Hey guys, just want to root my LG G3 (never rooted before) these day but failed for many ways. But computer said the MTP is not working while I entered download mode (code 10 error). I have tried a lot of way to solve the problem but still not success. Mine is in 5.0 with software version V21A. Someone told me V21A is unable to root. Is there any solution to it? Wanna downgrade back to kitkat cuz 5.0 drains battery in really a short period of time.
Hi, be sure to install the right mtp drivers for your phone. Do a quick web search on that. Also, disable any antivirus on your phone and make sure that you use the right usb cable. Some usb cables are not designed for data transfer - just for charging. The stock cable should work.
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Hi there,
i rooted my G3 using Towelroot and all worked fine.
Today i installed the actual Version Xposed Framework and after rebooting it entered a Bootloop.
So i tried to Hard Reset my G3 but when i confirm it the Android with the Gaers show up for a second and then my G3 keeps showing the LG Logo for a few Minutes till i disassamble the Battery.
Next step i try is to flash a firmware in Download mode, but i cant get the Drivers to work... =(
Someone have some hints for me?
patrickn2282 said:
Hi there,
i rooted my G3 using Towelroot and all worked fine.
Today i installed the actual Version Xposed Framework and after rebooting it entered a Bootloop.
So i tried to Hard Reset my G3 but when i confirm it the Android with the Gaers show up for a second and then my G3 keeps showing the LG Logo for a few Minutes till i disassamble the Battery.
Next step i try is to flash a firmware in Download mode, but i cant get the Drivers to work... =(
Someone have some hints for me?
Click to expand...
Click to collapse
Have you choosen ART modality?
If i would say "what the hell is that" ... would u slap me?
No.. i dont have chosen that..
Bigger problem is that i dont get any usb driver working for firmware update in Download mode.. =(
OK... i managed to get the drivers working.
But further Problem ist now that im not able to flash anything on my device...
Neither the TOT Method, nor updating with the Original LG Support Tool is working...
Support Tool tells me my Model Number and that my Version is most actual.
If i update anyway it stucks at 4% and tell me it cant connect.
TOT Tool tells me that my Version Number is not correct... but it is..
With the KDZ Update Tool it stucks at 4% like the Original method.
Same problem here
Any one can help us?
Solution
Hi there,
the Problem was my PC...
I was on a Windows 8.1 64bit.
Switched to a Win7-PC and all is working fine.
You should try to use the Original LG cable, or another "Original" Cable and connect it to a USB-Port on the Back of your PC (directly to the Mainboard)
On a blank Win 7:
- I installed the LG PC Suite
- Updated the PC Suite
- Connected my LG in Download Mode
- Let the PC install all drivers,
- Disconnected the Phone
- Downloaded the actual LG Mobile Support Tool
- Let the Support tool do the work
After this i got my first OTA Update and its working like a charme
yesterday i rooted my s4 mini (Stock Kitkat 4.4.2) using CF-Auto root method.
But now i observed that mtp mode is not working.........i tried everything like, reinstalling every single pc drivers even kies, also i unrooted and flashed to totally official firmware again using odin........but still my problem is not solved.......plzz help me guys
also my data cable is fine...........it starts charging but my drive is not shown in my computer.
i tried on different laptops also win7/8
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?
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
Hi everyone! First i'd like to apologize for any english mistakes, since i'm brazillian! Here's the thing... Recently, i`ve updated my LG G3 with a 6.0 Marshmallow rom (from lg-roms website), and after some tests, i've decided to go back to 5.0 Lollipop. But here's the problem: when i tried to load the new room via lg flash tool, i get some errors, saying that my phone is not connected (just when i'm in the download mode). When i try to flash with the phone on, the lg flash tool recognizes him, begins the installation and reboots the fone to the download mode, but when the download mode initializes, the software shows the same message (that he is not connected). Also, i`ve tried to root the phone with kingroot (a bunch of versions) and i never get succesful. Can anyone help me with a solution so i can go back to 5.0?
Thank you gustavorossy for your post,
Same problem here. In addition, to make the phone recognize the pluged usb, I have to :
1- turn it off
2- plug the usb cable
3- turn it on with the cable pluged
Otherwise, if I turn it on without the cable pluged, or if it reboots during utilization, the phone don't detect the charger nor the PC or any other connection, till I follow the steps above. So it makes it impossible to go stock for exemple.
Except it, everything is working well and I tried to install various custom ROMs none of them fixed the problem.
Thanks a lot for any help.