How to install custom ROM without recovery mode - SGP321 (pollux) - Xperia Tablet Z Q&A, Help & Troubleshooting

Hi
Xperia Tablet Z LTE version
Android version : 5.1.1 / kernel version : 3.4.0-perf-gbccb33a / Platform : 32bits / Build number : 10.7.A.0.228
I've still have stock firmware so I don't have option to boot to recovery mode. I've installed flashtool, bootloader is unlocked, device is rooted with kingrot. I've tried to install TWRP with offical app but without success I've tried to install TWRP manually, but also without success.
C:\Users\szm>adb root
restarting adbd as root
C:\Users\szm>adb wait-for-device
C:\Users\szm>adb push C:\twrp\twrp-3.0.2-0-pollux.img /tmp/twrp.img
failed to copy 'C:\twrp\twrp-3.0.2-0-pollux.img' to '/tmp/twrp.img': Permission denied
C:\Users\szm>adb push C:\twrp\twrp-3.0.2-0-pollux.img /tmp/twrp.img
failed to copy 'C:\twrp\twrp-3.0.2-0-pollux.img' to '/tmp/twrp.img': Permission denied
Click to expand...
Click to collapse
I don't know what do do next. I don't want do do something stupid and brick device. I want to install custom rom from here:
https://forum.xda-developers.com/xp...pment/rom-resurrection-remix-n-6-0-0-t3748092
I'm thinking about flashing kernel with TWRP but don't know where to find correct one, old topics are with old firmware . Any advice?
EDITED:
I wasn't understanding the instructions. Firmware kernel doesn't block the TWRP. If someone has similiar problem to mine with TWRP. Just follow steps from this topic:
https://forum.xda-developers.com/xp...de-tutorial-sony-xperia-tablet-z-lte-t3392831
Solution works with different roms and versions of TWRP. TWRP for me booted after installation so there was no need to use buttons. I'm now happy user of android 8.1 on Xperia tablet Z. Thread can be deleted or closed now.

Related

[STOCK][D58XX][5.0.2] Firmware 23.1.A.0.690 Generic [ROOT/XZDR/SuperSU]

Required:
- Flashtool in the latest version from: http://flashtool.net
- DualRecovery by NUT as installer.zip: http://nut.xperia-files.com (Download the correct one for your device and at least version 2.8.1+! And only if you have no working recovery on your device. )
- Full Root on 23.0.A.2.93 (Download) for example with this method: http://forum.xda-developers.com/crossdevice-dev/sony/giefroot-rooting-tool-cve-2014-4322-t3011598 / 23.0.1.A.5.77
Featurelist:
- SuperSU integrated (2.46)
- DualRecovery by NUT integrated (2.8.3) - Currently not working on Android 5.X!
- Fixed RW (/system) - Thanks to javierdsv
Can be used on locked and unlocked bootloader.
Be careful with encrypted devices. It may cause a softbrick on updating- process and afterwards.
Firmware Files:
D5803 (other Versions will be released asap!)
- Flashable.zip's and FTF files in folders - sorted by devices
(Tanks to javierdsv for sharing the "fixed rw flashable.zip"!)
The Flashable.zip i've created with the mighty tool PRFCreator by zxz0O0.
Installation/Update (short) guide:
0. Downgrade to the firmware 23.0.A.2.93 and root it (with giefroot) (only if you have no root!=
0.1. Install the LockedDualRecovery by NUT with the installer.zip (install.bat)
1. Put the downloaded update file (ROM.zip) on your device. I recommend you to put it directly on the device.
2. Boot into the recovery (While rebooting -> when the info LED flashs -> press shortly the VOL button for the Recovery you prefer)
(On Recovery you may create a twrp/cwm backup of your device if you get any issues on updating process!)
3. Flash the ROM update file (.zip) with "install zip".
4. Wipe cache and dalvik cache (perhaps under advanced).
5. Reboot to system.
You may have to wait some minutes on the first boot because of initializing system for first time (optimizing apps etc.).
What to do if you get permission errors? (While installing for example the Recovery)
Untill NUT updates his DualRecovery you should fix permissions with ADB with the following commands:
(tested with command line from the giefroot_V...\files\ directory -> shift + right mouse -> open cmd "here")
Either you could try the modified DualRecovery (installer) by NUT (modified by monx): http://d-h.st/iM9p
Code:
adb push systemrw.sh /data/local/tmp
adb push modulecrcpatch /data/local/tmp
adb push wp_mod.ko /data/local/tmp
adb shell
chmod 777 /data/local/tmp/systemrw.sh
chmod 777 /data/local/tmp/modulecrcpatch
chmod 777 /data/local/tmp/wp_mod.ko
su
cd /data/local/tmp
./systemrw.sh
Special Thanks to:
[NUT] (DualRecovery and his efforts!)
zxz0O0 (giefroot rooting tool, PRFCreator and his efforts!)
Chainfire (for amazing SuperSU)
XDA: DevDB Information
[STOCK][D58XX][5.0.2] Firmware 23.1.A.0.690 Generic [ROOT/XZDR/SuperSU], Stock Firmware Xperia Z3 Compact
Contributors
meetdaleet
ROM OS Version: 5.0.2 Lollipop
ROM Firmware Required: Stock - 23.0.A.2.93/23.0.1.A.5.77
Version Information
Status: Stable
Release Date: 2015-03-16
Created 2015-03-16
Thanks!!! A question. Is it working Mount R/W; R/O?
Thanks!
PherChe said:
Thanks!!! A question. Is it working Mount R/W; R/O?
Thanks!
Click to expand...
Click to collapse
R/O
sototallycarl said:
R/O
Click to expand...
Click to collapse
Just need to flash a zip, i dont need flash other files with Flashtools like .93 to .77 and to hold root access? Did tu flash it? what about blotware?
thanks thanks,
Yeah, I just flashed the zip. No other steps. I have root but cannot write to /system. I see no additional bloatware. Any disabled/frozen apps I did in 4.4.4 remained that way.
Could I just install the flash.zip from rooted .77?
Does anybody try this way?
Can i flesh the zip on my d5833
is android l worthwhile if i lose xzdualrecovery?
sototallycarl said:
Yeah, I just flashed the zip. No other steps. I have root but cannot write to /system. I see no additional bloatware. Any disabled/frozen apps I did in 4.4.4 remained that way.
Click to expand...
Click to collapse
Did you try the steps for "What to do if you get permission errors? "
i making a own flash.zip i will see.
meetdaleet said:
Required:
- Flashtool in the latest version from: http://flashtool.net
- DualRecovery by NUT as installer.zip: http://nut.xperia-files.com (Download the correct one for your device and at least version 2.8.1+! And only if you have no working recovery on your device. )
- Full Root on 23.0.A.2.93 (Download) for example with this method: http://forum.xda-developers.com/crossdevice-dev/sony/giefroot-rooting-tool-cve-2014-4322-t3011598 / 23.0.1.A.5.77
Featurelist:
- SuperSU integrated (2.46)
- DualRecovery by NUT integrated (2.8.3) - Currently not working on Android 5.X!
Can be used on locked and unlocked bootloader.
Click to expand...
Click to collapse
Im currently on 4.4.4 unlokced bootloader with drm fix. Going to lock it up and restore TA just for this. Im on a custom kernel right now, will this flash a new kernel, propably yes? So i dont have to worry
PherChe said:
Did you try the steps for "What to do if you get permission errors? "
i making a own flash.zip i will see.
Click to expand...
Click to collapse
Should have mentioned I did not. Didn't have a cable handy.
Okay, so right now I'm running the Sony Xperia 4.4.4 ROM with unlocked bootloader and ROOT. But I'm using a custom kernel. Can I apply this update, keep root, and not even wipe data??
bofis said:
Okay, so right now I'm running the Sony Xperia 4.4.4 ROM with unlocked bootloader and ROOT. But I'm using a custom kernel. Can I apply this update, keep root, and not even wipe data??
Click to expand...
Click to collapse
from what i understand you need to restore ta partition and lock up bootloader before updating to stock loli. but you can keep root with the method in the first post
So, just flash the ZIP? Does it overwrite current installed apps? No need to flash kernel and everything else from an ftf file?
How to keep root?
I'm currently on 23.0.1.A.5.77 rooted with no custom recovery installed
Can someone explain me in a simplest way how to upgrage do Lollipop and keep roooted?
Locked bootloader
lamale78 said:
I'm currently on 23.0.1.A.5.77 rooted with no custom recovery installed
Can someone explain me in a simplest way how to upgrage do Lollipop and keep roooted?
Locked bootloader
Click to expand...
Click to collapse
I think you could try to install NUT recovery using the installer for Windows (you have root, so adb commands should work), then flashing this firmware over the one you're using.
Hi guys, thanks for all your posts, I currently have kk version 5.77, pre rooted and dual recovery working, I would like to try this lollipop release pre rooted, I am aware of the inability to use dual recovery, however I will still try it if there is a way to revert back to the release compatible with giefroot, anyone that could help me with this, it will be highly appreciated.
unable to install/boot into recovery
Jac0verflow said:
I think you could try to install NUT recovery using the installer for Windows (you have root, so adb commands should work), then flashing this firmware over the one you're using.
Click to expand...
Click to collapse
I'm trying to install/boot into recovery and nothing works
Downloaded already latest release od xNUT dual recovery installer zip. file , ADB seems to install everyhing, at the end appears: "enjoy recoveries" and that is all,
boots normally as phone always boots. No volume up and down combination works
What I do wrong?
wait for new rec that can work on 5.0
Sent from my D5833
But I have now 4.4

How do the root on Xperia Tablet Z2 (SGP521) with Android 6.0.1?

Hi.
I have a Xperia Tablet Z2 (SGP521) with Android 6.0.1 (build 23.5.A.0.570) without root, and I would like to make the root, how can I do?
Thanks in advance.
I'm sorry for my english.
Only way is:
- come back to original rom 4.4.2, using Flashtool http://www.flashtool.net/index.php
- root using Flashtool,
- flash TWRP http://nut.xperia-files.com/path/XZDualRecovery/Older_Releases/XZDualRecovery_2.8.21
- flash a prerooted rom using TWRP 2.8.21, http://forum.xda-developers.com/xperia-z2-tablet/general/prerooted-zip-vmo-ru-ua-kz-t3362729
- flash TWRP 3.0 can download from here http://forum.xda-developers.com/z3/general/wip-sony-android-6-0-mm-t3337357 Recroot combined v 4
To go on recovery, at the vibration when you turn on your device, push volume down button and recovery will start
I made it all working fine
lorisino said:
Only way is:
- come back to original rom 4.4.2, using Flashtool http://www.flashtool.net/index.php
- root using Flashtool,
- flash TWRP http://nut.xperia-files.com/path/XZDualRecovery/Older_Releases/XZDualRecovery_2.8.21
- flash a prerooted rom using TWRP 2.8.21, http://forum.xda-developers.com/xperia-z2-tablet/general/prerooted-zip-vmo-ru-ua-kz-t3362729
- flash TWRP 3.0 can download from here http://forum.xda-developers.com/z3/general/wip-sony-android-6-0-mm-t3337357 Recroot combined v 4
To go on recovery, at the vibration when you turn on your device, push volume down button and recovery will start
I made it all working fine
Click to expand...
Click to collapse
Hello,
why i need something "flash" after rooting? i dont understand what is the "flash" do?
Paja LT said:
Hello,
why i need something "flash" after rooting? i dont understand what is the "flash" do?
Click to expand...
Click to collapse
"Flash" means installing something to the internal memory.
You need to go back to a "rootable" version and after having your terminal rooted you can flash the latest rooted ROM.
Following the instructions on this thread https://forum.xda-developers.com/xp...lipopprerooted231a128z2-tabletsgp511-t3100821 I suggest you:
Flash the Lollipop 23.1.A.1.28 firmware with Flashtool;
Unlock the bootloader (not sure it is strictly needed but better avoid potential issues) with Flashtool (use the Sony website to get the unlock code as the automatic retrieval of Flashtool did not work for me);
Root using the script mentioned in the thread;
Flash the custom recovery;
Flash the rooted 6.0.1 ROM.
maxlnc said:
"Flash" means installing something to the internal memory.
You need to go back to a "rootable" version and after having your terminal rooted you can flash the latest rooted ROM.
Following the instructions on this thread https://forum.xda-developers.com/xp...lipopprerooted231a128z2-tabletsgp511-t3100821 I suggest you:
Flash the Lollipop 23.1.A.1.28 firmware with Flashtool;
Unlock the bootloader (not sure it is strictly needed but better avoid potential issues) with Flashtool (use the Sony website to get the unlock code as the automatic retrieval of Flashtool did not work for me);
Root using the script mentioned in the thread;
Flash the custom recovery;
Flash the rooted 6.0.1 ROM.
Click to expand...
Click to collapse
Thank you for the reply, as i understant the devise will work fine without any flashing? "Flash" means something installing in internal memory, but I do not understand why should I do it ?
please help me to root devise.
flashTool writing: "ERROR Illegal key size or default parameters."
That can i do?
Andriusss said:
please help me to root devise.
flashTool writing: "ERROR Illegal key size or default parameters."
That can i do?
Click to expand...
Click to collapse
You cant make the root with the flashtool! Copy the SuperSu (download newest zip) on your tablet (anywhere) and proceed with this: "TabZ2-lockeddualrecovery2.8.21-RELEASE.installer" you already downloaded from the tutorial. when you launch the "install.bat", the tablet will be rooted and twrp installed it auto-boot into twrp and now you can isntall your copied supersu zip then you can proceed with the tutorial
Got it fixed. In my first CWM Backup from the Dualrecovery Package (installer) was a working boot.img All fine now!

How to Root SGP321 with Android 5.1.1

Hey I have a
SGP321 with:
Android version : 5.1.1 / kernel version : 3.4.0-perf-gbccb33a / Build number : 10.7.A.0.228
I cannot comprehend how to root it.
I managed to unlock bootloader, using FlashTool, and a code from Sony's developer page.
I want to install this rom:
Resurrection Remix M for Xperia Tablet Z (Wi-Fi/LTE)
It seems like rooting is failing due to the Android 5.1.1 .. Then where can I get the 4.4.2 firmware ?
I'm from Norway, and the device isn't locked to any carrier.
Deimos87 said:
Hey I have a
SGP321 with:
Android version : 5.1.1 / kernel version : 3.4.0-perf-gbccb33a / Build number : 10.7.A.0.228
I cannot comprehend how to root it.
I managed to unlock bootloader, using FlashTool, and a code from Sony's developer page.
I want to install this rom:
Resurrection Remix M for Xperia Tablet Z (Wi-Fi/LTE)
It seems like rooting is failing due to the Android 5.1.1 .. Then where can I get the 4.4.2 firmware ?
I'm from Norway, and the device isn't locked to any carrier.
Click to expand...
Click to collapse
To flash RR 5.7.4 you need to have a Recovery.
To root:
Download kingroot apk from below link and install it. Follow the steps in that app and your device will be rooted.
https://king-root.net/wp-content/KingrootV4.9.6.apk
To flash recovery:
Select: TabZ-lockeddualrecovery2.8.26-RELEASE.combined.zip from the link below. And follow the Read Me.txt to install recovery.
http://nut.xperia-files.com/path/XZDualRecovery/XZDualRecovery_2.8.26
TAKE A BACKUP OF YOUR DATA BEFORE YOU START TO DO ALL THESE.
I JUST HELP AND TAKE NO RESPONSIBILITY TO WHATEVER HAPPENS TO YOUR DEVICE.
All the best
@Deimos87
@Alok Bajaj
It's actually much much easier/faster to flash RR boot.img straghtforward (Flashtool -> Fastboot -> Select Kernel to Flash) and install .zip afterwards via built in recovery.
Cause NUT's recovery is kinda dated now, and is not meant to install custom ROMs, though it can do it on pollux, but very often is unable on pollux_windy.
I'm going to download and try.
I managed to brick the tablet into a continuous boot and reboot. But I am lucky enough to get it into flashmode...
I tried flashing some other original ROM, but it was for Vodafone in UK. I tried to recover it with the official Sony program (Essentials?), but it said that my device was rooted. But I guess its because I have unlocked the bootloader. I have also requested to be able to use Sony Emma/Embla or something for flashing.
I was trying to get to Android 4.4.2 or 4.4.4 to be able to root. Its so much software out there. It's like getting into a new territory of learning.
I managed to do something....
What I have done before was to open the bootlocker. If it did matter... Using newest flashtool.
I got an Spanish FTF Rom file from the Flashtool Site, SGP321_10.1.1.A.1.307_Customized_ES.ftf. Flashed it somehow using a elderly flashtool (0.9.18.6), could probably work on a newer one but God's will and such.
I then downloaded DooMLoRD_Easy-Rooting-Toolkit_v17_perf-event-exploit. And installed SuperSU or something. Settings: USB Debug and allow unsigned/foreign APK's.
There is a gap in my memory here (maybe I started TabZ-lockeddualrecovery2.8.26-RELEASE.combined).
My tablet booted into a recovery mode after doing something on my PC with the tablet powered in normal system (USB debug), and I now have managed to select my desired, ROM, and Gapps (No clue what it is yet) and a kernel that they recommended.
Now its currently Optimizing my apps (Preinstalled I guess). 106 apps.
Update1:
Popup "Unfortunately, Setup Wizard has stopped". I did see some google stuff also do the same
I am trying to factory reset with wipe.
There was now a different recovery menu.. Hmm. I had to disconnect the battery to get out of the menu. ( I have opened the tablet beforehand).
Maybe its that GAPS stuff that didn't install...
If this fails again I will try and install gaps again inside recovery.
Deimos87 said:
Popup "Unfortunately, Setup Wizard has stopped". I did see some google stuff also do the same
I am trying to factory reset with wipe.
Click to expand...
Click to collapse
you need to install gaps right after ROM install, or you'll will have setup wizard error.
I managed to install Ressurection M.
It was very painfull, I had many tries over the course of 3 days.
I flashed a older spanish 4.4.2 (i think) firmware.
Then I rootet it using kingroot I think.
Then I installed TWRP.
Since the Sony tablet doesn't boot into recovery with keypresses I had to boot into recovery in software.
I then wiped about everything, I formated System partition also. Because If I do not the old applications will follow into the new ROM.
I then flashed Resurection M, and GAPPS on the same time. I do not remember If I also flashed the Kernel also now or after.
I think I concluded with that the Kernel had to be flashed at the same time.
If I did something wrong I just flashed the old spanish firmware over again and redo. I actually liked the old firmware due to it was much nicer user interface. The new one on Android 6 is kind of hard to manage. But I get more screenspace now.

[ROM][7.0]Complete roms for Maze Alpha 4GB based on official V09

Here is the last version at the moment of the Maze alpha ROM (tested only in 4GB version)
It's a complete ROM, not an OTA update, it can be flashed using the provided TWRP 3.2.1 version, I ported from a Jemmini (many thanks) version for Bluboo S1.
Unfortunately, the TWRP cannot be flashed (issue with the touch panel), only launched by fastboot.
The ROM is the same as the v8 official one except that it is rooted using Magisk 15.2 and busybox 1.27.2 (thanks to osm0sis) is installed in /system/xbin
There is also a SPFlashTool clean version of this ROM, useful in case of troubles (as official: no root, no busybox)
1- Reboot you phone in fastboot mode : adb reboot bootloader
2- Flash the provided TWRP : fastboot flash recovery recovery_maze_alpha_4G_twrp-321.img
3- Reboot to TWRP recovery
4- copy in your SDCARD and install, in the running TWRP, the downloaded ROM V09 : Maze_Alpha_4GB_v09_TWRP.zip
The first boot take some minutes so be patient.
Here the SPFlashTool versions :
MAZE_Alpha_4GB_V09_SPFT.zip
Here, if needed, my V09 TWRP backup (new one from 21/04/2018) :
TWRP_BACKUP_MAZE_Alpha_A_V09.zip
Credits to Jemmini and Magisk team.
Can you make this for the 6 gb version?
many thanks gonna ty it soon
Nautilus99 said:
Can you make this for the 6 gb version?
Click to expand...
Click to collapse
I do not have the 6GB version
If I can download a stock ROM and a recent OTA update, I will do that.
Maze do not help us unfortunately
No complete stock ROM, No kernel source nothing !!!!!!!!!!
dreambo said:
I do note have the 6GB version
If I can download a stock ROM and a recent OTA update, I will do that.
Maze do not help us unfortunately
No complete stock ROM, No kernel source nothing !!!!!!!!!!
Click to expand...
Click to collapse
Yes i know its sad, i did a backup of mine and root it but it didnt work the backup i had to do clean flash, if we can manage to have a twrp and a source of the stock roms we could make a deabloat and put update apps ( menssages, calendar etc) and put mods for awsome features i dont see RR or lineage putting thier hands on this phone
Thanks for this Rom.
Is there any root for the maze alpha x?
here
WiddleyScudds said:
Is there any root for the maze alpha x?
Click to expand...
Click to collapse
read
The ROM is the same as the v8 official one except that it is rooted using Magisk 15.2 and busybox 1.27.2 (thanks to osm0sis) is installed in /system/xbin
Click to expand...
Click to collapse
thorfr said:
read
Click to expand...
Click to collapse
I have an alpha x, not alpha.
Thanks for ROM
When I install this ROM, from TWRP, i need install anything for root (Supersu)? Or when I install this ROM, I have root?
rzoli71 said:
Thanks for ROM
When I install this ROM, from TWRP, i need install anything for root (Supersu)? Or when I install this ROM, I have root?
Click to expand...
Click to collapse
No it is already rooted.
Reboot your phone to android, and then install MagsikManager.apk
I am editing my post to give you a 100% working TWRP 3.2.1 for our beloved Maze Alpha 4G :victory:
thank you
After I installed this rom, and freezed the hot knot, baidu_location FM Radio, etc, the BT connection did not break.
dreambo said:
No it is already rooted.
Reboot your phone to android, and then install MagsikManager.apk
I am editing my post to give you a 100% working TWRP 3.2.1 for our beloved Maze Alpha 4G :victory:
Click to expand...
Click to collapse
Hi dreambo,
do You know if there's a stock rom for download from maze alpha x? I think it's important for normal users and developers to get one. For normal users it's important to have an option to reinstall stock version and for developers I think it's the source for custom roms (e.g. Lineage Os).
If You know a source, can You please give us a link?
ahorntaler said:
Hi dreambo,
do You know if there's a stock rom for download from maze alpha x? I think it's important for normal users and developers to get one. For normal users it's important to have an option to reinstall stock version and for developers I think it's the source for custom roms (e.g. Lineage Os).
If You know a source, can You please give us a link?
Click to expand...
Click to collapse
No I not have any source, I am just a simple user like any other.
If I have any source or if I can make a ROM for MAZE Alpha X, I will do it and I will share it with every body, as I do until now for the MAZE Alpha 4/64
Hi
Sorry for stupid question, but is flashing with SP Flashtool an option to get root without wiping all data (unlike all other methods involving bootloader unlocking)?
iBolitN said:
Hi
Sorry for stupid question, but is flashing with SP Flashtool an option to get root without wiping all data (unlike all other methods involving bootloader unlocking)?
Click to expand...
Click to collapse
Unfortunatly no. As you will see repeated times in the forum, people have issue with phone not booting after changing from stock recovery to twrp. This is do (most likely from) to verified boot setting. And by unlocking bootloader we can bypass verified boot. So without unlock you might get a successfull load into twrp, but android will not boot.
Hello to all and please help if you can.
After unlocking the bootloader and flash the rom I'v got orange state with bootloop. Then after trying to fix it (wrong way) and relock bootloader and got red state with bootloop. I read that flahing back to stock fix the problem but I have no success with the rom provided in this post, the v5 from maze, the latest flash tool and the maze alpha flash tool... in all cases I get DA error(maze flash tool) or DA MISHMATCH (sp flash tool). I also tried different pc and cable with no result and finaly can't get fastboot. If that helps I've got the same flash tool error before the procedure. Every help will be appreciated.
stargazer78 said:
Hello to all and please help if you can.
After unlocking the bootloader and flash the rom I'v got orange state with bootloop. Then after trying to fix it (wrong way) and relock bootloader and got red state with bootloop. I read that flahing back to stock fix the problem but I have no success with the rom provided in this post, the v5 from maze, the latest flash tool and the maze alpha flash tool... in all cases I get DA error(maze flash tool) or DA MISHMATCH (sp flash tool). I also tried different pc and cable with no result and finaly can't get fastboot. If that helps I've got the same flash tool error before the procedure. Every help will be appreciated.
Click to expand...
Click to collapse
First unlock again your bootloader and use fastboot to flash boot, recovery and system partitions:
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img.
Those partition images can be found in the ROM for SPFlashTool I have provide.
After that you can boot android normally.
If you any TWRP backup, you can restore it after flashing the TWRP.
Thanks a lot for your reply....
the problem is that i cant boot into fastboot to unlock bootloader....
the phone bootloops all the time, shows the red state alert and even with vol+ pressed the menu to choose recovery or fastboot doesn't apear... thanks again.
dreambo said:
First unlock again your bootloader and use fastboot to flash boot, recovery and system partitions:
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img.
Those partition images can be found in the ROM for SPFlashTool I have provide.
After that you can boot android normally.
If you any TWRP backup, you can restore it after flashing the TWRP.
Click to expand...
Click to collapse
Is there any way to unlock the bootloader in my situation or/and enter the fastboot mode in order to follow your steps... thanks.

Unlock bootloader.Lineage OS install

Hi,
My device is SM-G531F(SAMSUNG GALAXY GRAND PRIME)
Since this device is running on Android 5.1.1 Lollipop version,I wanted to upgrade it to atleast to Android Marshmallow.
For that,i wanted to install lineageos13 or above if available for my device.
Device is rooted,verified by root checker app.TWRP is installed.
But i couldnt figure out how to unlock bootloader for samsung.ADB command will not work.because when i type adb reboot bootloader, device will restart normally.I only know how to enter download mode or recovery mode.Is there any free working tool which can unlock bootloader?.If so,plz sent zip file here.i dont wish to be redirected to other websites because they look dangerous.
Is there any bootloader unlock file which i can flash on my phone(sm-g531f) by using Odin?
Otherwise let me know if i can flash similar device but different model firmware.for example,can i flash SM-G530H for SM-G531F device?so that i can unlock bootloader by flashing cf-autoroot file.
Or can i flash LineageOS13 without unlocking bootloader?
Or can I flash Android 6 0r or above firmware which is somewhat similar to SM-g531f.
Thanks in advance for all efforts made to answer the above questions.
@KhaledMAQ
Test whether phone's boot-loader can get unlocked
Code:
adb devices
adb shell "getprop ro.oem_unlock_supported"
If value returned is 1 then it's possible, otherwise not.
Guys!No need to unlock bootloader or root
I was fed up of unlocking bootloader.Therefore I went into download mode and installed TWRP.Then after moving the zip files (lineageos13 and GApps) to device storage,I went into Twrp recovery mode and wiped system,data,cache,dalvik and then installed LineageOS13 and Gapps file.Thanks to Nemirtingas. Link: https://forum.xda-developers.com/grand-prime/development/lineageos-13-0-grand-prime-velte-t3874411 . But the his Gapps file wasnt working so i downloaded it from official site.
Well,it worked on my Samsung device SM-G531F(GALAXY GRAND PRIME VE) .I was happy to get Android 6.1.1 version on my device which was actually 5.1.1 before.
Thanks for the files that were posted on xda forums.

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