LG G2 keeps rebooting - G2 Q&A, Help & Troubleshooting

Hello,
I just wanted to unroot my G2 and install the original ROM but unfortunately after installing the ROM the mobile didn't work and if I power it on it will keep rebooting after showing the LG logo, I can't enter the recovery mode or anything even the computer doesn't recognize it
Please help me as soon as you can
Many many thanks

try to flash Stock rom again if you can enter to download mode

dodora3d said:
try to flash Stock rom again if you can enter to download mode
Click to expand...
Click to collapse
Thanks for your reply
The computer doesn't recognize the mobile

deut857 said:
Thanks for your reply
The computer doesn't recognize the mobile
Click to expand...
Click to collapse
do you try ADB push ?

dodora3d said:
do you try ADB push ?
Click to expand...
Click to collapse
Yes, but the computer doesn't recognize the mobile so how can I connect it and use the ADB push?

Related

LG G2 Specific Brick

Hey Smartphone Guys,
i have a big problem with my brand new (last saturday) LG G2 (Germany).
IT´s only rooted with installed stock romand i have flashed CWM Recovery.
Yesterday i got a notification that i have an update for Browser App. i touch on it and a message told me that the phone will reboot.
Recovery Boots and only recovery. i have restore my backup image with cwm. No fix with this. I have done hard reset, no fix with this.
I cannot enter Download Mode by pressing and holding Volume Up and pluging in usb cable. i have tryed do hold down volume up and down, no enter to download mode.
Important for me is to unroot my phone for waranty.
Please help me.
You also have to press the power button not just the volume up see here:
http://forum.xda-developers.com/showthread.php?t=2449670
Sent from my VS980 4G using Tapatalk
sumalia said:
Hey Smartphone Guys,
i have a big problem with my brand new (last saturday) LG G2 (Germany).
IT´s only rooted with installed stock romand i have flashed CWM Recovery.
Yesterday i got a notification that i have an update for Browser App. i touch on it and a message told me that the phone will reboot.
Recovery Boots and only recovery. i have restore my backup image with cwm. No fix with this. I have done hard reset, no fix with this.
I cannot enter Download Mode by pressing and holding Volume Up and pluging in usb cable. i have tryed do hold down volume up and down, no enter to download mode.
Important for me is to unroot my phone for waranty.
Please help me.
Click to expand...
Click to collapse
This is exactly what happened to me a few days ago. Bloody update! As a consequence I lost my root byhard resetting and apparently no debug either. I am trying to communicate with my device through adb. But because of no-root nor debug I have no way to do so. Anyhelp will be greatly appreciated.
comk4ver said:
You also have to press the power button not just the volume up see here:
http://forum.xda-developers.com/showthread.php?t=2449670
Sent from my VS980 4G using Tapatalk
Click to expand...
Click to collapse
I think the problem is the USB Driver? Can i enter download mode without correct drivers?
Windows Device Manager says the driver cannot be installed Code 28.
Iam using Windows 8.0 x64
Luvsa Dawagiv said:
This is exactly what happened to me a few days ago. Bloody update! As a consequence I lost my root byhard resetting and apparently no debug either. I am trying to communicate with my device through adb. But because of no-root nor debug I have no way to do so. Anyhelp will be greatly appreciated.
Click to expand...
Click to collapse
My solution (iam very happy my phone is alive since 10 seconds): https://github.com/koush/UniversalAdbDriver
Install this and you have access via adb than you this thread: http://forum.xda-developers.com/showthread.php?t=2451696
sumalia said:
My solution (iam very happy my phone is alive since 10 seconds): https://github.com/koush/UniversalAdbDriver
Install this and you have access via adb than you this thread: http://forum.xda-developers.com/showthread.php?t=2451696
Click to expand...
Click to collapse
Intried Koush driver to. Did not help!
Luvsa Dawagiv said:
Intried Koush driver to. Did not help!
Click to expand...
Click to collapse
Do you use WIN 8?
Maybe try to deinstall all drivers, delete D802 in Device Manager and than install only the linked driver.
sumalia said:
Do you use WIN 8?
Maybe try to deinstall all drivers, delete D802 in Device Manager and than install only the linked driver.
Click to expand...
Click to collapse
I am using Win8.
longrre deep
Luvsa Dawagiv said:
I am using Win8.
Click to expand...
Click to collapse
I have installed Windows 7 after many trys. Maybe try to install 7 and use the drivers.
sumalia said:
I have installed Windows 7 after many trys. Maybe try to install 7 and use the drivers.
Click to expand...
Click to collapse
It doe not seem to be with the computer. I tried both. Connection of both seems OK. Because whenever I enter adb devices in platform-tools, the serial number shows up. But I think it is to do with my device which does not have root and debug is off. Whenever I write 'adb sideload TWRP.zip it says, it does not recognize 'sideload'.

[Q] LG D802 download mode

my Lg D802 is running on Android 4.2.2 and rooted and have TWRP
i have received an update 4.4.2 from LG but when it reboot to install the update it goes to TWRP
i cannot go to download mode when i press Volume up and power it goes to TWRP mode
what i can do ? please help me
eldode said:
my Lg D802 is running on Android 4.2.2 and rooted and have TWRP
i have received an update 4.4.2 from LG but when it reboot to install the update it goes to TWRP
i cannot go to download mode when i press Volume up and power it goes to TWRP mode
what i can do ? please help me
Click to expand...
Click to collapse
Use lg pc suite.
bobsie41 said:
Use lg pc suite.
Click to expand...
Click to collapse
when i power the device up it goes to TWRP only
eldode said:
when i power the device up it goes to TWRP only
Click to expand...
Click to collapse
Have you tried to see if the LG pc suite recognises it?..and have you tried rebooting from TWRP with the suit running?
You are definitely not the first person to have this problem as I have seen it many times on here. As for the solution, a search on here will help you as there is one but I haven't time to search myself at the moment.
bobsie41 said:
Have you tried to see if the LG pc suite recognises it?..and have you tried rebooting from TWRP with the suit running?
You are definitely not the first person to have this problem as I have seen it many times on here. As for the solution, a search on here will help you as there is one but I haven't time to search myself at the moment.
Click to expand...
Click to collapse
it's not recognized by LG pc suit
every time i restart it it goes to TWRP only
Any Solution ?
You have to install a rom first.
Sent from my LG-D802 using xda app-developers app
eldode said:
it's not recognized by LG pc suit
every time i restart it it goes to TWRP only
Any Solution ?
Click to expand...
Click to collapse
Search for instructions for sideloading a rom to your device (any rom that is suitable for your device) then flash it with TWRP. Once you get it booted, you can install the kitkat that you where offered using the LG pc suite.
EDIT http://forum.xda-developers.com/showthread.php?t=2451696
bobsie41 said:
Search for instructions for sideloading a rom to your device (any rom that is suitable for your device) then flash it with TWRP. Once you get it booted, you can install the kitkat that you where offered using the LG pc suite.
EDIT http://forum.xda-developers.com/showthread.php?t=2451696
Click to expand...
Click to collapse
Thanks alot it works for me and i have restored stock version

[Q] LG G2 won't enter in download mode

Hello, I am trying to get back to stock but for some reason my phone won't boot in download more anymore. It stucks at this step -> see attached photo
Are you connected to a computer or charging we with the cable? Just to cross off one thing.
Sent from my LG-D802 using Tapatalk
waz675 said:
Are you connected to a computer or charging we with the cable? Just to cross off one thing.
Sent from my LG-D802 using Tapatalk
Click to expand...
Click to collapse
We are in the same situation... if someone can help us
http://forum.xda-developers.com/show....php?t=2710034
http://forum.xda-developers.com/showthread.php?t=2706225
Thanks
No, the phone was connected to the computer
S0wL said:
No, the phone was connected to the computer
Click to expand...
Click to collapse
if you can go to recovery (custom or stock)
it can help you
Code:
http://forum.xda-developers.com/showthread.php?t=2694530
S0wL said:
No, the phone was connected to the computer
Click to expand...
Click to collapse
Did you install any recovery module like CWM or TWRP on the mobile. I faced the same situation and I was able to recover my phone using TWRD and ADB consoles. I will be able to help you if you have installed any one of these.
Thanks.
ravi.ameer said:
Did you install any recovery module like CWM or TWRP on the mobile. I faced the same situation and I was able to recover my phone using TWRD and ADB consoles. I will be able to help you if you have installed any one of these.
Thanks.
Click to expand...
Click to collapse
I'm in the same situation with TWRP :good:
profesy said:
I'm in the same situation with TWRP :good:
Click to expand...
Click to collapse
Only one question,
Do you have any ROM installed currently or stuck without any rom. Like boot loop and secure boot issue etc.
If you have TWRP at least installed on your device, you may use "adb push xxxx.zip /sdcard/xxxx.zip" command if the device is discoverable in "adb discover" command. You may follow the guide here "http://www.droidviews.com/android-4-4-2-kitkat-rom-on-lg-g2-d802-install-twrp/"
If you are able to boot in X rom you may use this guide to shine yourself in stock rom
"http://forum.xda-developers.com/showthread.php?t=2432476&highlight=remove+root+status"
Thanks!
ravi.ameer said:
Only one question,
Do you have any ROM installed currently or stuck without any rom. Like boot loop and secure boot issue etc.
If you have TWRP at least installed on your device, you may use "adb push xxxx.zip /sdcard/xxxx.zip" command if the device is discoverable in "adb discover" command. You may follow the guide here "http://www.droidviews.com/android-4-4-2-kitkat-rom-on-lg-g2-d802-install-twrp/"
If you are able to boot in X rom you may use this guide to shine yourself in stock rom
"http://forum.xda-developers.com/showthread.php?t=2432476&highlight=remove+root+status"
Thanks!
Click to expand...
Click to collapse
I have recovery and a booting rom, the smartphone it's all ok but don't go in download mode (see image above), and i can't see it with the pc in usb, i can't use this guide because i can't enter in the dowload mode and the pc both donwload mode and normal boot don't see the smartphone
S0wL said:
Hello, I am trying to get back to stock but for some reason my phone won't boot in download more anymore. It stucks at this step -> see attached photo
Click to expand...
Click to collapse
Try this http://forum.xda-developers.com/showthread.php?p=51693321#post51693321
I got the same problem and got the download mode after that. Good luck !
profesy said:
I have recovery and a booting rom, the smartphone it's all ok but don't go in download mode (see image above), and i can't see it with the pc in usb, i can't use this guide because i can't enter in the dowload mode and the pc both donwload mode and normal boot don't see the smartphone
Click to expand...
Click to collapse
Firstly you may not go do download mode for flashing factory rom. You can do the same even from recovery. However, the guide in http://forum.xda-developers.com/showthread.php?p=51693321#post51693321 seems working for many. You may give that a try.
Thanks.
Sangoku91 said:
Try this http://forum.xda-developers.com/showthread.php?p=51693321#post51693321
I got the same problem and got the download mode after that. Good luck !
Click to expand...
Click to collapse
Thx to all man, this fix the problem. Many many thx to all
Worked ! Thanks, finally got to stock android.
Hi.I can not go to downloading mod on my lg g2.I tried using v+ and connecting to pc.It goes to charging mod and nothing happen.
As you said I went to recovery mod but there is not any advance selection.
plz help me
did donwload mode work ?
zaker.khafan1 said:
Hi.I can not go to downloading mod on my lg g2.I tried using v+ and connecting to pc.It goes to charging mod and nothing happen.
As you said I went to recovery mod but there is not any advance selection.
plz help me
Click to expand...
Click to collapse
Did u get it work?
I have a similar problem, my sprint G2 says download mode when vol up+ cable, but doesn't go all the way into download mode just the initial screen. And normal boot results in being stuck on LG logo forever.

[Q] L01F no download mode, no usb reading.

Hello. Please help me. I have a Japanese version of G2 (L-01F - DoCoMo) and i tried to flash an european version of kitkat because i couldn't update in OTA. Now the phone is bricked, it is bootlooping, the Download Mode doesn't work, it shows a few of blue dots and it stays there (the phone can't be recognized on PC using the USB cable). I can enter the Recovery Mode (the grey screen with LG logo) where the phone can be read by PC and using ADB tool is shown as "recovery". I can't use fastboot.exe because the device is not being recognized. What can i do? Thank you very much. 
unkn0wn68 said:
Hello. Please help me. I have a Japanese version of G2 (L-01F - DoCoMo) and i tried to flash an european version of kitkat because i couldn't update in OTA. Now the phone is bricked, it is bootlooping, the Download Mode doesn't work, it shows a few of blue dots and it stays there (the phone can't be recognized on PC using the USB cable). I can enter the Recovery Mode (the grey screen with LG logo) where the phone can be read by PC and using ADB tool is shown as "recovery". I can't use fastboot.exe because the device is not being recognized. What can i do? Thank you very much. 
Click to expand...
Click to collapse
Can someone help me please ?
unkn0wn68 said:
Can someone help me please ?
Click to expand...
Click to collapse
I have the same problem. Please tell me if you can fix it.
http://forum.xda-developers.com/lg-g2/help/device-conecting-to-pc-download-mode-t2996249
ronen1n said:
I have the same problem. Please tell me if you can fix it.
http://forum.xda-developers.com/lg-g2/help/device-conecting-to-pc-download-mode-t2996249
Click to expand...
Click to collapse
Actually i'm trying to repair it since October 2014. No-one knows the solution. I went to 3 different GSM Services and they don't know what to do...
So...when i'm trying to put it in download mode it stays like this and the PC doesn't recognize it.
The only way to connect the phone to the computer is to put it in recovery mode (Backup & Restore) by holding Volume Up and Power Button at the same time with the phone turned off. It should appear something like this. The PC recognizes the phone but only in ADB. Look.
The third possible screen, which also is useless is this by typing in the CMD the following: "adb reboot recovery" (click). Here, the PC doesn't recognize the phone too.
Fastboot doesn't work.
And that's my problem. I don't know what to do.
unkn0wn68 said:
The PC recognizes the phone but only in ADB. Look.
Click to expand...
Click to collapse
If there are any custom roms that will run on your phone, adb push it to the sdcard and flash in TWRP.
iowabowtech said:
If there are any custom roms that will run on your phone, adb push it to the sdcard and flash in TWRP.
Click to expand...
Click to collapse
I have permission problems...
unkn0wn68 said:
I have permission problems...
Click to expand...
Click to collapse
?
Your screenshot above shows the device being recognized via adb in recovery. What permission problems?

G2 Super brick

Hi i installed twrp and now im stuck at black screen with back light. i have no access to download mode neither recovery. windows and linux regonices some of phone but no adb connection.
Do i have any chances to get it working? There is not even LG logo
Try to connect phone while running Ubuntu on your PC.
forumber2 said:
Try to connect phone while running Ubuntu on your PC.
Click to expand...
Click to collapse
Yeah i tried but it tries to mount weird partitions of phone but fails every time.
tried adb shell but it cant find any devices
Filpus said:
Yeah i tried but it tries to mount weird partitions of phone but fails every time.
tried adb shell but it cant find any devices
Click to expand...
Click to collapse
You need flash required partitions (like aboot and laf) to boot phone to download mod. Then, you can install stock ROM from LG Mobile Support Tool.
You should take a look at here;
http://forum.xda-developers.com/showthread.php?t=2582142
Edit 2 : well i got to the twrp and my phone is saved! thanks man
Edit: i have download mode hurray!
Thanks man now i have lg logo but no download mode! what i should do next?
Ok am i screwed i have not any working rom and Twrp have no root acess?
how i recover stock if windows wont reqonize phone with right drivers?

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