Develop Bugs

[Q] D855 Hard Bricked :(

Hello All,
I made a horrible discovery as I went to set my alarm last night that my G3 has managed to hard brick itself. It wasn't rooted but had a few emulators and stuff on it and at some point it has ruined the phone
It has the dreaded QHSUSB_BULK whenever I try to flash it or use the LG Mobile Support tool after say 2-4%.
I'm hoping (praying) that some kind G3 owner (D855 16GB UK Model) could upload or send me a debrick.img for the SD?
If not I'll have to try and claim the warranty with LG as my return window has passed with amazon unfortunately.
First android and a month later a hard brick lol :/
Thank you!
(I know it's almost certain I'll have to send it away)

Are you trying the TOT flash method or the KDZ flash method?
Whenever i see a firmware flash fail it's almost always caused from a usb issue.
Try not to stress, i bricked my phone the other night and couldn't get it to flash for hours and couldn't figure out why, it turns out the 2014 PC i was trying to use wasn't having nothing to do with flashing my G3, but a 10 year old laptop got the job done without any hesitation.
Here's the guide i used to unbrick my phone, like i said other then the PC i was trying to use this worked perfect.
http://www.androidrootz.com/2014/07/how-to-unroot-lg-g3-all-variants.html
Here's a list of things you can try:
1. Try different usb ports on your PC, try using the usb ports on the back of your computer, they are the most reliable.
2. Try a differnt usb cable.
3. Make sure you have the correct driver, You should be using the LGUnitedMobileDriver
4. Try a different computer to flash all together.

My d855 is dead. I try to pass flash Tool with TOT and DLL and have the message: download fail
Can´t enter in download mode, TWRP, nothing.....
Help!!!!!

alemones said:
My d855 is dead. I try to pass flash Tool with TOT and DLL and have the message: download fail
Can´t enter in download mode, TWRP, nothing.....
Help!!!!!
Click to expand...
Click to collapse
If it is completly hard bricked try this => http://open-freax.fr/guide-unbrick-your-lg-g3/
I know there's one on xda too, but in my opinion this one is easier to follow and easier to understand.
If you'd like to check the xda one out too, here it is => http://forum.xda-developers.com/sprint-lg-g3/general/guide-fix-hard-brick-recovery-guide-t3132359

The download is corrupted and other is off

Hard Bricked D850PR

So the story goes as this:
ATT G3 accidentally flashed a D851 rom... phone rebooted now its a hard brick
I have tried every method to restore it to stock (lg flashtool 2014 and old flash tool method, tried enter TWRP nothing happened)
My phone is detected as it were in Download mode, but it doesnt let me flash anything.
I downloaded the "generic" LGUP8794.dll and tried to flash stock D850 and stock D851, jeez I even tried to flash LS990 stock rom... same error every time.
Downloaded stock D850PR20A_01.kdz and tried to flash it through Flashtool 2014 and just getting error...
I'm really out of options now.
I dont have warranty so its out of question the "return my phone" thing.
Thanks in advance for any reply or suggestion.
PD: I get no "QHUSB" or "fastboot" mode either.

Try using a different usb port. LG flash tool hates USB 3.0 so use USB 2.0

speedyjay said:
Try using a different usb port. LG flash tool hates USB 3.0 so use USB 2.0
Click to expand...
Click to collapse
I have tried with 3 different computers, one with XP, Win7 and win8.1
I never use USB3.0 unless its with a memory stick

Can you go into download mode??
Sent from my SM-N910F using XDA Free mobile app

No, No Download mode, but my phone is connected as it were in download mode.
My screen is good, I know cuz when i connect the usb without battery it lights up and shows an image of "missing batt"
No TWRP either

Any update on this? I just rooted my D850PR and then used AutoREC to install TWRP, then I turned it off to reboot but it never booted...it also lights up the display when connecting the USB cable without the battery but that's all it does

gretschpr said:
Any update on this? I just rooted my D850PR and then used AutoREC to install TWRP, then I turned it off to reboot but it never booted...it also lights up the display when connecting the USB cable without the battery but that's all it does
Click to expand...
Click to collapse
Dos your computer recognize the phone as qhsusb_bulk?
Sent from my SM-G925T using Tapatalk

i cant believe there is no clear solution for the LG G3 brick.

There is a solution
I have faced this issue with my LS990. accidentally flashed D855 ROM then bricked. THere is a unbricking method which is very hard and you have to do it with patience.
Try this
http://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091
You might want to short 2 pins of G3 motherboard. message me if this method didn't work.
Good luck matehttp://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091

I had that problem, flashed d855 rom on a d850pr, and it went into bootloop, but I just went into recovery, flashed a D850 rom and everything worked fine. I did have your problem once, but with a LG Optimus L2, I tried on windows 8 and 7 but the LGflashtool always stop with errors, until I tried on XP, i could restore it. (sorry for the english)

Fixed hard brick LG G3
This post fix my hard brick problem with LG G3 D850PR:
https://forum.xda-developers.com/att-lg-g3/general/downgrade-lg-g3-d850-to-kit-kat-t3437524
The files I used:
https://dl.xda-developers.com/3/5/0/4/2/8/9/LGUP8974.zip?key=FPUbu3eormslai-eelpOBw&ts=1499518278
http://qc2.androidfilehost.com/dl/d...IN_LGD850AT-01-V10d-310-410-JUN-19-2014-0.zip
http://qc1.androidfilehost.com/dl/c...8065/95916177934528569/Setup_LGFlashTool.zip?

D855 MM Stuck at TWRP after flashing KDZ with LGUP

I dont understand why this happens because i follow the rules exactly.
I was using MM with TWRP+Root.(Not kingroot or other, just SuperSu 2.52) I was flashed .zip file from Xda. I mean i was using L and after that .zip files pops out for MM, i just simply flash the MM zip file and got it worked.
After flashing kdz file with LGUP now my phone stuck at twrp. Now i stuck at twrp. I tried to restore my backup on external_sd but didn't work either. Any ideas?

LG Up can't wipe twrp , so tried flashing again with LG Flashtool with lastest driver.

fOxunO said:
LG Up can't wipe twrp , so tried flashing again with LG Flashtool with lastest driver.
Click to expand...
Click to collapse
I was trying this but Lg Flash Tool Stuck at %60. I was not update LG Drivers maybe because of this. I dont know what to do now. What must i have to do?
http://i65.tinypic.com/2u4op37.jpg
Phone shows nothing but %0
Afterr battery pull and restarting the process with new drivers, now LG Mobile Support Tool says device is disconnected. I'm confused.

okanb3 said:
I was trying this but Lg Flash Tool Stuck at %60. I was not update LG Drivers maybe because of this. I dont know what to do now. What must i have to do?
http://i65.tinypic.com/2u4op37.jpg
Phone shows nothing but %0
Afterr battery pull and restarting the process with new drivers, now LG Mobile Support Tool says device is disconnected. I'm confused.
Click to expand...
Click to collapse
I had same problem with it being stuck at 60% what I did was not to press cancel or unplug but pressed retry and it worked. Also change the language to English and the question marks will disappear.
As for the device disconnected issue i'm not sure how to solve that one you could try running flashtool in windows 7 compatible mode.

okanb3 said:
I was trying this but Lg Flash Tool Stuck at %60. I was not update LG Drivers maybe because of this. I dont know what to do now. What must i have to do?
http://i65.tinypic.com/2u4op37.jpg
Click to expand...
Click to collapse
When can't go , I choose phonediag to CSEmergency flashing can finished.
I have use CSEmergency 3 times sucsessfully with CSE Flash and newest driver.

Solved my problem. The problem was using LGUP firmware to go back to stock. LGUP Doesnt work if you had root+twrp. Flashed kdz using the Lg Flash Tool 2014 ( I had really more problems when doing this but i made it.) Phone back to normal.

LG G3 stopped working after installing recovery

Today I was trying to install a custom rom, but I messed it up and had to reset it to stock rom.
After that I reseted it back to stock rom, I rooted my phone with Kingroot and used this app: https://play.google.com/store/apps/details?id=b007.autorecd855 to install recovery. After that I powered off my phone and now it won't turn on. Already removed battery a plenty of times, when putting in the charger nothing happens, pc won't see it also.
The only moment when my phone lights up is when I remove my battery and put it in the charger, then it basically says that it's charging but with no battery in it. Also when removing the battery and connecting to my pc it only sees it as a unrecognizable device.
Suggestions on what I can do? IF not, poor me, gonna buy a new smartphone then.
Btw, I still have some garanty. Maybe it's worth sending it to the support services.
Extra info:
g3 d855

You used wrong autorec install LP recovery to MM. Download MM version autorec from LG G3 Xda forum. Try flash back to stock or something else. Instructions are in LG G3 Xda forum if you search more. Sorry.

pjadec said:
You used wrong autorec install LP recovery to MM. Download MM version autorec from LG G3 Xda forum. Try flash back to stock or something else. Instructions are in LG G3 Xda forum if you search more. Sorry.
Click to expand...
Click to collapse
Hmm, I was really sure that I used the right one.
Anyway, how can I flash it again if I can't even get the lg logo to show, neither get him in download mode or that my pc recognises him?
Btw, I still have some garanty. Maybe it's worth sending it to lg.

If you have no access to any recovery mode, Fastboot or download mode.then use the method of Qualcomm 9008.btw your warranty is void because you have rooted device and messed with it.

RobinHood_3 said:
Hmm, I was really sure that I used the right one.
Anyway, how can I flash it again if I can't even get the lg logo to show, neither get him in download mode or that my pc recognises him?
Btw, I still have some garanty. Maybe it's worth sending it to lg.
Click to expand...
Click to collapse
I also had same issue and I'm also sure that I used the correct Autorec version.
I sent the phone to LG because the warranty is still valid.

I know how to fix this
RobinHood_3 said:
Today I was trying to install a custom rom, but I messed it up and had to reset it to stock rom.
After that I reseted it back to stock rom, I rooted my phone with Kingroot and used this app: https://play.google.com/store/apps/details?id=b007.autorecd855 to install recovery. After that I powered off my phone and now it won't turn on. Already removed battery a plenty of times, when putting in the charger nothing happens, pc won't see it also.
The only moment when my phone lights up is when I remove my battery and put it in the charger, then it basically says that it's charging but with no battery in it. Also when removing the battery and connecting to my pc it only sees it as a unrecognizable device.
Suggestions on what I can do? IF not, poor me, gonna buy a new smartphone then.
Btw, I still have some garanty. Maybe it's worth sending it to the support services.
Extra info:
g3 d855
Click to expand...
Click to collapse
i remember after 1 day of having this phone this happened this was likely caused by having the latest boot loader i remember this because i fresh installed the marshmallow kdz after that i installed autorec mm it told me to restart and my phone died there, however after spending 8 hours straight i found a solution the smart boot diagnostics tool can write an older version of the boot loader understand that your phone must be in the qdloader9008 mode, if your PC doesn't detect the phone make sure you install the drivers in the zip from the download install the 32 bit if on 32 bit system or install 64 bit on 64 bit system. Hey if you need assistance on doing this Download team viewer and i'll be more than welcome to help unbrick our d855
http://www.4shared.com/postDownload/jACBEo-zba/SmartBootDiagv131_Oversea_SVC_.html

LG G4 Stuck In Firmware Update - Stock Reset?

Hi, recently decided to reset my phone back to stock as I had some trouble with a few programs after resetting my phone. I tried factory reset but the programs didn't work so I decided I would try to just restore to stock and start fresh. I followed a guide on how to do the stock restore using LGUP/LG Flash Tool. I followed the guide and put the KDZ File into the program and pressed cse flash. The program worked till around 12% then it got stuck and just didn't work anymore. It said error so I kept trying over and over as some guides on this problem said to keep trying.
Nothing has happened and my phone is now stuck on firmware update screen. I have taken the battery out multiple times and replaced it back in and turned the phone on but it automatically goes to that screen after showing the lg logo. I have tried the volume down and power button factory reset but that doesn't work and tried getting onto download screen if that was any help but couldn't do that either. Now I'm stuck here... Any help? Don't have any other phone and can't afford to get a new one so I would like to try fix this anyway possible.
After failing the flash update thing the program says failed my phone says 0%. It went to 1% once and then just went back to 0% after it didn't work. So don't know if it's been changed in anyway. All help appreciated.

Did you have LG up set at refurbish or upgrade.....

stinka318 said:
Did you have LG up set at refurbish or upgrade.....
Click to expand...
Click to collapse
I did refurbish first as I wanted to start new and it didn't work even though I did it a few times. I tried upgrade after and still nothing. Also have tried Uppercut and that does the same as normal LGUP.
The furthest % it got to was 19 on the computer and 8 on the phone and then it just stopped again. It usually stays between 11-19%. But most of the time 11%-16%

Have you made sure that it is the right region......
Try to down load just tot file and try that....

stinka318 said:
Have you made sure that it is the right region......
Try to down load just tot file and try that....
Click to expand...
Click to collapse
Where would the TOT files be? Can't seem to find any for LG H815 v20i ?
And what program should I use to do it?

Janny1993 said:
Where would the TOT files be? Can't seem to find any for LG H815 v20i ?
And what program should I use to do it?
Click to expand...
Click to collapse
This may help...........
http://storagecow.eu/index.php?dir=Xda/LG+G4/
If that don't work try this..........
https://forum.xda-developers.com/g4/orig-development/bl-lock-ul-android-6-0-marshmallow-t3459260