Lg g2 stuck on firmware update - G2 Q&A, Help & Troubleshooting

When I boot the phone it goes right to firmware update screen. It won't show up as any comports anymore. Please tell me there is a fix?

jbabio said:
When I boot the phone it goes right to firmware update screen. It won't show up as any comports anymore. Please tell me there is a fix?
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Do you have a custom recovery installed?
Sent from my LS980 running PA 4.4.4 KitKat using Tapatalk???

same problem
I have the same problem. my lg g2 Verizon version got bricked flashing cloudy rom. I have TWRP

Related

[Q] LG G2 wrong rom

I flashed wrong rom on my AT&T LG G2 so whem i use LGFLASH Tool to go back to stock it tells me wrong model number cause is tellin me my model number is D802 but the stock rom is D800 so I dont know what to do please help.. thanks advance..
Restore a backup made while on an 800 rom or flash a Tom through recovery made for the 800. You could also use an app like rom toolbox to edit the build prop to read D800.
bps119 said:
Restore a backup made while on an 800 rom or flash a Tom through recovery made for the 800. You could also use an app like rom toolbox to edit the build prop to read D800.
Click to expand...
Click to collapse
I cant restore i did a data reset so phone is no longer rooted and is hard to reroot since I cant get into developers options..I can get into download mode and use flash tool, but theres no at&t kdz roms they all zips..
How is it people never look in the stickies.
http://forum.xda-developers.com/showthread.php?t=2432476
Sent from my LG-D800 using XDA Premium HD app
Intub8 said:
How is it people never look in the stickies.
http://forum.xda-developers.com/showthread.php?t=2432476
Sent from my LG-D800 using XDA Premium HD app
Click to expand...
Click to collapse
I did that and it teels me wrong model number thats what i been trying to do..
I'm having a similar problem to yours:
http://forum.xda-developers.com/showthread.php?p=47610546#post47610546
does your touch screen work properly?
do you get random reboots?
I have this problem also same as bori22
bori22 said:
I flashed wrong rom on my AT&T LG G2 so whem i use LGFLASH Tool to go back to stock it tells me wrong model number cause is tellin me my model number is D802 but the stock rom is D800 so I dont know what to do please help.. thanks advance..
Click to expand...
Click to collapse
Are you using a D802 stock ROM to flash your phone back?
Where did you get your stock ROM from?
bori22 said:
I flashed wrong rom on my AT&T LG G2 so whem i use LGFLASH Tool to go back to stock it tells me wrong model number cause is tellin me my model number is D802 but the stock rom is D800 so I dont know what to do please help.. thanks advance..
Click to expand...
Click to collapse
Try to adb sideload a ROM for the D800 (CleanROM is pretty close to stock without all the bloatware).
I have the same problem and have not been able to resolve it. Any update on how your problem was fixed?
HELP!!!!!!!
we have basically the same problem, except i flashed a L01f rom instead of d802. I am stuck in download mode(no recovery or fastboot or adb & will not boot rom). When i try to flash back to stock it says wrong model( i have the d800 and am using the d800 dll & tot file). My device is coming up as an L01f on lg flash tool and download mode.... someone help it is a d800 att.
Try using the .dll found at http://forum.xda-developers.com/attachment.php?attachmentid=2473543&d=1387955530
Just flash your phone like you normally would, except you use the .dll linked above instead. Apparently the DLL linked above is a general LG G2 DLL that works for all models.
Note: When I flashed my phone, LG FlashTool gave me an error at the end of the flash process, but the flash was still successful.

[Q] Getting a bootloop after flashing cm11

Hello everybody
I've tried to flash CM11 on my device (LS980) but i'm getting into a bootloop everytime i try to.
I downloaded the latest nightly version from their site and tried to flash it using TWRP after i wiped, but i'm just getting into bootloop with LG logo flashing on and on.
Already restored from a backup but i still want to install the CM11 on my device, does anybody have a solution for that?
Thanks
gal_b said:
Hello everybody
I've tried to flash CM11 on my device (LS980) but i'm getting into a bootloop everytime i try to.
I downloaded the latest nightly version from their site and tried to flash it using TWRP after i wiped, but i'm just getting into bootloop with LG logo flashing on and on.
Already restored from a backup but i still want to install the CM11 on my device, does anybody have a solution for that?
Thanks
Click to expand...
Click to collapse
Hello[emoji4], this same issue happened to me too, you'll have to flash the ZV8 Modem for the LS980, here's a link to help you.[emoji4]
http://forum.xda-developers.com/showthread.php?p=45753999
Good Luck[emoji106]
Sent from my LG-LS980 using Tapatalk
TechGirl90 said:
Hello[emoji4], this same issue happened to me too, you'll have to flash the ZV8 Modem for the LS980, here's a link to help you.[emoji4]
http://forum.xda-developers.com/showthread.php?p=45753999
Good Luck[emoji106]
Sent from my LG-LS980 using Tapatalk
Click to expand...
Click to collapse
Yeahhhhhh it worked out for me!!! Thank you very much!
gal_b said:
Yeahhhhhh it worked out for me!!! Thank you very much!
Click to expand...
Click to collapse
No Problem[emoji4][emoji4], glad it worked for you[emoji4][emoji4]
Quick Reminder: if you ever miss the LG Stock Rom and want to go back to that Rom, make sure to restore your backup in recovery mode, and also be sure to flash the ZVC Modem after restoring your backup, or else you'll be stuck in a frozen Sprint Spark Logo.[emoji106][emoji4]
Sent from my LG-LS980 using Tapatalk

[q] lg g2 f320 stuck at lg logo..

Hi everyone..
Firstly i did rooting and applied g3 rom over stock room and kept my nandroid backup in twrp...After that when i tried to recover my stock rom using twrp backup it stuck at lg logo and doesnt goes further...i did try flashing the stock rom from this site using flash tool but it didn't worked..Can any one help me out from this problem?
Malik93 said:
Hi everyone..
Firstly i did rooting and applied g3 rom over stock room and kept my nandroid backup in twrp...After that when i tried to recover my stock rom using twrp backup it stuck at lg logo and doesnt goes further...i did try flashing the stock rom from this site using flash tool but it didn't worked..Can any one help me out from this problem?
Click to expand...
Click to collapse
hello..did you repair your phone ?..i have same problem ..but never repair ..still on lg logo
jaaa1976 said:
hello..did you repair your phone ?..i have same problem ..but never repair ..still on lg logo
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yeah brother i got it repaired..
Malik93 said:
yeah brother i got it repaired..
Click to expand...
Click to collapse
can u tell me whats was problem ?
jaaa1976 said:
can u tell me whats was problem ?
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Click to collapse
Brother The main problem was that i rooted my device and installed custom rom lg g3 cloudy using twrp project auto recovery but after that when i did try to recover my nandroid backup of kitkat my g2 stucked at boot loop ...when i asked the experts at shop ,they told me that once we root the mobile we cannot recover data again but can overwrite new rom. Because rooting destroys recovery file..I dont know if he was right or not..
Malik93 said:
Brother The main problem was that i rooted my device and installed custom rom lg g3 cloudy using twrp project auto recovery but after that when i did try to recover my nandroid backup of kitkat my g2 stucked at boot loop ...when i asked the experts at shop ,they told me that once we root the mobile we cannot recover data again but can overwrite new rom. Because rooting destroys recovery file..I dont know if he was right or not..
Click to expand...
Click to collapse
ok.. I think my problem is in hardware ..flashing stock rom didnt help.
jaaa1976 said:
ok.. I think my problem is in hardware ..flashing stock rom didnt help.
Click to expand...
Click to collapse
right..

[Q] LG G2(D802) Bricked after Flashing Lollipop(D80230d_00.Kdz)

Hey
I want some info about upgrading to lollipop can cause any damage to Lg g2.?
Can i update LG g2 To lollipop D80230d?
Any issue to update on refurbished LG g2 D802 International version.
Thank you
You need to get into download mode. Keep trying until you get there.. it takes patience sometimes.
Then use TOT method. Sometimes kdz gives these issues.
Sent from my LG-D802
I was also unable to flash lollipop to my D802 .. it always gives error on 2% and I am unable to fix it ... so i guess I will wait for OTA update
Sent from my SM-E700F
-iNCEPTiON- said:
I was also unable to flash lollipop to my D802 .. it always gives error on 2% and I am unable to fix it ... so i guess I will wait for OTA update
Sent from my SM-E700F
Click to expand...
Click to collapse
http://forum.xda-developers.com/lg-g2/development-d802/fix-lg-flash-tool-stuck-2-t3031112
You try this yet?
It's only d 802 though
Yes I did .. but it didnt work
Sent from my SM-E700F
continue
I tried hard to flash boot and laf using fastboot mod but failed.
Is there any difference between korean version and other version for software issues.?

[SOLVED] Some experienced people, please, HELP

After a few days of struggle, I can't even remember which methods I tried with no luck...
Here's the thing:
1) Stuck at 2% flashing KDZ with flash tool ( can't go back to stock )
2) Entering download mode but cdc serial failed ( I think that's the reason I can't flash KDZ through flash tool )
3) Entering TWRP bumped recovery ( v2.8.6.3. ), but don't work adb sideload/push ( adb devices shows nothing )
4) I'm currently on CLOUDY 3.3 and it runs fine, tried to flash other roms, works fine
Right now, I can't describe how I got stuck in this situation ( with all the methods I tried, all drivers changed )...
Can someone help with this situation?
You cant flash KDZ if you on Cloudy 3.3 or AOSP 5.1.1 (don't know why, don't ask)
I had 2% happen to me too.....probably cant find COM port
Try flashing JB bootloader then a KK rom, then try KDZ
Mashed_Potatoes said:
You cant flash KDZ if you on Cloudy 3.3 or AOSP 5.1.1 (don't know why, don't ask)
I had 2% happen to me too.....probably cant find COM port
Try flashing JB bootloader then a KK rom, then try KDZ
Click to expand...
Click to collapse
Done that, ended in bootloop, still can't flash KDZ...
bpetrucic said:
Done that, ended in bootloop, still can't flash KDZ...
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Click to collapse
2% error mostly is due to different rom version.
Install LG drivers again and check.
Change PC/Laptop.
Use TOT method.
Sent from My LG G Flex LG-F340K Stock KitKat V20D on LTE Network using XDA Free Mobile app
Murshad007 said:
2% error mostly is due to different rom version.
Install LG drivers again and check.
Change PC/Laptop.
Use TOT method.
Sent from My LG G Flex LG-F340K Stock KitKat V20D on LTE Network using XDA Free Mobile app
Click to expand...
Click to collapse
Also fails with TOT method
bpetrucic said:
Done that, ended in bootloop, still can't flash KDZ...
Click to expand...
Click to collapse
I had bootloop too but was able to flash KDZ
Enter TWRP using power + vol combo
Shut down phone through TWRP option
Volume up + plug in USB
It should be able to flash KDZ now
bpetrucic said:
Also fails with TOT method
Click to expand...
Click to collapse
What's the error? Without providing details. You ain't getting any help?
Sent from My LG G Flex LG-F340K Stock KitKat V20D on LTE Network using XDA Free Mobile app
flash a stock zip lolipop then you can go back using kdz. same happened to me when i was on optimus g3 coudlnt flash kdz till i flashed a stock rom zip
Murshad007 said:
What's the error? Without providing details. You ain't getting any help?
Sent from My LG G Flex LG-F340K Stock KitKat V20D on LTE Network using XDA Free Mobile app
Click to expand...
Click to collapse
At last, managed TOT method, KDZ now flashing without problems... Don't really know what was the problem, but now is fixed :angel:
Thank you guys for help :highfive:
bpetrucic said:
At last, managed TOT method, KDZ now flashing without problems... Don't really know what was the problem, but now is fixed :angel:
Thank you guys for help :highfive:
Click to expand...
Click to collapse
Press the thanx button on my post. That's the real way to thanx.
Sent from My LG G Flex LG-F340K Stock KitKat V20D on LTE Network using XDA Free Mobile app

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