[Q] Carbon rom, unable to scan wifi and screen lock - Xperia Z2 Q&A, Help & Troubleshooting

Hi guys,
I just flashed Carbon rom on my Z2. When it booted there was no problem, but after the screen went on standby i noticed my touchscreen wasn't working. I played with it for a while and it happens a lot. Sometimes i'm able to unlock the screen 3 times and sometimes the phone immediately disables the touchscreen. The only way i found to fix the touchscreen is to softreset by holding the red button. Is there any solution for this?
Also i'm unable to scan for wifi networks. I'm only allowed to go into the advanced settings but nothing more. When i slide the ON button for wifi, it gets stuck and i'm not able to slide it to off again.
I used the CARBON-KK-NIGHTLY-20141103-1906-sirius rom to flash my device. I'm sure i'll encounter much more problems.. but i can't play with it until i figure out how to enable to touchscreen hehe.
Thanks!
Edit: Also i'm unable to setup my mobile network, it gives an error when i click the search network button. When i enter all my APN information and press save it doesn't save and boots me back into the empty APN menu.
Edit2: So i decided to open up NDR Utils, gave me an error and now i'm unable to boot in recovery mode... It does vibrate and turn on a green led when holding the volume button.. but just boots into carbon. I was able to get into recovery mode using the carbon restart option.
Edit 3: If everything fails, am i able to just reflash the 314 stock rom with flashtool and use a different custom rom after?
Edit 4: I just wiped everything and installed a stable CM11 rom. I'm still not able to setup any wifi connection... did i break it?
Edit 5: It was the CM rom. I installed exitenz and everything works properly. I don't know what i did wrong, i followed a guide every time i installed both carbon and CM11, but no luck. If you install on Z2, keep in mind this might happen. Recovery was quite easy tho, even for a noob like me.
This topic can be closed.

Related

[Q] Crazy phone behaviour after flashing..

Hi guys, I've installed many CFW without problem, until I installed the latest PACMan build. I didn't like it so I reflashed the Hasa v6, that i've been using for a while, and the phone just got kind of "crazy". I tried to wipe/format/wipe delvik, flash another rom via recovery, flash the stock FW with flashtool, still the problem continue.. I'll try t make a short list of the problems:
- Lockscreen usually hangs the phone, screen goes all black and playing with the power, after a while, it goes back sometimes
- Some force-closes (mainly the system process)
- Sometimes I can't boot to CWM, the "back" and "option" touch-buttons keep lit, and that's it, sometimes I can
- Also the battery status doesn't seem to be working properly, I charge it and it never pass the 30% mark, or get stuck on a number beforr it
How can I do a "brute-force" wipe, or something like that to restore my phone to it's normal state? These issues are driving me mad, and I can't see a solution..
Thank you very much!
The device is a Sk17i Mini Pro
Try flashing a kernel like LuPuS v3 or MESA Hybrid v3.7 via Fastboot and then flash the latest ROM that was working flawlessly.
Thanks, I tried with mesa and Lupus and after that, the same issues seem to occur..
Adding problems:
- I started having the "build prop" error, always when I flash CM-based roms, and I never had this issue before these problems (I do the workaround to install them by editing them with notepad++ and removing first lines..)
- The phone, once in a while, stay with the back and menu buttons lit for ages..
- The phone doens't turn off completely (menu and back and the screen stay lit, the screen is black, but it's ON), the only way to truly turn off is removing the battery..
- When I choose "power off" from the bootloader, the same issue occurs, the screen stay lit in black and phone doesn't turn off..
Please help.. I just don't know what is happening and it is so frustrating.

[Q] Lenovo A830 Boot Loop No Recovery

I have a problem with one of my Lenovo A830 phones.
I bought it from Etotalk, so it came rooted, and with their custom version of the Lenovo Stock ROM and their custom version of CWM 5.5 installed.
I tried formatting my SD card and then doing a factory data reset from within the operating system. (I was intending to install MIUI V5 after rebooting into recovery).
However, on rebooting, the device is now caught in an infinite boot loop, and I am not able to boot into recovery mode (by holding down power and both volume keys). It loads the initial splash screen, then shows a few seconds of the Android character and some whirring cogs before rebooting.
I am able to boot into Factory mode (power and volume up) or Meta mode (power and volume down). Factory mode has a number of options, but they are all in Chinese characters, which I am unfortunately not able to read.
I did notice that my SD card seemed to be write protected when I tried to format it in my computer and to copy on the new ROM - I solved this by putting it in a different phone and reformatting it. I wonder whether the factory reset process has write protected something it shouldn't have?
Does anyone know how I might best proceed? I've been digging around on the forums, and tried a few things, but there's nothing which seems to provide a coherent solution for this problem.
I've got the latest Android SDK Tools, MTK Droid Tools 2.4.8, SP Flash Tool 3.1312, some additional ADB drivers (120827 v3.7) that I'm not sure how to install, the latest MIUI V5 ROM (3.8.16), and the latest stock Lenovo ROM (S118 from Need A ROM, just in case I need it).
Maybe different SP Flash Tools version?
I had trouble using SP Flash Tools v3.1312 with A830. Once I switched to v3.1304.0.119 I was able to flash both the original ROM and the custom MIUI one without serious issues. I'm unable to post the download link but google it.
One other thing is that when connecting the phone, it usually loads the something something Preloader driver, which is no good (even if it gives you Download OK). When attempting to flash either ROM, try pressing both the power and volume up buttons while connecting the phone (after pressing Download), only way it worked for me.
Good luck!
I managed to sort this out quite simply in the end!
On the Lenovo A830 (and presumably other Lenovo Android phones?), you enter recovery by pressing power and then pressing volume up / down together after a short pause. The short 1 - 2 second pause is important, because if you try and press them at the same time or in quick succession it doesn't seem to work.
I then installed MIUI V5 from the SD card followed by Google Apps after a reboot. In order to get MIUI to install, I had to remove the assert check at the top of the update script, because this seems to erroneously check for the A820 (even though there isn't currently a port for this device?). It's working excellently with two exceptions - I am unable to select the SD card as a storage device, and Google Play store is not searchable (it causes a Force Close).
tominglis said:
I managed to sort this out quite simply in the end!
On the Lenovo A830 (and presumably other Lenovo Android phones?), you enter recovery by pressing power and then pressing volume up / down together after a short pause. The short 1 - 2 second pause is important, because if you try and press them at the same time or in quick succession it doesn't seem to work.
I then installed MIUI V5 from the SD card followed by Google Apps after a reboot. In order to get MIUI to install, I had to remove the assert check at the top of the update script, because this seems to erroneously check for the A820 (even though there isn't currently a port for this device?). It's working excellently with two exceptions - I am unable to select the SD card as a storage device, and Google Play store is not searchable (it causes a Force Close).
Click to expand...
Click to collapse
Hello,
How did you manage to fix the reboot loop?I have the same problem,after a factory reset the phone just reboot like you said in first post...please help me fix it...
claudiuionel said:
Hello,
How did you manage to fix the reboot loop?I have the same problem,after a factory reset the phone just reboot like you said in first post...please help me fix it...
Click to expand...
Click to collapse
Hi I had similar "reboot loop" problem this morning after a phone factory reset.
I have no idea how I solved that but the following was the steps I tried:
1. Install the MTK6589_PdaNET_ADB_VCOM_Drivers. Skip the USB connection during setup. Start the PdaNET after setup finished.
2. Insert battery inside the phone and connect the phone with the computer by USB
In my case, the phone reboot loop once, and the lenovo screen appeared in the second restart. The phone hanged. I unplugged the cable, took out the battery, insert the battery again and start the phone normally again and it is working now.
I recommend installing the recovery rom after you have fixed the phone.
Goodluck

[Q] Can't access recovery nor reset to factory settings on rooted device

Hello,
I own an Android tablet KO PARA1 FULL and experiencing a strange problem. This is a chinese atm7029 quadcore tablet (16gb, 1gb ram, without bluetooth, only wifi, bu supports 3g dongle), running android 4.1.1 nad 3.4.0+ kernel, which came prerooted. After some time I've decided to install backup programs on in to make a full backup of the device for the case something would go wrong, and after some trying I descovered, that there is something like recovery for that purposes which seemed a good solution for me. I decided to install CWM, which I managed to install without problems and made some backups on my device. Everything was fine, I did some factory resets through the time, some restoring processes from my previously backup states of the device, was always able to activate CWM recovery menu through Reboot to recovery or through combination of Volume down a Power button...
Until last saturday. I was normaly surfing the internet, reading mails and afterwords I powered my tablet off (it is draining battery in sleep mode, but its another story..). After a while wanted again to write a mail, so I powered it on. In that momet seemed the screen too dirty for me and I tried to cleen it little bit throug the bootup process. Unfortunately I obvious confused the system with it and after boot it was not responding properly. I did not wait enough and after a while powered it off with power key pressed for a long time, to make a new boot.
But when I powered it on again, it stayed stuck in boot logo and did not boot at all. I've tried a copple of times to boot it again with no cuccess, stayed stuck in boot logo for more then 10 min...
Afterwards I decided to make it boot up with the help of computer. I downloaded adb and drivers and somehow managed to make it boot up. I thing I was too excited to see it boot up again, that during boot up process I desconected my device from computer...
My worries were reliesed and I thought it would be a good idea to make a restore from backup to prevent some strange behaviour, so wanted to boot into recovery, but nothing had happened. After some repeated clicks on Boot into recovery button, as well as app called rebooter with nothing happening, I decided to try it out through button combination. It has not worked as well Next try was to reset to factory settings. But when I go through the menu, I can click on reset to factory settings button, seeing warning that I will lost ma data, then I can push the button to make it happen, but nothing is happening. I see only the screen with the button, can touch it 100 times and the tablet stays on, fully funcional. making no factory reset as it done before.
I did a lot of reading and searching, but have not find answer for my problem. I flashed recovery images from my backups (using flashify, flash gordon, adb shell, terminal emulator), from all previously functional states of the device. I refleshed the CWM recovery downloaded from the internet for my chipset, which previously did the job just perfect, with no success...
I am still not able to reach recovery menu. For me it seems like the bootloader would be locked, but I did not find the answer how to unlock it without to be able to start in some recovery state to use fastboot command to unlock it.
Otherwise, my device is functional, still rooted, i can use it without any other problems. But not be able to do recovery from my backups, even do a factory reset.
How can I restore my access to recovery mode? Is it somehow possible?
Hopfully it is not too much information (tryied to follow the intructions and wrote everything I thought would be important to know about) and you will not be bothered to read all my story and pull me out of my darkness with helpfull suggestion.
Thanks a lot in advance
Steve

Bricked Umidigi Crystal

I have a Umidigi Crystal (2/16) and it´s not booting anymore.
How that came is a long story.:crying:
I got the phone, wanted to root it and while I was enabling usb debugging in developer options, I noticed you can root it from there as well.
I have no idea whether thats a Umidigi special or if that was seen on other phones too, basically I had a slider option to enable root access.
After a reboot, SuperSU was installed automatically, root checker, file explorer and rom toolbox worked fine with it but I actually rooted to get Xposed Installer.
That worked very well too, only did I want to have a custom recovery to prepare my phone in case of a bootloop.
So I followed these instructions.
I hadn´t unlocked the bootloader by the time and since the instructions said I would have to unlock it I did that first using these instructions.
Everything worked as expected but from this point on, on the pre-bootanimation picture my screen would say
Code:
Orange State
Your device has been unlocked and can't be trusted
Booting in 5 sec...
As everything else was the same as before, I just ignored it.
Then I moved on to installing TWRP by, again, these instructions.
The process seemed to work but after finishing, I was unable to boot into recovery mode, my phone would just boot into the normal OS(which still worked by the time).
I wanted to get around that by using this app but because of the unlocked bootloader my phone was factory reset
and I had to root again.
I was going for the same way I already did it beforehands and I was asked to reboot again.
After that point, my phone was stuck in the pre-bootanimation screen saying it´s orange state thingy again and would just stay there forever.
I tried installing the stock rom from here ((2/16 - V1.0_20171026)) to get rid of the root setting I enabled.
Now I get the pre-bootanimation screen with the orange state text again and after 5 seconds it keeps the background image but the text disappears.
Thats where it´s stuck for like 3 hours now.
When I press the power key a couple of seconds, that loop starts again, I can´t turn the phone off.
Things I can still do:
•Reboot (holding the power button, still get stuck the same way though)
•Access a PC, the internet, an SD Card and electricity
•Charge the phone
•I still have all the drivers on my PC properly installed
Things I can´t do
•Keep the phone turned completely off
•Boot into fastboot, recovery or normal OS
•Get the PC to recognize my phone (not even the adb)
What I want (if possible in that order):
•Boot into literally any OS
•Use the current OS or any custom rom
•Have root access without the developer option method
•Have TWRP
•Unlocked Bootloader
I know, I ask for a lot but this is the only phone I have right now and I badly need it.
Getting it to boot again is really the primary goal here.
Thanks so much to everyone who tries to help me, it really means a lot

Stuck in bootloop Neffos X1. No recovery mode.

Hello community,
I haven't posted here before, so I hope I'm not doing anything wrong.
I have a problem with my Neffos X1 and after browsing the internet for hours nothing helped so far, so I hope some of you can help me out.
My phone is stuck in a bootloop since yesterday evening. I haven't done any updates or new installations recently, so it just happened out of the blue. It loads till the Neffos logo and then restarts over and over again.
Since I can't take the battery out, I tried letting it run out of energy and then restart, but as soon as I connect it to a power source the bootloop will start again.
I read a lot about getting it in recovery mode or to try and flash it, but no matter what combination of buttons I try, nothing is happening. The phone basically doesn't react to anything and just keeps restarting. The only thing I noticed is, that when pushing both volume keys the screen will just stay black (no restarting), but after letting go the bootloop will start again.
I tried flashing it via SP Flash Tools, but the phone also doesn't react to it.
Lots of troubleshooting guides also require, that I have rooted my phone in the past, unfortunatly I haven't. I also read about unlocking the bootloader, but since my phone isn't reacting to any buttons and my laptop also doesn't seem to recognize my phone (probably because it doesn't boot proberly), that doesn't seem like a solution either.
To summarize: I'm stuck in a bootloop with no recovery mode, no rooting, no unlocking bootloader, probably can only use my laptop to do anything remotely.
So, is there anything you can think of, that might help me get out of the bootloop? Or ideas of what I may did wrong when trying the other solutions?
Thanks for any help in advance.
Same problem
I have the same problem, I have tried all kinds of soft reset and nothing is working I also opened the phone to check if anything was not connected properly, but everything seems fine except for that infinite loop. Please help!
Shotzo said:
I have the same problem, I have tried all kinds of soft reset and nothing is working I also opened the phone to check if anything was not connected properly, but everything seems fine except for that infinite loop. Please help!
Click to expand...
Click to collapse
Try this
Download phone's Stock Firmware onto your personal computer.
Install the USB MTK Drivers - NOT ANY OTHERS (skip if you have them already installed).
Download and Launch the Smart Phone Flash Tool (SP Flash Tool)
Click the Scatter-loading button to navigate to the Stock Rom you just downloaded.
Select the Scatter File from the extracted Stock Firmware on your computer.
Select the Download Only in the SP flash tool option
Click the Download button to start the Formating process.
Connect your phone via USB to the computer>> holding volume + and volume – button of your phone at the same time or holding power button only so that the flashing process will starting working
Patiently wait for your device to be formatted.
After the formatting is done, a Big Green button will pop up on the SP Flash to show that.
Unplug phone and boot it up.
If you have a boot loop after booting your device, boot into recovery mode and do a factory reset.
Voila, you are all good.

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