom file, look for a file similar to XXXXXXXXXX_scatter_file.txt
5. Load this in the SP Flashtool (click downlad tab, then scatter loading, load this file in there. It should load your rom you will see some colours, etc...
The tricky part:
Assuming you have correctly installed the drivers:
1. turn off the device (well if bricked it is turned off all ready) just make sure, and in SP Flashtool click options and 'with battery'.
2. Click the green download button on SP Flashtool.
3. Hold down the Vol down key on your device and connect it to a usb port.
4. If you see a red line and continue to yellow, all is probably good! Don't let go of the vol - button until yellow line reaches 100%
B. Root and TWRP recovery
This requires that you have or download:
a. platform tools (adb and fastboot)
b. a twrp.img (image file) for the lenovo TB3-850F copied to external SD Card and platform tools folder (google is... useful )
c. latest supersu.zip (flashable) copied to an external SD CARD
d. busybox.apk
Steps:
1. Grab tablet, go to settings ---> about tablet ---> click version number 7 times to enable developer options
2. From settings again click developer options and enable OEM Unlocking and usb debugging
3. Navigate in the platform tools folder. While holding SHIFT right click and select open commandline here (or similar)
4. Connect tablet to PC and in the command line issue: adb devices
If a weird number shows up and says device on the left you are all good to continue.
5. Now on the command prompt again issue: adb reboot bootloader
Your tablet should now reboot to fastboot (big Android, laying down)
6. Issue command: fastboot oem unlock (also check tablet screen for confirmation)
Wait a little bit and reboot your tablet. (should work with holding the power key down for a little longer than 10 seconds. If not hold down volume key and power button for the same amount of time - tested and working)
**At this point it is ESSENTIAL to leave the tablet to fully boot. The bootloader unlock triggers a FACTORY RESET which you must leave to complete and set up your tablet from the beginning.
** It is also ESSENTIAL to complete the boot and set up cycle because, after the automatic factory reset you will need to RE-ENABLE developer options and usb debugging. Once you are done continue to 7.
7. In the platform tools folder copy the twrp.img (you should have downloaded earlier, check upwards... )
8. Open the command line again and type:
a. adb reboot bootloader
b. fastboot boot twrp.img
** This will load up TWRP recovery only for this boot time.
****BE EXTRA CAUTIUS TO -NOT- ALLOW twrp to make modifications. Essential! Should you do otherwise go back to how to unbrick your tablet.
9. Choose install, and install supersu.zip.
10. Choose reboot to system and allow complete boot cycle! Essential!
11. Your tablet should now be rooted. However to succesfully flash the twrp recovery you need to have Busybox installed. Download as .apk and install it (at the time of writing this I believe Busybox 54 is the latest version).
12. Once installed back to the windows terminal and issue:
a. adb reboot bootloader
b. fastboot boot twrp.img
ONCE AGAIN - DO -NOT- ALLOW twrp to make modifications!!!!!
13. From you external SD Card install twrp.img, select recovery when prompted.
14. Reboot to system and enjoy!!!!
Note : Install an app that makes it easy to boot to recovery. (I personally use root essentials - Trying the combination keys did nothing for me, or just poped up the chinese options menu. That does not mean the recovery has not been installed correctly. Booting to recovery from rootessential menu, boots straight to twrp)
All you will need and credits:
https://drive.google.com/drive/fold...ourcekey=0-SDvJaXtWWk-TY9B53ct8dw&usp=sharing (thanks button, thanks button, thanks button!!! )
Results:
(it is in Greek, but you get the idea )
Hope I have helped! Happy playing with the commands and whole process! :good:
Lastly, if you get stuck at any point, you can either use this thread or PM me for further advice, explanation and/or any kind of assistance.
Note: Special thanks to @MotoJunkie01 for actually taking the time to further help people on this thread, as unfortunately I do not currently have the time to do so myself. It is worth checking out @MotoJunkie01 's threads also. There, you can find very useful and updated information.

r&xp said:
Hi all!!
This is for all the people who managed to softbrick (or hardbrick) their Lenovo Tab 3 8' (TB3-850F) tablets!
If you find it useful, just hit thanks in the end
A. Unbrick
This requires flashing a clean stock rom. You will need:
a. stock rom for the TB3-850F (Google is you friend )
b. Sp Flashtool (you can download from their official site). From there, also download the MediaTek USB VCOM drivers and Driver Auto Installer v1.1236.00
Steps:
1. Install the windows drivers you downloaded
2. Open the folder you extracted SP Flashtool and run it as administrator.
4. Unzip the rom file you downloaded.
4. Inside the folder of your unzipped rom file, look for a file similar to XXXXXXXXXX_scatter_file.txt
5. Load this in the SP Flashtool (click downlad tab, then scatter loading, load this file in there. It should load your rom you will see some colours, etc...
The tricky part:
Assuming you have correctly installed the drivers:
1. turn off the device (well if bricked it is turned off all ready) just make sure, and in SP Flashtool click options and 'with battery'.
2. Click the green download button on SP Flashtool.
3. Hold down the Vol down key on your device and connect it to a usb port.
4. If you see a red line and continue to yellow, all is probably good! Don't let go of the vol - button until yellow line reaches 100%
B. Root and TWRP recovery
This requires that you have or download:
a. platform tools (adb and fastboot)
b. a twrp.img (image file) for the lenovo TB3-850F copied to external SD Card and platform tools folder (google is... useful )
c. latest supersu.zip (flashable) copied to an external SD CARD
d. busybox.apk
Steps:
1. Grab tablet, go to settings ---> about tablet ---> click version number 7 times to enable developer options
2. From settings again click developer options and enable OEM Unlocking and usb debugging
3. Navigate in the platform tools folder. While holding SHIFT right click and select open commandline here (or similar)
4. Connect tablet to PC and in the command line issue: adb devices
If a weird number shows up and says device on the left you are all good to continue.
5. Now on the command prompt again issue: adb reboot bootloader
Your tablet should now reboot to fastboot (big Android, laying down)
6. Issue command: fastboot oem unlock (also check tablet screen for confirmation)
Wait a little bit and reboot your tablet.
**At this point it is ESSENTIAL to leave the tablet to fully boot. The bootloader unlock triggers a FACTORY RESET which you must leave to complete and set up your tablet from the beginning.
** It is also ESSENTIAL to complete the boot and set up cycle because, after the automatic factory reset you will need to RE-ENABLE developer options and usb debugging. Once you are done continue to 7.
7. In the platform tools folder copy the twrp.img (you should have downloaded earlier, check upwards... )
8. Open the command line again and type:
a.adb reboot bootloader
b.fastboot boot twrp.img
** This will load up TWRP recovery only for this boot time.
****BE EXTRA CAUTIUS TO -NOT- ALLOW twrp to make modifications. Essential! Should you do otherwise go back to how to unbrick your tablet.
9. Choose install, and install supersu.zip.
10.Choose reboot to system and allow complete boot cycle! Essential!
11.Your tablet should now be rooted. However to succesfully flash the twrp recovery you need to have Busybox installed. Download as .apk and install it (at the time of writing this I believe Busybox 54 is the latest version.
12.Once installed back to the windows terminal and issue:
a.adb reboot bootloader
b.fastboot boot twrp.img
ONCE AGAIN - DO -NOT- ALLOW twrp to make modifications!!!!!
13. From you external SD Card install twrp.img, select recovery when prompted.
14. Reboot to system and enjoy!!!!
Note 1: Install an app that makes it easy to boot to recovery. (I personally use root essentials - Trying the combination keys did nothing for me, or just poped up the chinese options menu. That does not mean the recovery has not been installed correctly. Booting to recovery from rootessential menu, boots straight to twrp)
Note 2: If you encounter problems installing Windows drivers in Windows 10, google how to install unsigned drivers in Win10
I apologize for not being able to post links, but I believe the required software is not particularly hard to find.
Hope I have helped! Happy playing with the commands and whole process! I will continue to help as much as I can :good:
Click to expand...
Click to collapse
Good guide. This tablet has temperamental steps involved with custom recovery and root. This guide gives a good outline of those steps. Here is a link to my thread for Stock Android 6.0 firmware for this tablet for members who need a stock ROM.
https://forum.xda-developers.com/android/general/rom-lenovo-tab-3-8-tb3-850f-android-6-0-t3593043
---------- Post added at 09:08 PM ---------- Previous post was at 09:06 PM ----------
Sorry, didn't mean to quote the entire OP....

MotoJunkie01 said:
Good guide. This tablet has temperamental steps involved with custom recovery and root. This guide gives a good outline of those steps. Here is a link to my thread for Stock Android 6.0 firmware for this tablet for members who need a stock ROM.
https://forum.xda-developers.com/android/general/rom-lenovo-tab-3-8-tb3-850f-android-6-0-t3593043
---------- Post added at 09:08 PM ---------- Previous post was at 09:06 PM ----------
Sorry, didn't mean to quote the entire OP....
Click to expand...
Click to collapse
Thank you, I appreciate your comment. I was really enthusiastic to read that you are working on a pure Stock Android 6.0 ROM for this device! Will definitely be waiting for that!
Thank you again!

r&xp said:
Thank you, I appreciate your comment. I was really enthusiastic to read that you are working on a pure Stock Android 6.0 ROM for this device! Will definitely be waiting for that!
Thank you again!
Click to expand...
Click to collapse
Thank you for the encouragement. I am in hopes that we can eventually get a dedicated device forum for the tb3-850f. I truly believe this tablet has the potential for plenty of future development.

@r&xp I love you so much, I was in the same predicament as you and you helped get my tablet running again. Just wanted to mention, I had to hold volume down when plugging in the USB for the SPFT step instead of volume up. THANK YOU AGAAAAAAAAAAIN <3

Rimmir said:
@r&xp I love you so much, I was in the same predicament as you and you helped get my tablet running again. Just wanted to mention, I had to hold volume down when plugging in the USB for the SPFT step instead of volume up. THANK YOU AGAAAAAAAAAAIN <3
Click to expand...
Click to collapse
Thanks for the comment!!! :silly:
Glad it worked for you. Isn' t it like a really good feeling when you actually see your bricked device boot correctly for the first time after you had almost deemed it unusable???
(also... a... small request... could you please click on that thingy... you know... that ehhh... thanks button??? :angel::angel:)

Just an update, since damaging my TB3-850F, I have since ordered another unit from Office Depot which is due to be delivered Monday or Tuesday. Once it arrives, I'll finish my TWRP flashable stock 6.0 ROM for this device and start back on the modified stock ROM.

r&xp said:
Thanks for the comment!!! :silly:
Glad it worked for you. Isn' t it like a really good feeling when you actually see your bricked device boot correctly for the first time after you had almost deemed it unusable???
(also... a... small request... could you please click on that thingy... you know... that ehhh... thanks button??? :angel::angel:)
Click to expand...
Click to collapse
Lol yessir, thanked!
MotoJunkie01 said:
Just an update, since damaging my TB3-850F, I have since ordered another unit from Office Depot which is due to be delivered Monday or Tuesday. Once it arrives, I'll finish my TWRP flashable stock 6.0 ROM for this device and start back on the modified stock ROM.
Click to expand...
Click to collapse
Looking forward to it. I picked mine up from walmart just yesterday for using as a google maps/car media center

My Lenovo Tab 3 replacement finally arrived in the mail. I'll be picking up where I left off on compiling both unmodified stock and custom stock-based ROMs for this tablet.

On my modified stock based ROM, I'm considering the implementation of Substratum (Root Ver) for theming, but I would like to get the input of other device owners first. So far, I have debloated, deodexed and zipaligned the OS. I am including the modified/patched boot image with SuperSU v2.79 SR3 binaries installed for systemless root, Nova Launcher, Pixel Icon Pack, BusyBox v1.26.2 binaries pre-injected in /su/xbin/, and Kernel Adiutor-Mod installed in /system/apps/ for user defined adjustments to the stock kernel and governors.
You guys please give me input on what you would like included in the ROM. Thanks

r&xp said:
Hi all!!
This is for all the people who managed to softbrick (or hardbrick) their Lenovo Tab 3 8' (TB3-850F) tablets!
Click to expand...
Click to collapse
I had a Lenovo Tab3 that bricked during the initial set up and this saved me for having an expensive paperweight! The process worked like a charm. You ROCK!

chienfou said:
I had a Lenovo Tab3 that bricked during the initial set up and this saved me for having an expensive paperweight! The process worked like a charm. You ROCK!
Click to expand...
Click to collapse
Really glad it worked for you!!!
Thumbs up! :good::good:

load the scatter file .txt in SP Flashrom is OK ... it show me purple color until finish loading the file.
but how come when I hit the green button Download, it seems like nothing downloading,

thanks God, and thank you so muchhh muchhh muchhh for saving my tablet... after 2 days struggling with this brick
thank you the topic thread and MotoJunkie01 led me here :crying::fingers-crossed:

yiukiang said:
thanks God, and thank you so muchhh muchhh muchhh for saving my tablet... after 2 days struggling with this brick
thank you the topic thread and MotoJunkie01 led me here :crying::fingers-crossed:
Click to expand...
Click to collapse
Try again to get TWRP installed to your /recovery partition or, alternatively, try to simply boot into TWRP from fastboot with the fastboot boot twrp.img command. It is common for members to experience some difficulty in installing custom recovery on this device. It has been my experience that most members are successful the second time around.

Thanks MotorJunkie!! But mine after was saved from brick from this thread, i was rooted it also by your instructions from other thread.. Now the gps from GoogleMap doesn't determine the location (even the location already turned on ) ... Plus i couldn't check the systemupdate ( it says connection network failed even i was connecting to wifi already) ...
What should i do, or do you know how to fix it?

yiukiang said:
Thanks MotorJunkie!! But mine after was saved from brick from this thread, i was rooted it also by your instructions from other thread.. Now the gps from GoogleMap doesn't determine the location (even the location already turned on ) ... Plus i couldn't check the systemupdate ( it says connection network failed even i was connecting to wifi already) ...
What should i do, or do you know how to fix it?
Click to expand...
Click to collapse
System updates (OTAs) won't install on rooted operating systems. To install an OTA, you must have unmodified stock /boot, /system, and /recovery partitions installed. On the GPS issue, go to Settings, Apps, and ensure Google Maps has been granted location access permission.

Hi ...
I followed this guide but during the unbricking' I unplugged the device from USB (since I could not see any input on device or indication in SP Flash Tool).
Now the device will not turn on at all (previously I would see the Lenovo Logo splash screen but then it would just stay at this screen. Now i do not see anything).
When I plug into computer by USB, it causes my computer to freeze up (Windows 10).
Any ideas or is this now completely bricked? (hard bricked).

xavier234 said:
Hi ...
I followed this guide but during the unbricking' I unplugged the device from USB (since I could not see any input on device or indication in SP Flash Tool).
Now the device will not turn on at all (previously I would see the Lenovo Logo splash screen but then it would just stay at this screen. Now i do not see anything).
When I plug into computer by USB, it causes my computer to freeze up (Windows 10).
Any ideas or is this now completely bricked? (hard bricked).
Click to expand...
Click to collapse
It sounds like a hard brick. I can't speak for the OP, @r&xp on this, so you may want to get his advice. Have you tried the OP's methods of using your hardware buttons for forcing the device into adb/fastboot recognition? I think this is your only chance of recovering it. By it not powering on, from my experience, a bootloader or bootloader dependent partition has been corrupted, thus hard bricking the tablet.

MotoJunkie01 said:
It sounds like a hard brick. I can't speak for the OP, @r&xp on this, so you may want to get his advice. Have you tried the OP's methods of using your hardware buttons for forcing the device into adb/fastboot recognition? I think this is your only chance of recovering it. By it not powering on, from my experience, a bootloader or bootloader dependent partition has been corrupted, thus hard bricking the tablet.
Click to expand...
Click to collapse
Hello, I'll weigh in on this one. There are multiple threads above the TB3-850F on this forum and also another forum.
I initially followed a different thread and instructions which caused my problem. Notably do not allow TWRP write access !!! This mistake caused the soft-brick.
Anyone following any other advice about TB3-850F or downloading any other image BEWARe. Only follow the advice in this thread by r&xp:
https://forum.xda-developers.com/android/help/lenovo-tab-3-8-tb3-850f-unbrick-root-t3598727
Following this advice I now restored original image and then rooted in just a few hours.. Thank you r&xp for the good advice. :laugh:

Alcatel flash plus 2 doesn't boot after root

Hi...
I try to root my FL02 (ALCATEL FLASH PLUS 2) every thing goes perfect and i get ORANGE STATUS but at the last step when trying to flash the rom with TWRP it could not read the SD card and system folder isn't abel to wipe so i try to repeat steps again.
first flasing in the video done and mobile restarting. no logo on screen and it doesnt boot and cannt go in boot mode or fastboot mode.
it connect and disconnect with PC but i still can connect it to flashing programme and i can send flash from PC but it doesnt boot and nothing appear on the screen.
any help....
Phone : FLASH PLUS 2
N D1M N7KE 03 TJZ
ANDROID 6.0
I follow this video to root
youtube.com/watch?v=d8zPGPJ_uZY

EFAYSAL said:
Hi...
I try to root my FL02 (ALCATEL FLASH PLUS 2) every thing goes perfect and i get ORANGE STATUS but at the last step when trying to flash the rom with TWRP it could not read the SD card and system folder isn't abel to wipe so i try to repeat steps again.
first flasing in the video done and mobile restarting. no logo on screen and it doesnt boot and cannt go in boot mode or fastboot mode.
it connect and disconnect with PC but i still can connect it to flashing programme and i can send flash from PC but it doesnt boot and nothing appear on the screen.
any help....
Phone : FLASH PLUS 2
N D1M N7KE 03 TJZ
ANDROID 6.0
I follow this video to root
youtube.com/watch?v=d8zPGPJ_uZY
Click to expand...
Click to collapse
Ok, tell me to can help you;
Do you have TWRP installed?
Do you unlock bootloader succesfully?
In which modes you can enter? fastboot, recovery, download (do detects SPFlash Tool?)

SubwayChamp said:
Ok, tell me to can help you;
Do you have TWRP installed?
Do you unlock bootloader succesfully?
In which modes you can enter? fastboot, recovery, download (do detects SPFlash Tool?)
Click to expand...
Click to collapse
Thank you SubwayChamp for help.
No , TWRP is not installed now .
Yes, I think bootloader has been unlocked. It is done with Orange status.
I think it is in download mode. it detects SPFlash.

EFAYSAL said:
Thank you SubwayChamp for help.
No , TWRP is not installed now .
Yes, I think bootloader has been unlocked. It is done with Orange status.
I think it is in download mode. it detects SPFlash.
Click to expand...
Click to collapse
Ok, I guess that your device is actually in bootloop and don´t booting.
Tutorial that you followed has many steps and don´t need to do all this to just root device and it contains some files like lk.bin that you can´t be sure that should be for your device.
Some users use this file (lk.bin) of an unlocked device and think that flashng in other device then get unlock it but no need, your device can be unlock it just follow some commands in fastboot mode.
Now you can do the next;
Try to flash again your rom stock (I guess that you don´t have a backup), if for some reason your official tool doesn´t work then use only some images like boot, system and userdata with the scatter.txt to flash them through SP Flash Tool.
Here a link to TWRP https://youtu.be/6vj_BY6xJdA, you can root it with supersu v2.78 0r v2.82 and here some files that can be usefull too https://drive.google.com/uc?id=0BwJgeCYTpnEHNlg2VUlieHFTYVU&export=download
Update steps that you are following to can assist. What extension has your rom and if it is recogniced for SP Flash Tool. I didn´t ask you if you can enter to fastboot mode and if you can then you can know if your bootloader is unlocked typing fastboot oem info
Most info that you give and some screenie will help to understand better

Unfortunatly, it can not enter to fastboot or recovery mode. Those files in replay didn't work and i dont have a backup. I try to flash recovery.img, system.img and preloader_shine_plus.bin . All done but it still black screen and does not boot. But now it connect to Pc without disconect .
I cant add link or images to my post.

EFAYSAL said:
Unfortunatly, it can not enter to fastboot or recovery mode. Those files in replay didn't work and i dont have a backup. I try to flash recovery.img, system.img and preloader_shine_plus.bin . All done but it still black screen and does not boot. But now it connect to Pc without disconect .
I cant add link or images to my post.
Click to expand...
Click to collapse
Gmail didn´t warn myself about your post. Did you solve it?
You said that flashed recovery, system and preloader but how, through SPFlashTool?, if yes, are you sure that this tool recogniced your device?
You forgot to flash boot.img too.
Other way to try; flash only preloader.bin and then try flashing boot, system and userdata that are the three most important partitions to can boot.
Like last resort you can do a Format all + flash but only like last.

SubwayChamp said:
Gmail didn´t warn myself about your post. Did you solve it?
You said that flashed recovery, system and preloader but how, through SPFlashTool?, if yes, are you sure that this tool recogniced your device?
You forgot to flash boot.img too.
Other way to try; flash only preloader.bin and then try flashing boot, system and userdata that are the three most important partitions to can boot.
Like last resort you can do a Format all + flash but only like last.
Click to expand...
Click to collapse
first of all thank you for your help. I was busy last week .
Yes it was with SPFlash and it is show MT6775 when mobile connect . but if i try flashing boot it gives an erorr and cant flashing.
I think i have a wrong boot file.
I miss userdata file.
Do you know where can i download necessary files for this model?
I apologize for delaying. It is time for school examin

EFAYSAL said:
first of all thank you for your help. I was busy last week .
Yes it was with SPFlash and it is show MT6775 when mobile connect . but if i try flashing boot it gives an erorr and cant flashing.
I think i have a wrong boot file.
I miss userdata file.
Do you know where can i download necessary files for this model?
I apologize for delaying. It is time for school examin
Click to expand...
Click to collapse
I´m not sure if you are connecting correctly your device at right time and form to can flash it properly. Every device has more or less a specific way to do it. My last alcatel it was connected just with device power off and after to tap on download, but in other device Blu Dash was connected pressing just vol_up and my last mt6757 Bluboo had to press both vol up and down at time to connect to pc and after to tap on download option. To have sure that is well done increase volume in your pc, you will hear a first sound that is cause pc is recognicing but then you have to hear a second sound that is when SPFlashTool is recognicing device and you will see a red line in down side of the tool window, release button inmediately and let tool to work.
This is a good rom for your device according the author is optimized https://droid1311.blogspot.com/2017/08/alcatel-fl02-aka-flash-plus-2-via.html and this is the link directly if you have troubles with pop-up-adds https://drive.google.com/file/d/0BwAGh1drb91SeDZwV1VXbXpjQWM/view
Also you can try with other versions of SP Flash Tool, most stable maybe should be v5,1628 https://androidmtk.com/smart-phone-flash-tool leth me know how you go

If I understant, the status bar has to be red then I will release the mobile button and click download in SPFlashTool.
SPFlashTool 5.1628:
I try all the way with and without pressing any button but no luck . And when it work finishing with error.
SPFlashTool 5.1628:
I try all the way to get that mode but nothing works. So I try to click download button then conect the phone by random buttons and every time i get red color , yellow , green ,purple , yellow (for many times 100%)
then i get this error:
ERR: STATUS-SEC-IMG-TYPE-MISMATCH (0xC002002A)

EFAYSAL said:
If I understant, the status bar has to be red then I will release the mobile button and click download in SPFlashTool.
I try all the way to get that mode but nothing works. So I try to click download button then conect the pkone by random buttons and every time i get red color , yellow , green ,purple , yellow (for many times 100%)
then i get this error:
ERR: STATUS-SEC-IMG-TYPE-MISMATCH (0xC002002A)
Click to expand...
Click to collapse
There is a part that is not variable in the way to use this tool, ever you have to tap on download before to connect device and is recommendable too connect cable usb to pc (not yet to device); from here is when the button that you have to press can vary but like I said you before in my last mt6757 (a very similar to yours) works pressing both vol at same time to connect terminal cable to device and now you will see a red line (could be violet-ish)
Try before just flashing only preloader file to recreate some partitions and then do other flash for the other files.
Of course you have to be sure that all drivers are installed correctly cause this tool needs to put your device in download mode (a special level) and also keep it in this state so find VCOM drivers for Alcatel and adb/fastboot installer and try to uninstalling some older drivers that you don´t use and many times we keep in our pcs and for a short data transmission can helo that all the rom move it in same folder where SPFlashTool is allocated.

After updating drivers and trying all the possibilities buttons the red line doesnt appear.

EFAYSAL said:
After updating drivers and trying all the possibilities buttons the red line doesnt appear.
Click to expand...
Click to collapse
Ok, here there are somethings that we need to know
- First of all don´t forget to charge your battery, after many attempts could consume a lot.
- Your device is recogniced in fastboot mode? mtk has two variables ways to enter to, pressing both vol + pwr till an options menu appear, then you have to select, and the other method most known is vol down+ pwr to go diirectly
- In what android version are you, 6.0?
- What is the exact variant of your device, you can know maybe seeing in the box, this rom is for 5095K version 6.0 MM
- Did you try to flash just preloader, only this file?
If SPFlashTool don´t give signals of recognicing device is probably that your device is not now totally power off, try pressing pwr by 7 seconds, then try to flash again combining both vol with pwr button
Upload some screenshot about the process

SubwayChamp said:
Ok, here there are somethings that we need to know
- First of all don´t forget to charge your battery, after many attempts could consume a lot.
- Your device is recogniced in fastboot mode? mtk has two variables ways to enter to, pressing both vol + pwr till an options menu appear, then you have to select, and the other method most known is vol down+ pwr to go diirectly
Click to expand...
Click to collapse
Which option mode should appear? Screen is always black (off) all that i have on the phone is the LED.
I try more than 4 different drivers for Alcatel Flash Plus 2 (vcom & cdc) but no sound from SPFlash to prove that it recognise the phone. Sounds just release and keep relrease from Windows 10.
SubwayChamp said:
- In what android version are you, 6.0?
Click to expand...
Click to collapse
Yes, last time it was 6.0 before the root
SubwayChamp said:
- What is the exact variant of your device, you can know maybe seeing in the box, this rom is for 5095K version 6.0 MM
Click to expand...
Click to collapse
Unfortunatly, I dont know . There is nothing on the box or manuel.
that is what i found on the box :
FL02
Venus gold H-B
FL02-2HLCEU2
- PWR+VOL(+) : reset the phone
SubwayChamp said:
- Did you try to flash just preloader, only this file?
Click to expand...
Click to collapse
It is done. all that i have to do is to tab on Download and then connect the phone and I dont need to press any button.
SubwayChamp said:
If SPFlashTool don´t give signals of recognicing device is probably that your device is not now totally power off, try pressing pwr by 7 seconds, then try to flash again combining both vol with pwr button
Upload some screenshot about the process
Click to expand...
Click to collapse
I did that but it is same.
Note:
Success fash always done without pressing any button on the phone. and I try it with and without buttons sometimes it is fail when I press a button and otherwise it work.
I have formated whole fash.

EFAYSAL said:
Which option mode should appear? Screen is always black (off) all that i have on the phone is the LED.
I try more than 4 different drivers for Alcatel Flash Plus 2 (vcom & cdc) but no sound from SPFlash to prove that it recognise the phone. Sounds just release and keep relrease from Windows 10.
Yes, last time it was 6.0 before the root
Unfortunatly, I dont know . There is nothing on the box or manuel.
that is what i found on the box :
FL02
Venus gold H-B
FL02-2HLCEU2
- PWR+VOL(+) : reset the phone
It is done. all that i have to do is to tab on Download and then connect the phone and I dont need to press any button.
I did that but it is same.
Note:
Success fash always done without pressing any button on the phone. and I try it with and without buttons sometimes it is fail when I press a button and otherwise it work.
I have formated whole fash.
Click to expand...
Click to collapse
You need to try two different ways to flash files and restore your device.
First method: fastboot mode
You need to get device enter to fastboot in order to flash some files like system, boot and userdata, then there are two main methods to do it:
- Pressing pwr + vol down
- And I mentioned that sometimes work pressing both volume button + pwr and a menu have to appear to can select an option to enter to (fastboot mode), in some devices this method is not working but you have to try several times attempting to.
Second method: SPFlashTool
You have to ever press first of all Download box and connect terminal cable to pc and the buttons thhat you need to press at time to connec cable usb to your device may vary, sometimes vol down, sometimes both vol but never pwr button; if pc recognice then you have to release all buttone an let it pc continue the flash process.
If SPFlashTool recognice device first flash only preloader file and select now lk.bin too. Flash only these two files and after do again a new flash with the rest of the files, Why you need to do this? your partitions are corrupted and you need to restore them with these files in order to can flash all another files.
Before all of this charge your battery, if you have a cover removable then extract it some minutes and put it again.
Also I read that for this model it´s used this tool instead of SPFlash Tool https://androidmtk.com/download-sugar-mtk-sp-flash-tool (inside the zip you will find a password to start the tool) but I´m not sure what kind of rom it needs, you have to connect your device to begin the process, you will find in product models section in the tool this variant for your device "FL02"
Try first the other tool and then this and let me know how you go, mtk devices are almost unbrickeable so it´s just to find the appropriate way to return it to the life.

Hi again!
It was along time,I know . But I tried to know why I can’t return my phone back to life.
I have searched all possible websites for rom of this model and I have formatted my pc and installed win7 with all necessary drivers.
I can’t found any rom for it but now I can flash all the necessary files for boot they flashing and running smoothly but the mobile can’t boot up.
I try to use that app in your replay. It recognizes the device but stuck after that and keep looking for rom without any chance to download it.
I think I have a wrong rom files. I can’t find any other reason but this.
I will write again all information about my phone:
It is called Alcatel Flash Plus 2
I bought it from AliExpress and it came from Indonesia as I remember (not sure)
On battery wrote:
FL02
TCL communication Ltd
FL02-2HLCEU2

EFAYSAL said:
Hi again!
It was along time,I know . But I tried to know why I can’t return my phone back to life.
I have searched all possible websites for rom of this model and I have formatted my pc and installed win7 with all necessary drivers.
I can’t found any rom for it but now I can flash all the necessary files for boot they flashing and running smoothly but the mobile can’t boot up.
I try to use that app in your replay. It recognizes the device but stuck after that and keep looking for rom without any chance to download it.
I think I have a wrong rom files. I can’t find any other reason but this.
I will write again all information about my phone:
It is called Alcatel Flash Plus 2
I bought it from AliExpress and it came from Indonesia as I remember (not sure)
On battery wrote:
FL02
TCL communication Ltd
FL02-2HLCEU2
Click to expand...
Click to collapse
Yes, so many time
When device is booting, it stays in bootlogo or goes atleast to bootanimation?
I understand that you tried with Sugar tool with no lucky.
Did you try again through SP Flash tool? trying to flash in a first attempt only preloader file and in a second attempt the other files? (try with 2 or 3 versions and see the differences).
Is there some custom development, recovery, roms for your device?
I think that now you are flashing correct rom through fastboot but like you did before bad/wrong flashings your bootloader is refusing to boot to system. Flash through fastboot all the partitions that you can follow the syntax for every one of them by i.e. typing fastboot flash cache cache.img and so on one by one (some of them are unflashable through this method)

SubwayChamp said:
Yes, so many time
When device is booting, it stays in bootlogo or goes atleast to bootanimation?
Click to expand...
Click to collapse
Unfortunately, nothing happens. The screen is black no bootlogo appears or anything that shows that device is booting. It is looking like nothing has happened.
SubwayChamp said:
I understand that you tried with Sugar tool with no lucky.
Click to expand...
Click to collapse
Yes. After recognizing it keeps trying to download data but no luck.
SubwayChamp said:
Did you try again through SP Flash tool? trying to flash in a first attempt only preloader file and in a second attempt the other files? (try with 2 or 3 versions and see the differences).
Click to expand...
Click to collapse
I know it is disappointing!. I try this but no luck.
SubwayChamp said:
Is there some custom development, recovery, roms for your device?
Click to expand...
Click to collapse
Unfortunately no, all that I found are TWRP recovery Roms. I don’t know if I can use them with SPFLASH Tool.
SubwayChamp said:
I think that now you are flashing correct rom through fastboot but like you did before bad/wrong flashings your bootloader is refusing to boot to system. Flash through fastboot all the partitions that you can follow the syntax for every one of them by i.e. typing fastboot flash cache cache.img and so on one by one (some of them are unflashable through this method)
Click to expand...
Click to collapse
I began lose hope that the mobile could work again. I live in Sweden and no technicians kan help me to fix this issue. I should do it by myself.
If you kan help me to do that step by step. Please write to me what I have to do from the beginning step by step until I reach the end. To be sure I'm doing it by the right way.
Thanks

EFAYSAL said:
Unfortunately, nothing happens. The screen is black no bootlogo appears or anything that shows that device is booting. It is looking like nothing has happened.
Yes. After recognizing it keeps trying to download data but no luck.
I know it is disappointing!. I try this but no luck.
Unfortunately no, all that I found are TWRP recovery Roms. I don’t know if I can use them with SPFLASH Tool.
I began lose hope that the mobile could work again. I live in Sweden and no technicians kan help me to fix this issue. I should do it by myself.
If you kan help me to do that step by step. Please write to me what I have to do from the beginning step by step until I reach the end. To be sure I'm doing it by the right way.
Thanks
Click to expand...
Click to collapse
I´ll tell you some ideas with no any specific order that you can try or see if works.
Really very strange that display stays in black, you told me that flashing files through fastboot is working but doesn´t appear not even bootlogo, connect to pc as it is and see how pc recognices in devices manager and my pc if appears like a determined drive d/e/f so it looks that some bad flashing burn your kernel and this case is similar to when a Samsung device need to use jtag method to revive, if in your country no-one knows about Alcatel devices this could be a similar case to what I´m saying then it could be a clue for a technician. I tell you this cause many time ago when I flashed by error a Samsung s4 and only this method revived my device.
Try this, flash your stock recovery only through SPFlash tool and flash after through Alcatel Download tool your stock rom cause some firmwares need to detect stock recovery first to can flash other partitions.
At this stage don´t you have stock recovery, no? so you can try to format data cause sometimes when bootloader is altered then avoid to boot and formatting data can solve this.
If this recovery twrp is for your device you can try flashing through SPFlash tool, you have to put recovery.img and scatter-txt in a same folder. then if succesfull format data, system, wipe cache and dalvik and maybe later try to port some custom rom would be a way to solve this.
To flash any partition through fastboot this is the syntax, just follow one by one any of the files that are in your rom folder so just follow these, if some of then can´t be flashed don´t worry then it´s not flashable:
fastboot flash boot bot.img
fastboot flash cache cache.img
fastboot flash lk lk.bin
and so on till the end
...But after try this if you didn´t get boot to recovery and obviously you can´t delete data nor system then delete first the next partitions trough fastboot typing:
fastboot erase system
fastboot erase cache
fastboot erase userdata
fastboot erase boot
Try all this and let us see how it goes

I have flashed TWRP Rom but it is same , no luck.
On sugar tool I got this message after success flashing via SPFLASH tool.
I tried all possible buttons to connect device to PC on Fastboot mode but the PC cannot send data to my device.
To be in Fastboot mode , the device has to boot while pressing on (PWR & VOL+) but my device can’t boot.

EFAYSAL said:
I have flashed TWRP Rom but it is same , no luck.
On sugar tool I got this message after success flashing via SPFLASH tool.
View attachment 4518365
I tried all possible buttons to connect device to PC on Fastboot mode but the PC cannot send data to my device.
To be in Fastboot mode , the device has to boot while pressing on (PWR & VOL+) but my device can’t boot.
Click to expand...
Click to collapse
I see that Sugar tool detects your device like rooted and refuses to flash anything, compare imei number which is in the box, I hope that it couldn´t be changed.
Don´t tell me simply no luck, what it says in SPFlash tool when you tried to flash TWRP and I guess that you put scatter-txt and twrp renamed recovery.img simply in the same folder. Just to be clear, to can flash with this tool your device it has to be off not needed fastboot for this. (provide some screenie)
Other combination of keys to enter to fastboot to flash some partitions when something is missing is, try these three ways:
- Pressing only vol down and at same time connecting to charger (connect first one terminal of cable to your device and then to the charger)
- Pressing the three buttons till a menu appears (you must to release inmediately all)
- Pressing vol up + pwr till a menu appears (you must to release pwr button inmediately) then choose fastboot
In the post 4 I provided a link from Google Drive, in this zip there are 8 items;
- From the item 2 use this version of SP Flash tool, put the four files in a folder and flash them
- In the item 3 you will find some scripts for fastboot, maybe they´re working better and also you have here a subfolder with twrp image.
- And if you get sucessfully install twrp in the item 7 there is a backup with some files to restore from this recovery.
Try one by one and update the info, I hope that your motherboard is not damaged.

[Guide] How to unbrick redmi 9C by flashing with SP Tools without Auth file(Tested Working)

This is a last ditch effort to restore your phone to working order. This should only be used if your phone DOES NOT BOOT AT ALL or if you are unable to boot into FASTBOOT.
If you can boot into Fastboot mode then I would encourage you to flash using Mi Flash tool.
Original video credits: Om Bob Ombreker
Tools Needed:
MTK Bypass Tool
SP Flash Tools
Fastboot ROM ( Around 3GB Download)
PC and USB cable
Download files here:
Tested! Howto Unbrick Redmi 9C (angelica) without using auth account
This blog has move and will not be update again.For new update please open ▶▶
langithitam.wordpress.com
First you need to extract the MTK bypass tool which is crucial as it will allow us to flash without requiring Auth file. NOTE: you need to disable antivirus or it will delete file.
Your PHONE NEEDS TO BE OFF! There is no need to unplug battery from the phone, I tested it myself and as long as the phone is OFF it'll still work. If your phone cannot power down due to bootloop, then you must remove backcover and unplug battery or just wait till battery runs out.
Once you have started the MTK bypass tool, choose MTK6765 from option that says auto and this is only for Redmi 9C. Now press on the bypass button a ad it will wait for you to connect your phone via USB. DO NOT CONNECT YOUR PHONE PRIOR TO THIS. Hold only the VOLUME UP button when connecting the USB cable to your phone and ensure the phone is OFF. ONCE you connect the phone, it will immediately respond and show a log saying its completed (SEE SCREENSHOT BELOW).
Once this step is completed leave your phone connected as you will soon start the flashing process. Open up SP FLASH TOOLS and run as admin. You will need to load the scatter file which is included in the Fastboot ROM under images folder. Once you have the scatter file loaded, SP tools will proceed to load all image files which will be used to flash phone so be patient.
Ensure that DOWNLOAD ONLY option is chosen as format and download option will format your IMEI also. Once all files have been loaded then just press the DOOWNLOAD button and wait to complete. Once done you can power ON the phone and it should boot.

Very good guide.
Thank you very much

No problem hope it'll help a few guys out there sure helped me a lot

Thanks 100% it worked for me

Munemugo said:
Thanks 100% it worked for me
Click to expand...
Click to collapse
Cool glad I could help

I'm using a Redmi 9c I tried to unlock it but failed in the process. Later I get absolutely no response from the phone, I cant open fast boot or recovery. I tried connecting it to the pc but it shows the same exact problem you are facing. I tried all USB ports and switched cables back and forth but no success. I tried pressing volume up, down and all sorts of combinations, still no success. Any fix for this?

Cat8191 said:
I'm using a Redmi 9c I tried to unlock it but failed in the process. Later I get absolutely no response from the phone, I cant open fast boot or recovery. I tried connecting it to the pc but it shows the same exact problem you are facing. I tried all USB ports and switched cables back and forth but no success. I tried pressing volume up, down and all sorts of combinations, still no success. Any fix for this?
Click to expand...
Click to collapse
Follow the guide step by step, it should work and if doesn't then you should try disconnecting the battery

great guide on fixing a hard brick.

My compliments and thank you very much indeed to you for writing this very good and detailed guide. My Redmi 9c bootlooped after trying to install Lineage OS, of course no way to go to fastboot mode anymore (I'm a rather experienced custom ROM installer though). Although I asked for help in a separate thread, I got no answer for a couple of months now until I found this thread. I never gave up my Redmi 9C so I now followed you instructions and with success!! I will refer people to your thread of course. There is no doubt many can save their phone by reading you instructions.

JoostA said:
My compliments and thank you very much indeed to you for writing this very good and detailed guide. My Redmi 9c bootlooped after trying to install Lineage OS, of course no way to go to fastboot mode anymore (I'm a rather experienced custom ROM installer though). Although I asked for help in a separate thread, I got no answer for a couple of months now until I found this thread. I never gave up my Redmi 9C so I now followed you instructions and with success!! I will refer people to your thread of course. There is no doubt many can save their phone by reading you instructions.
Click to expand...
Click to collapse
Thanks my guy appreciate the appreciation. Glad I could help

Dawood99 said:
This is a last ditch effort to restore your phone to working order. This should only be used if your phone DOES NOT BOOT AT ALL or if you are unable to boot into FASTBOOT.
If you can boot into Fastboot mode then I would encourage you to flash using Mi Flash tool.
Original video credits: Om Bob Ombreker
Tools Needed:
MTK Bypass Tool
SP Flash Tools
Fastboot ROM ( Around 3GB Download)
PC and USB cable
Download files here:
Tested! Howto Unbrick Redmi 9C (angelica) without using auth account
This blog has move and will not be update again.For new update please open ▶▶
langithitam.wordpress.com
First you need to extract the MTK bypass tool which is crucial as it will allow us to flash without requiring Auth file. NOTE: you need to disable antivirus or it will delete file.
Your PHONE NEEDS TO BE OFF! There is no need to unplug battery from the phone, I tested it myself and as long as the phone is OFF it'll still work. If your phone cannot power down due to bootloop, then you must remove backcover and unplug battery or just wait till battery runs out.
Once you have started the MTK bypass tool, choose MTK6765 from option that says auto and this is only for Redmi 9C. Now press on the bypass button a ad it will wait for you to connect your phone via USB. DO NOT CONNECT YOUR PHONE PRIOR TO THIS. Hold only the VOLUME UP button when connecting the USB cable to your phone and ensure the phone is OFF. ONCE you connect the phone, it will immediately respond and show a log saying its completed (SEE SCREENSHOT BELOW).
Once this step is completed leave your phone connected as you will soon start the flashing process. Open up SP FLASH TOOLS and run as admin. You will need to load the scatter file which is included in the Fastboot ROM under images folder. Once you have the scatter file loaded, SP tools will proceed to load all image files which will be used to flash phone so be patient.
Ensure that DOWNLOAD ONLY option is chosen as format and download option will format your IMEI also. Once all files have been loaded then just press the DOOWNLOAD button and wait to complete. Once done you can power ON the phone and it should boot.
Click to expand...
Click to collapse
I can do this for a Redmi 9a?
Using the same download agent

Hello, i did it but i did the mistake to do a FORMAT AND DOWNLOAD.
No my phone juste diplsay the Redmi logo a few second then power off.
I'm still able to go on the Sp Flash Tools and flash again. Anyone could help me please ?

hello sir so i recently hard bricked my redmi 9c nfc by installing older MIUI version that it came with. It was just black screen all the time and nothing. Tried this guide, mtk bypass tool worked but on sp flash tools i am greeted with this message.

Everything is acting like expected according to the video, but wheb I have used the mediatek bypass tool with green OK and stuff and when i start to press download on the smart phone flash tool, it just stucks at 0. Nothing happens, except that everything is greyed out and is trying to load it. If i boot my phone myself with the brom it says hint:add a authentication file or ask for help. I cant manage to finish it.
The error in Mediatek bypass tool about handshaking error is probably because i did it several times, because i didnt manage to load smartphone flash tool as attached below
This is my last hope to recover my brandew phone. Thanks for the good tutorial, but it didt work out. If someone could save me then I would be grateful

erikmanner said:
Everything is acting like expected according to the video, but wheb I have used the mediatek bypass tool with green OK and stuff and when i start to press download on the smart phone flash tool, it just stucks at 0. Nothing happens, except that everything is greyed out and is trying to load it. If i boot my phone myself with the brom it says hint:add a authentication file or ask for help. I cant manage to finish it.
The error in Mediatek bypass tool about handshaking error is probably because i did it several times, because i didnt manage to load smartphone flash tool as attached below
This is my last hope to recover my brandew phone. Thanks for the good tutorial, but it didt work out. If someone could save me then I would be grateful
Click to expand...
Click to collapse
I had exactly the same issue, go into the me
Go into the options menu and go to connections, then select usb, then do the steps as is

Dawood99 said:
This is a last ditch effort to restore your phone to working order. This should only be used if your phone DOES NOT BOOT AT ALL or if you are unable to boot into FASTBOOT.
If you can boot into Fastboot mode then I would encourage you to flash using Mi Flash tool.
Original video credits: Om Bob Ombreker
Tools Needed:
MTK Bypass Tool
SP Flash Tools
Fastboot ROM ( Around 3GB Download)
PC and USB cable
Download files here:
Tested! Howto Unbrick Redmi 9C (angelica) without using auth account
This blog has move and will not be update again.For new update please open ▶▶
langithitam.wordpress.com
First you need to extract the MTK bypass tool which is crucial as it will allow us to flash without requiring Auth file. NOTE: you need to disable antivirus or it will delete file.
Your PHONE NEEDS TO BE OFF! There is no need to unplug battery from the phone, I tested it myself and as long as the phone is OFF it'll still work. If your phone cannot power down due to bootloop, then you must remove backcover and unplug battery or just wait till battery runs out.
Once you have started the MTK bypass tool, choose MTK6765 from option that says auto and this is only for Redmi 9C. Now press on the bypass button a ad it will wait for you to connect your phone via USB. DO NOT CONNECT YOUR PHONE PRIOR TO THIS. Hold only the VOLUME UP button when connecting the USB cable to your phone and ensure the phone is OFF. ONCE you connect the phone, it will immediately respond and show a log saying its completed (SEE SCREENSHOT BELOW).
Once this step is completed leave your phone connected as you will soon start the flashing process. Open up SP FLASH TOOLS and run as admin. You will need to load the scatter file which is included in the Fastboot ROM under images folder. Once you have the scatter file loaded, SP tools will proceed to load all image files which will be used to flash phone so be patient.
Ensure that DOWNLOAD ONLY option is chosen as format and download option will format your IMEI also. Once all files have been loaded then just press the DOOWNLOAD button and wait to complete. Once done you can power ON the phone and it should boot.
Click to expand...
Click to collapse
I cannot thank you enough, thank you for putting this here
Works with some tweaks but got it running

Thank You soooo much for this tutorial, it worked for me and saved me alot of trouble.
i want to ask one thing: can this method be used on a locked bootloader?

Mr.PotatoChips said:
Thank You soooo much for this tutorial, it worked for me and saved me alot of trouble.
i want to ask one thing: can this method be used on a locked bootloader?
Click to expand...
Click to collapse
yes

I need help, after I used the Bypass MTK, my phone became unrecognizable by windows. It says Unknown USB Device.

bbboy4life said:
I need help, after I used the Bypass MTK, my phone became unrecognizable by windows. It says Unknown USB Device.
Click to expand...
Click to collapse
Install usb dk drivers 32bit or 64bit, install usb win32 tool

Better Mobile App

welcome