Develop Bugs

[Q] non rooted stock GN (gsm) stuck on google boot

Just happened this morning, while using my non-rooted stock gsm gn. All of a sudden it turned off and rebooted, but can't get past the google screen... it goes back to black screen then google screen... pls help!

This happened to me aswell, like three hours ago.
A full battery load during night and then I used it for navigating to a customer, sent a SMS. When I check the phone later the white led is flashing to tell me I got a new notification.
But the phone won't wake up, so I pull the battery and now it is stuck at the Google logo, it never comes to the boot animation. It is freezing with the Google logo and it can't be turned off.--- without pulling the battery
I'm running OTA update 4.0.2 the phone is not rooted.

Still stuck!
This I have tried to no avail:
Via fastboot unlock the bootloader, hangs.
Via Odin reinstall image (ICL53F), hangs (aborted after 10 minutes of waiting)
Odin hangs at "NAND Write Start!!"
To me it seems like I've lost the flashmemory...
If no other solutions is recommended I guess I have to return the device... GAAH!
Also tried:
Code:
fastboot -w
Went for lunch and came back, but that command aslo hanged.

Update
Update.
My Galaxy Nexus is now running again, after a motherboard replacement done at a Samsung serviceshop.

Yakjuxw JB OTA not installing

Jelly Bean for yakjuxw is rolling out now, but mine will not install.
I have used the Google framework services "trick" to get and download the update 3 times now.
It downloads 160,3 mb, confirms and restarts for install. Then the Google logo shows for about 10 seconds and then just a restart again without installation. No error messages or anything.
4.0.4, yakuxw.
Any ideas?

Have you rooted the device, flashed a custom recovery, flashed a radio or changed any system files (fonts, mods, themes)?
All of these things (and many more) will cause the update to fail.

No, it is totally stock and not rooted.
Seems weird to me - can it somehow download a wrong update file?
It does not even show the red Android on the first reboot.

Also it seems, that the phone is unable to go into Recovery. Pressing both volume buttons and power and then selecting Recovery modes gets me to the same thing: The white google logo on black screen, and then a auto reboot to normal phone operation.
Can Recovery get broken in any way and thus also prevent the update?

ThomasDK said:
Also it seems, that the phone is unable to go into Recovery. Pressing both volume buttons and power and then selecting Recovery modes gets me to the same thing: The white google logo on black screen, and then a auto reboot to normal phone operation.
Can Recovery get broken in any way and thus also prevent the update?
Click to expand...
Click to collapse
I am expieriencing the exact same problem. Recovery seems to be corrupted and cannot enter it. This cause installation of update impossible. We need help here.
Is flashing to yakju will fix recovery mode?

Try manually flashing the stock recovery. You'll need an unlocked bootloader for that though.

I have fixed my problem by flashing yakju. I have used this method: http://forum.xda-developers.com/showthread.php?t=1787503&highlight=yakju
Now i will get OTA updates from Google instead from Samsung because i had yakjuux firmware since my phone was orginally from Bell. Yay!

I sent mine in for repair.
Received it back with re-flashed software, and it's ok again.

[Q] BRICKED! Bootloop VZW HELP!

Dear XDA,
I have tried all I can to fix this problem. Let me explain how it all started.
I was using my phone normally, running the same custom rom ive been running for the past 6 months. I went to turn on wifi then turned off the screen. Later when i went to check my phone the screen would not turn on, so i performed a battery pull. After that i saw the normal google boot screen and then the custom rom boot screen. It stayed on that screen for a few seconds and then went back to the google boot screen. It then did this over and over, ive left it on for an hour once and it kept doing the same thing. Only way to stop this is with battery pull.
So what can i do with the phone:
I can access fastboot
I can access download mode
What have i tried:
I tried the following methods:
1) Flashing a Back Up
2) Wiping data, flashing a rom and gapps
3) fastboot adb http://rootzwiki.com/topic/13819-how-tovzw-return-to-factory-state-unroot-and-relock/
4) ODIN http://rootzwiki.com/topic/27050-vzwodin-files-needed-for-odin-winstructions/
The same issue continues even after successfully completing these methods. Im now down to my last strand and hoping the great xda community can help me.

seanrobot said:
Dear XDA,
I have tried all I can to fix this problem. Let me explain how it all started.
I was using my phone normally, running the same custom rom ive been running for the past 6 months. I went to turn on wifi then turned off the screen. Later when i went to check my phone the screen would not turn on, so i performed a battery pull. After that i saw the normal google boot screen and then the custom rom boot screen. It stayed on that screen for a few seconds and then went back to the google boot screen. It then did this over and over, ive left it on for an hour once and it kept doing the same thing. Only way to stop this is with battery pull.
So what can i do with the phone:
I can access fastboot
I can access download mode
What have i tried:
I tried the following methods:
1) Flashing a Back Up
2) Wiping data, flashing a rom and gapps
3) fastboot adb http://rootzwiki.com/topic/13819-how-tovzw-return-to-factory-state-unroot-and-relock/
4) ODIN http://rootzwiki.com/topic/27050-vzwodin-files-needed-for-odin-winstructions/
The same issue continues even after successfully completing these methods. Im now down to my last strand and hoping the great xda community can help me.
Click to expand...
Click to collapse
Fastboot seems the best solution to me. What exactly went wrong? Also you could try a OMAP flash.
Sent from my Galaxy Nexus using XDA Premium HD app

To be honest I have no idea what happened. It happened out of no where didn't flash a new rom or anything. OMAP flash? Never heard of it but I'll definitely look into it and try it. I've tried fastboot method and still got the same problem sadly

Really hoping this isn't a hardware issue

I just tried an OMAP Flash and still have the same problem. Ive moved on to a new phone but I still want to get this one working. Any other ideas to fix this problem?

Got into the same problem as yours. I googled around, and most people fix this problem by flashing stock image. Basically wipe your phone clean, e.g system,data,cache etc. and then flash in the stock image u downloaded from google website throught fastboot mode. I tried that method, but my phone is still stuck in bootloop. You can give it a try and see if it works

[Q] Phone boots into Firmware Update

I flashed the stock firmware onto my phone, and all was going well until it turned itself off. It then rebooted into Download Mode, and got itself stuck on 'Firmware Update'. I pulled the battery, rebooted and it went from the LG logo straight to the Firmware Update screen. I've tried going into recovery (which works, but pressing yes OR no still takes it to Firmware update. Going into download mode doesn't work either.
I tried to re-flash it using the LGFlashTool, but my PC can't find the phone in this state. I bought it off a guy on eBay 4 months ago, and it worked fine until the first sentence of this post happened.
EDIT: it's the international D855. The Firmware Update screen says '910K B0 QEM'

Galilwithit said:
I flashed the stock firmware onto my phone, and all was going well until it turned itself off. It then rebooted into Download Mode, and got itself stuck on 'Firmware Update'. I pulled the battery, rebooted and it went from the LG logo straight to the Firmware Update screen. I've tried going into recovery (which works, but pressing yes OR no still takes it to Firmware update. Going into download mode doesn't work either.
I tried to re-flash it using the LGFlashTool, but my PC can't find the phone in this state. I bought it off a guy on eBay 4 months ago, and it worked fine until the first sentence of this post happened.
EDIT: it's the international D855. The Firmware Update screen says '910K B0 QEM'
Click to expand...
Click to collapse
Thats not actually right
Booting into recovery normally should factory reset the phone. Would you be able to post a picture of the firmware update screen

itsbighead said:
Thats not actually right
Booting into recovery normally should factory reset the phone. Would you be able to post a picture of the firmware update screen
Click to expand...
Click to collapse
I tried it then. When I do it, I get the normal 'No (Exit)' and 'Yes' and then the same thing to confirm it. It then goes to the LG logo, and boom! Firmware Update!
I don't have a camera (stupid, I know) but, if you boot into download mode, it looks just like the screen there. Except it shows '910K B(0-99) QEM' in the update box thingo.

Hi, i have the exactly same problem, even if i try to power up the device normally or in download more it goes directly in to firmware update. Any way to fix it or install LGE MTP Driver so my PC will see my phone in order to flash it again?
LE: Video

I have run into the same problem like you guys. I recently updated my phone and it started to malfunction with resets, crashing and eventually got it stuck in boot loop. Then it booted into a green screen that said "demigod crash handler/tz crash" thrice. Instead of a hard reset I decided to using the lg mobile support tool to fix it. During the upgrade recovery my phone went into download mode/firmware update. I could see the progress bar moving and then get stuck and my mobile would switch off. Took out the battery, disconnected and reconnected the phone and tried the process all over again but in vain. I repeated this at least 8 times and eventually gave up. Now my phone is basically useless and only boots into firmware update. Hard reset doesn't work either. Can somebody please help me fix this?

I HAVE THE SAME PROBLEM :crying:

910k b0 qem
I tried to flash TOT file and it kept failing around 10%. I read somewhere that I should select the "Flash Board" option so I did. This also failed and left my phone booting to "Firmware Update" screen with following text in the gray box at the bottom.
910K B0 QEM
Windows no longer recognizes the devices and fails to install drivers.
I believe that what is required here is the "910K resistor flash cable"
Something like this ebay[dot]com/itm/OCTOPUS-Z3X-MICRO-USB-LG-P970-P990-P999-CABLE-56K-130K-910K-VARIABLE-RESISTOR-/131321398015
Can someone confirm or offer a solution?
P.S. This 10 post URL limit has got to go!

Galilwithit said:
I flashed the stock firmware onto my phone, and all was going well until it turned itself off. It then rebooted into Download Mode, and got itself stuck on 'Firmware Update'. I pulled the battery, rebooted and it went from the LG logo straight to the Firmware Update screen. I've tried going into recovery (which works, but pressing yes OR no still takes it to Firmware update. Going into download mode doesn't work either.
I tried to re-flash it using the LGFlashTool, but my PC can't find the phone in this state. I bought it off a guy on eBay 4 months ago, and it worked fine until the first sentence of this post happened.
EDIT: it's the international D855. The Firmware Update screen says '910K B0 QEM'
Click to expand...
Click to collapse
It is possible you flashed the wrong KDZ or TOT file
You can also try to hold the power button and wait untill the LG logo appears

anyone have any luck? Im stuck in this mode also

It is a sign of bootloop?

Hi,
When i use my 5x for a hour or so, then try to reboot it, it stucks at the google logo. When i restarted with the physical button, its usually starts, but not always. There was a time when i couldn't make it work for at least 30minute, then i waited a hour and it started finally.
Every time when i stucked at google logo, i'm able to get to twrp. Tried with stock rom, locked bootloader, stock recovery too, but its same. When i use it for a long time and its get hot, its stucks at google logo when restarting.
But it never restarted automatically. I can use it for 10hours if i want, just if i restart it, its stucks.
Is it because faulty motherboard or what do you think?
Because it dont stuck forever, and i can access recovery mode.

That's probably some random issue, the BLOD happens like this:
You do your stuff on the N5X,
everything freezes for several seconds,
phone restarts itself and doesn't get past google logo,
can't access recovery, however you can access bootloader, which is very laggy,
starting up again is nearly impossible, you can hold the button for an hour and the phone won't even get to the google logo.

ZLevente said:
Hi,
When i use my 5x for a hour or so, then try to reboot it, it stucks at the google logo. When i restarted with the physical button, its usually starts, but not always. There was a time when i couldn't make it work for at least 30minute, then i waited a hour and it started finally.
Every time when i stucked at google logo, i'm able to get to twrp. Tried with stock rom, locked bootloader, stock recovery too, but its same. When i use it for a long time and its get hot, its stucks at google logo when restarting.
But it never restarted automatically. I can use it for 10hours if i want, just if i restart it, its stucks.
Is it because faulty motherboard or what do you think?
Because it dont stuck forever, and i can access recovery mode.
Click to expand...
Click to collapse
I had the same issue when I flashed the newest bootloader version (bhz31b). Issue resolved when I reverted to bhz31a.

Wakamatsu said:
I had the same issue when I flashed the newest bootloader version (bhz31b). Issue resolved when I reverted to bhz31a.
Click to expand...
Click to collapse
Thanks, i'll try bhz31a thanks
(I'll write in some days if it worked or not)

Wakamatsu said:
I had the same issue when I flashed the newest bootloader version (bhz31b). Issue resolved when I reverted to bhz31a.
Click to expand...
Click to collapse
Which bootloader is bhz31a? I tried the bootloop fixes, none worked. Only have access to bootloader, no recovery.
edit: i see bullhead-opm1.171019.011-factory-3be6fd1 has the bhz31a bootloader. I tried this, with no luck on my end. Even with the 4core modified recovery/boot. I must have one of the unfixable BLOD.

I tried that bootloader too, same
My phone can boot, just sometimes it's stucks at google logo, but i can access recovery every time, even if it's stucked at google logo.
Usually every 2. reboot stucks.