Database Users

Nexus 4 Problem: Wont boot into system or recovery, but fastboot and able to flash?!!

Very weird behaviour:
1. Phone does not boot up at all - neither system nor recovery (tried 5.1 and 4.4.4 factory images and 2.8.3.0 TWRP as recovery).
2. Can start in fastboot mode and flash factory image but after flashing modem the device is "stuck" in QHSUSB_DLOAD mode.. when I restart into fastboot it continues to flash and finishes the flashing process apparently.
3. When the device is off and plugged in its recognized as "unkown device" or QHSUSB_DLOAD again - no signs of charging at all.
Phone got to me in "bricked" state - would not boot and was only showing red light when plugging in - after loading it for a while (it showed the battery with a lighning inside on screen during charge attempt, but no percentages at all) i flashed latest factory image but that did not help it seems.. =(
Tried "fastboot erase cache" as well...
Any ideas?

zroice said:
Very weird behaviour:
1. Phone does not boot up at all - neither system nor recovery (tried 5.1 and 4.4.4 factory images and 2.8.3.0 TWRP as recovery).
2. Can start in fastboot mode and flash factory image but after flashing modem the device is "stuck" in QHSUSB_DLOAD mode.. when I restart into fastboot it continues to flash and finishes the flashing process apparently.
3. When the device is off and plugged in its recognized as "unkown device" or QHSUSB_DLOAD again - no signs of charging at all.
Phone got to me in "bricked" state - would not boot and was only showing red light when plugging in - after loading it for a while (it showed the battery with a lighning inside on screen during charge attempt, but no percentages at all) i flashed latest factory image but that did not help it seems.. =(
Tried "fastboot erase cache" as well...
Any ideas?
Click to expand...
Click to collapse
u flashed stock doing fastboot -w update?

C4SCA said:
u flashed stock doing fastboot -w update?
Click to expand...
Click to collapse
downloaded the stock factory images (tried 4.4.4 and 5.1 so far) from google and used the "flash-all.bat". Should I do it manually instead?
What you mean "-w update" is that a parameter for the fastboot flash command?

zroice said:
downloaded the stock factory images (tried 4.4.4 and 5.1 so far) from google and used the "flash-all.bat". Should I do it manually instead?
What you mean "-w update" is that a parameter for the fastboot flash command?
Click to expand...
Click to collapse
He is asking if you wiped the device after flashing. You flashed the image using the flash-all.bat, which wipes the device. And you even erased the cache. So from the flashing point of view, it seems you did everything right. Do you have the wall charger to load the battery (for some hours)? I would try this. Besides, here is another thread, which seems to be related: http://forum.xda-developers.com/nexus-4/help/qhsusbdload-problem-t2253874
cheers

Had it charging for hours before flashing, so battery cant be the problem..
But when I now put the device on PC (or Charger) nothing seems to happen - not showing the charging symbols and PC recognizes the device as QHSUSB_DLOAD.
Fastboot mode is working, Boot to system and recovery show the google logo but thats it, not even a boot animation.

now its gettin recognized only as "unknown device" not even QHSUSB_DLOAD anymore.. weird

zroice said:
Had it charging for hours before flashing, so battery cant be the problem..
But when I now put the device on PC (or Charger) nothing seems to happen - not showing the charging symbols and PC recognizes the device as QHSUSB_DLOAD.
Fastboot mode is working, Boot to system and recovery show the google logo but thats it, not even a boot animation.
Click to expand...
Click to collapse
dont do fastboot erase cache. Do fastboot format cache.
reinstall the correct google usb drivers manually (http://forum.xda-developers.com/nexus-s/general/tutorial-n00bs-install-drivers-windows-t1901617)
try to flash 4.2.2 and see if it boots up using the flash all bat.
that QHSUSB_DLOAD mode i think its teh qualcomm recovery mode or something like that, there is a thread on xda about it.

Yea good idea gonna try and flash older firmware - although there was 5.0 or 5.1 on it when the phone got to me..
Starting to believe its a hardware issue or the bootloader is fked up somehow - the thing wasnt even rooted when it wouldnt start anymore ...
Are there any ready to use packages to flash bootloader again with qpst? Dont have much time for this thing anymore - so I cant assemble my own files - unless thats a quick process.. but from what ive seen its a bit difficult, right?

zroice said:
Yea good idea gonna try and flash older firmware - although there was 5.0 or 5.1 on it when the phone got to me..
Starting to believe its a hardware issue or the bootloader is fked up somehow - the thing wasnt even rooted when it wouldnt start anymore ...
Are there any ready to use packages to flash bootloader again with qpst? Dont have much time for this thing anymore - so I cant assemble my own files - unless thats a quick process.. but from what ive seen its a bit difficult, right?
Click to expand...
Click to collapse
no luck with 4.2.2 either - same behaviour.. flash is alright but then it wont boot or go into recovery.. argh

I had the same issue and this worked for me
https://productforums.google.com/forum/#!searchin/nexus/QHSUSB_DLOAD$20nexus$204/nexus/4Z5Sntc7u2c/HIyGuAVz8EQJ

halloga said:
I had the same issue and this worked for me
https://productforums.google.com/forum/#!searchin/nexus/QHSUSB_DLOAD$20nexus$204/nexus/4Z5Sntc7u2c/HIyGuAVz8EQJ
Click to expand...
Click to collapse
thanks man, tried that but no help. Phone isnt really stuck in the qhsusb_dload mode but it just won't boot neither the normal kernel nor the recovery system. All I can get this thing to boot is the fastboot mode and sometimes after flashing and rebooting from there the phone will be recognized as QHSUSB_DLOAD. When I plug it in while its off (either PC or wall charger) the Google Logo comes up, just as if its trying to boot, but no charging symbols.
In this state (google logo stuck) the pc does not recognize it at ALL - after a while the pc says "unknown device" has been attached but it has no hardware id or anything.
So the booting process is broken most likely. Question is if that is fixable with QPST or something else? Don't wanna invest any more time if its not likely to suceed though.. Already spent hours on this damn thing.. =)

zroice said:
thanks man, tried that but no help. Phone isnt really stuck in the qhsusb_dload mode but it just won't boot neither the normal kernel nor the recovery system. All I can get this thing to boot is the fastboot mode and sometimes after flashing and rebooting from there the phone will be recognized as QHSUSB_DLOAD. When I plug it in while its off (either PC or wall charger) the Google Logo comes up, just as if its trying to boot, but no charging symbols.
In this state (google logo stuck) the pc does not recognize it at ALL - after a while the pc says "unknown device" has been attached but it has no hardware id or anything.
So the booting process is broken most likely. Question is if that is fixable with QPST or something else? Don't wanna invest any more time if its not likely to suceed though.. Already spent hours on this damn thing.. =)
Click to expand...
Click to collapse
I know this situation man, I spent many hours too and finally solution came out that simple Hope you solve it soon

well i tried that - but i only get a "red" light when holding volume down and power while on wall charger.
This resets the QHSUSB_DLOAD mode, but still wont make the phone boot for me. Tried that combo several times - only "red" light no orange or smth.
When i do that combo when the phone is plugged in to the pc and its in qhsusb_dload mode the red light will flash instead of beeing on all the time.
So I think ill give up unless someone can point me to a good QPST guide to rewrite bootloader for the nexus 4...
Must be bootloader or hardware issue im quite sure..

LG G2 is EXTREMELY Broken. I Need IMMEDIATE HELP.

I recently bought a LG G2 for a great price, when I got it back to my home and turned it on, I discovered something. I found that it wouldn't boot and Download Mode is REALLY BROKEN. I can still get into TWRP, but the UI is in ruins and I can't navigate. When I try to enter Download mode, I get used to get an error code. Something like: error: cannot verify download mode, or something like that and when I try for a normal boot, I just get stuck at pixelated display. Really what to get this phone working, I can't disassemble the phone and I don't have the tools nor money to get said tools. When I power it on, I get an extremely pixelated display and I don't see the LG logo anywhere when I boot it up. I have been able to get the logo to appear once or twice. There is no warranty on this phone, can't afford to send it back to LG. I am getting very stress out over this device.
Things/Methods I have tried:
1) I tried to enter Download Mode, but it 'crashed' per se, and it then proceeds to wreck my PC, by flooding my display with Windows Explorer pop-ups.
2) Tried a normal boot after I restored my previous ROM before this stuff began, and it did no good.
3) Tried to get into fastboot, but apparently, it doesn't seem to exist on it, so I can't use other methods.
4) I downloaded the appropriate KDZ file for my phone to try and flash it back to stock, but the LG Flash Tool didn't recognize my device. I attempted to try and use the Minimal ADB and Fastboot tool, but it didn't to anything for my phone. Everytime I entered a command, it's say "<Waiting for Device>" and then it'd proceed to freeze there not do ANYTHING.
5) Tried a normal boot and that did nothing.
6)Tried using the ADB Sideload feature in TWRP, but that proceeded to crash the UI even more and then the device would freeze.
7) Wiped the Dalvik, System, Data, and Cache and then attempted to restore the OS, but then when I tried to get it into the the OS, it'd just boot loop at the pixelated 'boot screen', if that's what you'd call it.
8) Tried to get into fastboot, through Minimal ADB and Fastboot, but nothing happened.
9) Tired to fix Download Mode, but then the error arrives and then the device proceeds to a completely black screen.
10) Contemplated on physically removing the G2 from this plane of terrestrial existence.
I would appreciate the help. I want to get this phone back to Stock Firmware and then use it as my primary device and sell my Moto G.

KaoGao18 said:
I recently bought a LG G2 for a great price, when I got it back to my home and turned it on, I discovered something. I found that it wouldn't boot and Download Mode is REALLY BROKEN. I can still get into TWRP, but the UI is in ruins and I can't navigate. When I try to enter Download mode, I get used to get an error code. Something like: error: cannot verify download mode, or something like that and when I try for a normal boot, I just get stuck at pixelated display. Really what to get this phone working, I can't disassemble the phone and I don't have the tools nor money to get said tools. When I power it on, I get an extremely pixelated display and I don't see the LG logo anywhere when I boot it up. I have been able to get the logo to appear once or twice. There is no warranty on this phone, can't afford to send it back to LG. I am getting very stress out over this device.
Things/Methods I have tried:
1) I tried to enter Download Mode, but it 'crashed' per se, and it then proceeds to wreck my PC, by flooding my display with Windows Explorer pop-ups.
2) Tried a normal boot after I restored my previous ROM before this stuff began, and it did no good.
3) Tried to get into fastboot, but apparently, it doesn't seem to exist on it, so I can't use other methods.
4) I downloaded the appropriate KDZ file for my phone to try and flash it back to stock, but the LG Flash Tool didn't recognize my device. I attempted to try and use the Minimal ADB and Fastboot tool, but it didn't to anything for my phone. Everytime I entered a command, it's say "<Waiting for Device>" and then it'd proceed to freeze there not do ANYTHING.
5) Tried a normal boot and that did nothing.
6)Tried using the ADB Sideload feature in TWRP, but that proceeded to crash the UI even more and then the device would freeze.
7) Wiped the Dalvik, System, Data, and Cache and then attempted to restore the OS, but then when I tried to get it into the the OS, it'd just boot loop at the pixelated 'boot screen', if that's what you'd call it.
8) Tried to get into fastboot, through Minimal ADB and Fastboot, but nothing happened.
9) Tired to fix Download Mode, but then the error arrives and then the device proceeds to a completely black screen.
10) Contemplated on physically removing the G2 from this plane of terrestrial existence.
I would appreciate the help. I want to get this phone back to Stock Firmware and then use it as my primary device and sell my Moto G.
Click to expand...
Click to collapse
First verify model number of the phone viz D802/ D803/ 802T. Download original firmware file and Flash appropriate bootstack, download bootstack from https://github.com/lg-devs/bootstacks here.
After flashing boot stack, connect phone with cable to PC.
Use key combination (depending upot the bootstack you choose) to boot into download mode.
Use LG Flash tool to flash original firmware file.
You are good to go!

KaoGao18 said:
I recently bought a LG G2 for a great price, when I got it back to my home and turned it on, I discovered something. I found that it wouldn't boot and Download Mode is REALLY BROKEN. I can still get into TWRP, but the UI is in ruins and I can't navigate. When I try to enter Download mode, I get used to get an error code. Something like: error: cannot verify download mode, or something like that and when I try for a normal boot, I just get stuck at pixelated display. Really what to get this phone working, I can't disassemble the phone and I don't have the tools nor money to get said tools. When I power it on, I get an extremely pixelated display and I don't see the LG logo anywhere when I boot it up. I have been able to get the logo to appear once or twice. There is no warranty on this phone, can't afford to send it back to LG. I am getting very stress out over this device.
Things/Methods I have tried:
1) I tried to enter Download Mode, but it 'crashed' per se, and it then proceeds to wreck my PC, by flooding my display with Windows Explorer pop-ups.
2) Tried a normal boot after I restored my previous ROM before this stuff began, and it did no good.
3) Tried to get into fastboot, but apparently, it doesn't seem to exist on it, so I can't use other methods.
4) I downloaded the appropriate KDZ file for my phone to try and flash it back to stock, but the LG Flash Tool didn't recognize my device. I attempted to try and use the Minimal ADB and Fastboot tool, but it didn't to anything for my phone. Everytime I entered a command, it's say "<Waiting for Device>" and then it'd proceed to freeze there not do ANYTHING.
5) Tried a normal boot and that did nothing.
6)Tried using the ADB Sideload feature in TWRP, but that proceeded to crash the UI even more and then the device would freeze.
7) Wiped the Dalvik, System, Data, and Cache and then attempted to restore the OS, but then when I tried to get it into the the OS, it'd just boot loop at the pixelated 'boot screen', if that's what you'd call it.
8) Tried to get into fastboot, through Minimal ADB and Fastboot, but nothing happened.
9) Tired to fix Download Mode, but then the error arrives and then the device proceeds to a completely black screen.
10) Contemplated on physically removing the G2 from this plane of terrestrial existence.
I would appreciate the help. I want to get this phone back to Stock Firmware and then use it as my primary device and sell my Moto G.
Click to expand...
Click to collapse
Download your recovery for your model, try flashing in TWRP if you can, then flash correct ROM for your device *Link*http://www.gregtwallace.com/lgg2-projects/twrp/?version=2.8.7.3

first thing you should do is to know if phone was refurbished, some phone claim to be d802 and they are not..
you do this by opening phone and checking MOTHERBOARD model or variant.

raptorddd said:
first thing you should do is to know if phone was refurbished, some phone claim to be d802 and they are not..
you do this by opening phone and checking MOTHERBOARD model or variant.
Click to expand...
Click to collapse
I opened up the phone, to an extent, and it is in fact the model I thought it was. D801

xosinchan said:
First verify model number of the phone viz D802/ D803/ 802T. Download original firmware file and Flash appropriate bootstack, download bootstack from *link* here.
After flashing boot stack, connect phone with cable to PC.
Use key combination (depending upot the bootstack you choose) to boot into download mode.
Use LG Flash tool to flash original firmware file.
You are good to go!
Click to expand...
Click to collapse
I don't understand how I can flash the boot stack when I cannot connect my G2 to my PC and it work. When I put it into 'Download Mode' I get an error and it crashes, then a bunch of unformatted drives appear and I can't use a flash tool, because my PC doesn't detect that it is connected to the computer.

ryanraven said:
Download your recovery for your model, try flashing in TWRP if you can, then flash correct ROM for your device *Link*
Click to expand...
Click to collapse
I can't get anything into the TWRP recovery, I am able to get into TWRP. Outside of that, I can't do much. I can restore my back up, but both of them were post-crash and I can't do anything. I tried the ADB sideload, but it wouldn't launch the file. I enabled MTP (Media Transfer Protocol?) but I didn't see my device.

KaoGao18 said:
I can't get anything into the TWRP recovery, I am able to get into TWRP. Outside of that, I can't do much. I can restore my back up, but both of them were post-crash and I can't do anything. I tried the ADB sideload, but it wouldn't launch the file. I enabled MTP (Media Transfer Protocol?) but I didn't see my device.
Click to expand...
Click to collapse
Update: My sibling, when they came over, smashed the screen out of it, so I can't do anything with it until I get the screen replaced.

[H918] Stuck in Serial USB Mode (Download Mode) Usual Fixes Not Working O.o

So I usually don't have to post for help as I've been doing this for a while and don't usually get this stuck.
Situation:
Rooted V20 H918 (T-Mo variant) with TWRP installed and working fine on v10d.
Phone got a little warm this afternoon so I rebooted figuring a process had run away or something (you know android).
Phone reboots and comes up to the Firmware Update screen. Mind you this isn't the same screen that folks often confuse as bootloader. There's no ADB/fastboot access only serial over USB.
Load up LGUP with Uppercut and grab the v10i KDZ. That runs flawlessly, finishes the upgrade and reboots.
This is where things go pants up.
When it reboots, I still get the triangle warning screen saying that the bootloader is unlocked and then it goes right back to the firmware update screen.
Things I've tried:
I've attempted to get into TWRP/recovery (Volume Down). I know I did the buttons right because it does that whole asking me if I'm sure I want to wipe my device, blah blah blah... but then after answer Yes twice... back to firmware update.
I've attempted to get into bootloader (Volume Up). Nothing... Right back to firmware update screen.
I've successfully flashed a 10i KDZ file using LGUP (In upgrade mode since refurb mode isn't supported by that kdz) both with Uppercut and extracting the LGUPc.dll file out of the KDZ archive. It successfully completes, reboots and goes right back to the Firmware Update screen. No errors, no changes, still no recovery, still no fastboot.
I've attempted flashing the full 6-point-something gig 10d TOT file in refurb mode and that dies out at about 11% with an invalid response error.
I've attempted flashing the boot partition only TOTs and in refurb mode that gets to 99% then dies with the invalid response error.
I've attempted flashing the recovery only 10d TOT in both refurb and upgrade mode and they both say "unable to determine OS version" and LGUP crashes out.
Things I haven't done:
I haven't been playing with ROMs or kernels.
I haven't been flashing random zips
I haven't been editing system files at all.
I haven't been washing, chewing, attempting to flush down the toilet or otherwise abusing my device.
Really I haven't been tinkering. I only wanted root for a couple of things (Ad Away primarily). So I'm certain I've done nothing negligent to cause this.
So I'm at a loss. LGUP completes successfully but doesn't fix anything. Halp?

UPDATE: LG Support Tool previously said it had the latest version of all software 10d, but now doesn't read the software version and lets me kick off the Upgrade Recovery Function. That appears to chooch fine but then tells me that it can't proceed because the battery is low. Checking the battery with a multi-meter shows it at 4.30v which is 100% according to spec.
So close... yet so far...
Thoughts?

Did you try that?
https://forum.xda-developers.com/v20/how-to/h918-dll-lgup-t3535988

netgar said:
Did you try that?
https://forum.xda-developers.com/v20/how-to/h918-dll-lgup-t3535988
Click to expand...
Click to collapse
Did you read my post? Did you see that I actually posted said DLL to that thread you linked me to?
Yes, I've tried it.

So after getting around the low battery warning crap, I finally got the LGMobile Support Tool to attempt to do something.
Basically I have to go to recovery update, punch in my IMEI and it chooches along. I then got it to download the latest update which looked to be the H91810i_00.kdz as I was snooping in it's hidden "phone" folder under ProgramData\LGMOBILEAX\
As soon as the download completes it deletes this folder and the downloaded kdz without ever talking to the phone (Phone's serial console output never updates). And then this screen with what looks like untranslated text (attached since I can't figure out how to properly embed an attached image.)

I see I'm going to have to start a bounty to get some help. ?

So check it out. I did learn something about the v20 which is how to get it into fastboot mode directly. Best way to do it is to turn off the device, then plug in a USB cable (connected to power or computer) and about 0.5 to 0.75 seconds later, just hit the volume down button. Boom, fastboot.
Unfortunately for my device, the only thing I'm able to do is lock or unlock the bootloader. Getvars spits this out:
Note that bootloader and baseband versions are blank.
I'm unable to erase or flash anything, I get (Remote: Unknown Command.)
So I relocked the bootloader and got a replacement from TMO. I honestly don't know if my rooting it would have caused such a catastrophic failure. But to be sure, since I need my v20 to be reliable. I think I'll refrain from tinkering until it becomes much more stable. Such as life on the bleeding unsupported edge.

Stuck in Firmware Update

I was trying to update with LGUP application for firmware update but didn't success, so I removed the USB cable and pressed Volume down and power button to restart. But it went straight into Firmware Update and LGUP application can't find the port.
So, my phone is stucking in Firmware update screen, please help me how to restore the firmware and get out from Firmware Update screen, many thanks and greatly appreciated.

Hold the power button until you get a black screen. Download LG Mobile Support tool and the LG Drivers. Plug USB In and then hold the Power + Volume Up key. On your screen, click Upgrade Recovery. From there, you can do a factory reset through download mode of your phone.

Enter download mode and connect the phone in the PC. Download LG brige and open it. When you are inside the programe you will see a window of Software update enter here and there is an option that is for bad installation otas (to reinstall and correct errors). Use this and I think this will handle.
Another option I think is using LG Up you will see your device in download mode. Try to enter download mode and see if this works also.

Thanks both - I ran into a similar situation. I pulled down both the 11a and 14a KDZ files, and used UpperCut and LGUP to flash first the 14a and then the 11a image. Unfortunately in both cases after LGUP does its thing, I'm getting the LG logo, followed by fastboot screen.
I cannot reboot to get past it, and I cannot flash recovery (it says the boot loader is locked). I cannot flash the Unlock.bin from LG because apparently the KDZ re-enabled the software lock prohibiting bootloader unlocks.
So I'm suck with a phone that will only boot into fastboot, stock recovery or into download mode, and I cannot figure out how to get back to something functional. I've tried reflashing with LGUP - that doesn't work. And the LG Bridge "Update Error Recovery" option gives an error "Connect your mobile device to the USB Port" even though it is, and the LG USB drivers are installed.
Would appreciate any pointers someone could offer.

gewecht said:
Thanks both - I ran into a similar situation. I pulled down both the 11a and 14a KDZ files, and used UpperCut and LGUP to flash first the 14a and then the 11a image. Unfortunately in both cases after LGUP does its thing, I'm getting the LG logo, followed by fastboot screen.
I cannot reboot to get past it, and I cannot flash recovery (it says the boot loader is locked). I cannot flash the Unlock.bin from LG because apparently the KDZ re-enabled the software lock prohibiting bootloader unlocks.
So I'm suck with a phone that will only boot into fastboot, stock recovery or into download mode, and I cannot figure out how to get back to something functional. I've tried reflashing with LGUP - that doesn't work. And the LG Bridge "Update Error Recovery" option gives an error "Connect your mobile device to the USB Port" even though it is, and the LG USB drivers are installed.
Would appreciate any pointers someone could offer.
Click to expand...
Click to collapse
In older LG phones work LG Flashtool (2014)...Maybe with this you can flash KDZ firmware https://forum.xda-developers.com/showthread.php?t=2797190

gewecht said:
Thanks both - I ran into a similar situation. I pulled down both the 11a and 14a KDZ files, and used UpperCut and LGUP to flash first the 14a and then the 11a image. Unfortunately in both cases after LGUP does its thing, I'm getting the LG logo, followed by fastboot screen.
I cannot reboot to get past it, and I cannot flash recovery (it says the boot loader is locked). I cannot flash the Unlock.bin from LG because apparently the KDZ re-enabled the software lock prohibiting bootloader unlocks.
So I'm suck with a phone that will only boot into fastboot, stock recovery or into download mode, and I cannot figure out how to get back to something functional. I've tried reflashing with LGUP - that doesn't work. And the LG Bridge "Update Error Recovery" option gives an error "Connect your mobile device to the USB Port" even though it is, and the LG USB drivers are installed.
Would appreciate any pointers someone could offer.
Click to expand...
Click to collapse
I have the same issue - I was on Lineage os and flashing the OTA update caused bootloop to recovery. So I wanted to flash back to stock using LGUP and 14A. I did that before without issues.
This time though all installed fine but after reboot the phone immediately goes to fastboot, exactly as described above. I just spend several hours trying to fix it but with no results. The LG Bridge won't recognize the phone no matter what I do in Windows (tried 3 different PCs). On a Mac it will start connecting and will end up saying "you need to enable MTP connection".
From what I garther the stock rom flashed fine - the factory reset works, even shows "erasing data", the LG UP recognizes the phone as 14A (I tried 11A, 13A too - seems to install fine but goes immediately to fastboot after reboot).
The only thing I realized I did different when flashing the stock rom with LGUP was not using the original LG USB cable. But reflashing with original cable makes not difference now - still going to fastboot.
Any help would be greatly appreciated.

Have you guys been able to do the Upgrade recovery in the LG support tool? Did it work? It starts fine for me but after downloading the recovery file I always get and error, see the screenshot.
I was able to grab the kdz file and tried to flash it with LGUP but still the same thing. It seems like it flashes fine but after reboot it immediately goes to fastboot

kloubik said:
Have you guys been able to do the Upgrade recovery in the LG support tool? Did it work? It starts fine for me but after downloading the recovery file I always get and error, see the screenshot.
I was able to grab the kdz file and tried to flash it with LGUP but still the same thing. It seems like it flashes fine but after reboot it immediately goes to fastboot
Click to expand...
Click to collapse
Sadly I'm in the same boat as well. I'll pull some of their error messages I've gotten with LG Flash Tool this afternoon. I've tried 2014 and 2017. Both to no success.
I suspect it may be something with the /misc partition. Im going out on a limb, but I'm guessing that the AOSP and Lineage ROMs may touch misc. That partition may have some key identifiers for the LG tools. And the KDZ doesn't have a misc partition embedded inside it.

I was hoping the kdz file I was able to grab from the Lg Support tool would be different from regular stock rom 14a that is available around the internet but it appears to be exactly the same file (based on the file size). My original hope was that the file would support "Refurbish" option in the LGUP tool but it only works with "Upgrade".
I wonder if the "Refurbish" option would fix this and re-flashed all partitions - if only we could find a kdz file that would work with the refurbish option. So far all files I tried (11a, 13a, 14a) only support the upgrade option.

Thanks for all of your helps, I used LGUP and WondersMobile application on the computer and LGUP can not see the port. I did un-install the WondersMobile and LGUP can see the port and finally upgraded to latest firmware.

gewecht said:
Thanks both - I ran into a similar situation. I pulled down both the 11a and 14a KDZ files, and used UpperCut and LGUP to flash first the 14a and then the 11a image. Unfortunately in both cases after LGUP does its thing, I'm getting the LG logo, followed by fastboot screen.
I cannot reboot to get past it, and I cannot flash recovery (it says the boot loader is locked). I cannot flash the Unlock.bin from LG because apparently the KDZ re-enabled the software lock prohibiting bootloader unlocks.
So I'm suck with a phone that will only boot into fastboot, stock recovery or into download mode, and I cannot figure out how to get back to something functional. I've tried reflashing with LGUP - that doesn't work. And the LG Bridge "Update Error Recovery" option gives an error "Connect your mobile device to the USB Port" even though it is, and the LG USB drivers are installed.
Would appreciate any pointers someone could offer.
Click to expand...
Click to collapse
kloubik said:
I have the same issue - I was on Lineage os and flashing the OTA update caused bootloop to recovery. So I wanted to flash back to stock using LGUP and 14A. I did that before without issues.
This time though all installed fine but after reboot the phone immediately goes to fastboot, exactly as described above. I just spend several hours trying to fix it but with no results. The LG Bridge won't recognize the phone no matter what I do in Windows (tried 3 different PCs). On a Mac it will start connecting and will end up saying "you need to enable MTP connection".
From what I garther the stock rom flashed fine - the factory reset works, even shows "erasing data", the LG UP recognizes the phone as 14A (I tried 11A, 13A too - seems to install fine but goes immediately to fastboot after reboot).
The only thing I realized I did different when flashing the stock rom with LGUP was not using the original LG USB cable. But reflashing with original cable makes not difference now - still going to fastboot.
Any help would be greatly appreciated.
Click to expand...
Click to collapse
I too am having same problem. I've tried all the images from 11A to 14A, all of them flash with no errors on LGUP and every time LGUP detects the phone as having the last version flashed. Unfortunately, the phone also boots to fastboot every time. Nothing else to add to your descriptions at this time I'm afraid...
gewecht said:
Sadly I'm in the same boat as well. I'll pull some of their error messages I've gotten with LG Flash Tool this afternoon. I've tried 2014 and 2017. Both to no success.
I suspect it may be something with the /misc partition. Im going out on a limb, but I'm guessing that the AOSP and Lineage ROMs may touch misc. That partition may have some key identifiers for the LG tools. And the KDZ doesn't have a misc partition embedded inside it.
Click to expand...
Click to collapse
I am absolutely positive my problem is at least in part due to a messed up /misc partition though. @gqo actually described what I did pretty thoroughly in his thread, albeit in a G5. Post #9 has the fix but it didn't work for me.
I've also stumbled upon a menu under the Firmware Update screen that I had never seen before and cannot fin any mention to... Would any of you guys know what it is for? It reads something like:
Code:
** SELECT MENU **
** Select : Power Key(Long) **
** Move : Power Key(Short) **
-> MA-USB(WIFI) DL
POWER OFF
PHONE INFO
BACK
Okay, I figured it out. The menu, at least the first option, appears to be for Wi-Fi firmware update. I wonder what file the phone actually downloads... And if it would be able to fix our phones. The only unprotected network I had in hand was a mobile hotspot in my not-so-LTE Nexus 5, so I got as far the firmware download start but didn't risk it on such a slow and unpredictable network. On top of that my Nexus 5 has also gotten pretty good at bootlooping, that's why I got this G6 in the first place. If anyone out there has a reliable unprotected network and nerves of steel it could be interesting to see if the outcome of this update is different from the LGUP one.

How do you access this menu?
What I started working on yesterday is trying to build a image file for the Qualcomm Flash Image loader and see if I can flash the phone using this tool... But I have never used this tool before, right now it does not detect my phone - I need to work on that + see if I can correctly build the image file from kdz. I found some youtube step by step tutorials so we will see. I will post update on the progress tonight or tomorrow.

kloubik said:
How do you access this menu?
What I started working on yesterday is trying to build a image file for the Qualcomm Flash Image loader and see if I can flash the phone using this tool... But I have never used this tool before, right now it does not detect my phone - I need to work on that + see if I can correctly build the image file from kdz. I found some youtube step by step tutorials so we will see. I will post update on the progress tonight or tomorrow.
Click to expand...
Click to collapse
I'm not sure if there's a better way to do it, but I access it by removing the usb cable after I successfully get in Download Mode. Then I'm not sure if there's any specific key combo, I've been randomly pressing the power and the volume down buttons and at some point I get into that menu. In the menu though, for some reason, I think I can only select an option if I long press both the volume down and power buttons. The "POWER OFF" option has come in handy because so far is the only way I can actually turn my phone off. The "PHONE INFO" hasn't worked for me yet. The menu also reacts when you add/remove the microsd card... I wonder if it can be used for something other than a WiFi firmware upgrade. I haven't had the chance to connect the phone to a computer to see how the device is recognized, if at all.
And that image you're working on sounds like a neat idea, I wish I could help but I'm afraid I wouldn't have the skill. I may be able to test though. Anyway, Godspeed!

Unundra said:
I too am having same problem. I've tried all the images from 11A to 14A, all of them flash with no errors on LGUP and every time LGUP detects the phone as having the last version flashed. Unfortunately, the phone also boots to fastboot every time. Nothing else to add to your descriptions at this time I'm afraid...
I am absolutely positive my problem is at least in part due to a messed up /misc partition though. @gqo actually described what I did pretty thoroughly in his thread, albeit in a G5. Post #9 has the fix but it didn't work for me.
I've also stumbled upon a menu under the Firmware Update screen that I had never seen before and cannot fin any mention to... Would any of you guys know what it is for? It reads something like:
Code:
** SELECT MENU **
** Select : Power Key(Long) **
** Move : Power Key(Short) **
-> MA-USB(WIFI) DL
POWER OFF
PHONE INFO
BACK
Okay, I figured it out. The menu, at least the first option, appears to be for Wi-Fi firmware update. I wonder what file the phone actually downloads... And if it would be able to fix our phones. The only unprotected network I had in hand was a mobile hotspot in my not-so-LTE Nexus 5, so I got as far the firmware download start but didn't risk it on such a slow and unpredictable network. On top of that my Nexus 5 has also gotten pretty good at bootlooping, that's why I got this G6 in the first place. If anyone out there has a reliable unprotected network and nerves of steel it could be interesting to see if the outcome of this update is different from the LGUP one.
Click to expand...
Click to collapse
I'll play around a bit and see if I can land on this menu. At this point I'll try anything. I'm on an iPhone until I get this fixed - so I'm motivated!
I can setup an open guest network off my main wi-fi this evening and see what I can find out.
EDIT Sorry, I tried playing around here, but I couldn't figure out how to get back into the the menu you uncovered. If you could give some instructions on how to do it, I'm happy to give it a shot on my device.

I was able to access the menu today...what worked for me was at the firmware screen unplug the usb cable and then press volume down and power button three times quickly. I tried to connect to a wifi and it does not really do anything. I think it just establishes wifi connection but it does not download anything on it's own - it's waiting for another connection.
Also I got stuck with building the image file from kdz, it has no information on partitions. At this point I decided to ship to LG for a quote and will see how much they will ask for a reflash.

I got as far as selecting a network and getting some sort of a download start screen, but I interrupted it right away so I wasn't sure the download would actually go through... Apparently it does not. If this menu has some sort of flashing capabilities though, it might be worth checking how secure it is. If someone can get it to download and flash a modded file perhaps there could be a chance of flashing a custom recovery or something... I'm thinking about those guys that have an unlockable bootloader (which we ironically also have now).
Anyway, all of this goes well beyond my skill so I followed your example and submitted a repair service request to LG. It'll take quite long but shipping is free, so I figured I'd give it a try. I'm assuming this is an easy fix with the right software tools, so I hope LG doesn't overcharge for it. I'm even half hoping they'll do it under the limited warranty... If I recall correctly unlocking the bootloader doesn't immediately void all warranty, there's room to prove the bootloader was never actually unlocked. And after all LG does say that once unlocked, it cannot be undone and our phones are, in fact, running stock firmware and have a locked bootloader.

Update: My phone was received today by LG. In LG's Track Repair page, the status briefly showed as Undergoing Diagnostic but quickly moved to Repair In Progress, it's current status. Given that LG was supposed to contact me in case the repair was not covered by the limited warranty, meaning that an extra fee would've to be paid, I'm assuming the phone will be fixed (if possible, that is) free of charge. I will update you guys again soon, but if anyone out there is still struggling with this issue I'd recommend considering sending the phone to LG.

I have the exact same problem. Please keep us in the loop of what happens to your phone with LG

My phone has been received by LG for this issue on 9/26. It quickly moved through diagnostic to "repair in progress" on the first day plus showed ETA back to me in 6 business days. Ever since that it's stuck in that mode, no update or contact from LG. I check the status every day - every day it says the same - ETA 6 business days. It's been a week and half now with no update. I kind of expected it's going to take 2-3 weeks but annoyed that they say 6 days ETA and then you don't hear from anyone for almost 2 weeks with no change in status.

Update #2: The status finally moved to Shipped To Customer. I haven't been contacted by LG yet, so I guess the phone could've been shipped fixed as much as it could've been shipped as is for being unfixable. Either way, I wasn't and most likely won't be charged. FedEx hasn't got an ETA for the delivery, but I'll let you guys know as soon as I get my phone back.
Edit: Got an e-mail from LG. It reads something like:
Defect: Software failure
Payment Type: NOT APPLICABLE
Repair Results: S/W upgrade (download)
Repair Cost: $ 0.00
Warranty Status: In Warranty
Tax: $ 0.00
Total: $ 0.00
I guess I got away with it, I hope you guys do too.
Sent from my Nexus 5 using Tapatalk

LG US996 keeps going into Firmware update.

tl;dr
Hey guys, The title says it all basically. So here's the actual issue. My US996 was running great. Then, a week or so ago it just randomly started getting super sluggish. Today, I turned it off and when i turned it back on, it went right into the "firmware update" screen. I pulled the battery, played it with then got it into the recovery screen. Only thing is, i was able to move up and down using the Vol down button and power button but, i couldnt actually go into anything. So i once again pulled the battery, and now it wont do anything but go back into the "firmware update" screen. after playing with it some i finally got into the Fast Boot screen. which allowed me to do nothing. I pulled the battery again and it wont do anything but go to that "firmware update" screen.
I have tried using Uppercut to flash it. But when the LGUP program does it's reboot it dumps me right back off on the same screen. Since Uppercut and the correct KDZ are not working. Is it a hardware or software issue?
Also please forgive me, I do not understand all of the Android terms. Like, I am not sure what ADB means. I am a bit tech savvy.

Try using LG Bridge. It will reset your phone to complete stock, but it should fix up your phone.

Obamaloominaty said:
Try using LG Bridge. It will reset your phone to complete stock, but it should fix up your phone.
Click to expand...
Click to collapse
I've tried that, Uppercut, pretty much everything. I think it's the dreaded bootloop issue. When I connect it to Bridge it tells me "no updates available" . Or, the update failed.

JethroFloyd said:
I've tried that, Uppercut, pretty much everything. I think it's the dreaded bootloop issue. When I connect it to Bridge it tells me "no updates available" . Or, the update failed.
Click to expand...
Click to collapse
Did you click "update error recovery"

Obamaloominaty said:
Did you click "update error recovery"
Click to expand...
Click to collapse
I did. It went through the update process on the phone. But, once again, when the phone restarted the it went right back to the "firmware update " screen. That tells me it's a hardware issue, right?

This doesn't make sense. If you had a bad NAND then the flash would fail because it wouldn't pass the hash check. If you had a bad CPU, it wouldn't be able to just load firmware update.
I am guessing that you have a corrupt misc, persist or persistent partition.
Use the patched LG UP to dump misc, persist and persistent. Then...
With the phone off, hold vol down and plug in the USB cable. That should that you to fastboot. If it does:
fastboot format misc
fastboot format persist
fastboot format persistent
Let me know what happens. If that fixes your phone, I can help you determine which partition is corrupt and help you fix it.

runningnak3d said:
This doesn't make sense. If you had a bad NAND then the flash would fail because it wouldn't pass the hash check. If you had a bad CPU, it wouldn't be able to just load firmware update.
I am guessing that you have a corrupt misc, persist or persistent partition.
Use the patched LG UP to dump misc, persist and persistent. Then...
With the phone off, hold vol down and plug in the USB cable. That should that you to fastboot. If it does:
fastboot format misc
fastboot format persist
fastboot format persistent
Let me know what happens. If that fixes your phone, I can help you determine which partition is corrupt and help you fix it.
Click to expand...
Click to collapse
I do appreciate your help. I attached a photo of what the ADB command prompt was telling me. but if for any reason you can't see it. It's telling me formatting isn't supported. Perhaps I'm using the wrong cmd

Weird.
Try erase instead of format.

runningnak3d said:
Weird.
Try erase instead of format.
Click to expand...
Click to collapse
Yeah. Everything about this situation is baffling. It just randomly started to happen.
Also, That command didnt work.

Did you unlock the bootloader with the bin file or using DirtySanta?
If it was with the bin file, you need to unlock it again. If you used DirtySanta, there is nothing that can be done. When you flashed the KDZ it replaced aboot, and now you can't fix the corrupt partition unless you can unlock it again.
I always tell people that if you have TWRP, don't ever flash the KDZ to try and fix your phone. There is nothing that it will do that you can't do if you have TWRP, and in your case you have an issue with a partition that isn't flashed by the KDZ ... and now no way to fix it.
Sorry, just reread your first post. I read recovery the first time and just assumed TWRP, but you meant the "vol down / press power" screen.
Is it possible an OTA got taken? Either way, I hate to be the bearer of bad news, but there is no fixing this except sending it to LG.
---------- Post added at 07:45 AM ---------- Previous post was at 07:38 AM ----------
Actually, send me a PM. I can send you a tool that can wipe those from download mode. You may be able to save your phone yet.

I didn't try to root the device. It did all this on its own. The device is still under warranty. I got in contact with LG about it. They sent me an RMA. All i tried to do was use Uppercut to try and fix it. Everything was stock on it when it did this. I purchased it brand new unlocked from B&H Photo. But, nonetheless thank you for your time and effort to help me.
I'm going to send out back to LG. But, i wouldn't mind getting that tool from you. I like LG devices. So i do plan on getting more.

I had the same issue. The phone was locked onto the firmware update and I could not override it. Pulling the battery and trying to re-flash the phone would not work. LG could not resolve it unless I sent the phone in for repair. ($42.00 + Shipping both ways)
This is what finally worked. Use the USB cord from your charger and connect the phone to a computer then power up the phone. This will override the firmware update and let the phone boot up normally.
Good Luck.

I gave up on this phone a while ago because of this issue. The only way i could start it up was if it was plugged in.. recently i started playing around with it again due to aosp second screen and started looking into the issue again. I forget where (it wasnt on xda) but i read that putting a little bit of water on the c type plug that goes into the phone fixes the issue. I dont know how or why someone discovered this and i first thought that it was someone joking or being malicious but i tried it and after 8 fricken months my phone can boot untehered!