Help with AT&T LGG2 .. stuck in mud - G2 Q&A, Help & Troubleshooting

Problem: Can't boot into OS on my D800. When booting the screen stays at LG logo and LED keeps flashing green and blue.
Hisotry:
1) Had original AT&T D800 not rooted, no recovery. Got OTA upgrade to Lollipop.
2) Got new phone so decide to debloat to give phone to my wife (on T-mobile)
3) Read xda forums. Downgraded to d80010o using LG flash utility. rooted. installed older version of twrp using autorec. now phone won't boot but can get into download/twrp
4) got into firmware download mode and flashed d80010d using lg flash utility. this time copied new twrp on sdcard and stripped version of rom (http://forum.xda-developers.com/att-g2/development/rom-stock-lollipop-30b-stripped-t3144195) along with dorilp kernel
5) went back to twrp. flashed stripped rom and kernal.
Still no dice. Exact same situation. I can get into download mode/twrp but when booting system gets stuck on LG logo with led slowly flashing.
what am I doing wrong ?

Are you able to get into recovery? With a lolipo ROM you have to download KitKat boot stack or simply download blastgator lollipop ROM patch from here http://blastagator.ddns.net

hoolahoous said:
Problem: Can't boot into OS on my D800. When booting the screen stays at LG logo and LED keeps flashing green and blue.
4) got into firmware download mode and flashed d80010d using lg flash utility. this time copied new twrp on sdcard and stripped version of rom (http://forum.xda-developers.com/att-g2/development/rom-stock-lollipop-30b-stripped-t3144195) along with dorilp kernel
5) went back to twrp. flashed stripped rom and kernal.
Still no dice. Exact same situation. I can get into download mode/twrp but when booting system gets stuck on LG logo with led slowly flashing.
From what I read in the OP of that ROM, you're supposed to just flash the rom zip, boot up, go back into recovery and flash the kernel.
"To install ROM, just flash the zip! (Note: The zip isn't signed.) My zip flashes everything you need for the ROM to work correctly.
Recommended: Flash @dorimanx kernel after install. My zip includes stock 30f kernel."
Maybe that's the problem?
Click to expand...
Click to collapse

okay.. installed the patch. still no dice. still getting same stuck at LG logo with led flashing.
also dorimanx kernal is installed. still getting the issue. btw i am not married to this ROM. Any AT&T rom will work. I think there is some mismatch of bootloader/kernal/rom and what not.
what things I can check ?

pulling my hair out.
whatever rom I install using twrp it gets stuck on LG logo. i think i see some message about not being able to unmount /system (but rest of install succeeds).
only way I can get back in OS is to use LG flash utility and flash d80010d or d80010o which basically wipes away everything (recovery, root etc).
assuming I am on stock d80010d, can someone please give idiot proof step by step direction (do i need to check modem version/baseband/bootloader/radio/recovery versions or something to make sure it is compatible ?)

Do you have download mode?
Sent from my LG-D800 using Tapatalk

xmayhemreturnsx said:
Do you have download mode?
Sent from my LG-D800 using Tapatalk
Click to expand...
Click to collapse
yes I do ..

Ok flash back via tot to kitkat and take ota to lollipop. Then use autorec v2. *Do not use the twrp thats comes autorec as it does not flash roms* flash a BUMPED twrp using twrp. Then install your lolipop rom then afterwards install the dormainx d800 lollipop patch just for safe measure but it should work without flashing it.
Sent from my LG-D800 using XDA Free mobile app

xmayhemreturnsx said:
Ok flash back via tot to kitkat and take ota to lollipop. Then use autorec v2. *Do not use the twrp thats comes autorec as it does not flash roms* flash a BUMPED twrp using twrp. Then install your lolipop rom then afterwards install the dormainx d800 lollipop patch just for safe measure but it should work without flashing it.
Sent from my LG-D800 using XDA Free mobile app
Click to expand...
Click to collapse
thanks for suggestion.. but once I take LP OTA, how will i use autorec ? I thought LP can't be rooted and custom recovery can't be flashed.
also all I can find is Autorec not autorec v2.

hoolahoous said:
thanks for suggestion.. but once I take LP OTA, how will i use autorec ? I thought LP can't be rooted and custom recovery can't be flashed.
also all I can find is Autorec not autorec v2.
Click to expand...
Click to collapse
Yeah it can be rooted. Download stumproot and install it, follow it thru the steps and do the brute force root. Takes a few minutes but it works. I've done it on stock a couple of times. Get autorec v2 on playstore.

Really now said:
Yeah it can be rooted. Download stumproot and install it, follow it thru the steps and do the brute force root. Takes a few minutes but it works. I've done it on stock a couple of times. Get autorec v2 on playstore.
Click to expand...
Click to collapse
i just read that stumproot is not supported anymore..

Actually instead of stumproot, use srk tool to root stock lollipop. I have had success with that.
Sent from my LG-D800 using XDA Free mobile app

Related

Rooting OTA VS980B

Anyone figure out how to root the new OTA? It wont allow root with the old flash way since its new OTA
timenewton said:
Anyone figure out how to root the new OTA? It wont allow root with the old flash way since its new OTA
Click to expand...
Click to collapse
Yes use the new IOROOT15 to root the device. But I have been unsuccessful in flashing any roms, however I did get twrp to work with FreeGee app in the android market.
I appreciate your help very much, thank you
jea508 said:
Yes use the new IOROOT15 to root the device. But I have been unsuccessful in flashing any roms, however I did get twrp to work with FreeGee app in the android market.
Click to expand...
Click to collapse
What version of twrp? Sounds like you may need to update.
Sent from my LG-D800
btm fdr said:
What version of twrp? Sounds like you may need to update.
Sent from my LG-D800
Click to expand...
Click to collapse
Im still using the twrp that was flashed with freegee. i'm a newb to all this. Maybe i should flash new version of twrp and try. I was trying to install the mal 4.2.2 rom and just got lg screen, then black.
jea508 said:
Im still using the twrp that was flashed with freegee. i'm a newb to all this. Maybe i should flash new version of twrp and try. I was trying to install the mal 4.2.2 rom and just got lg screen, then black.
Click to expand...
Click to collapse
I've been unsuccessful in getting any roms to work. I tried 4.2.2 rom and got lg screen then black, had to restore nand backup from twrp recovery but it was hellish to get into, had to do the hold vol+pwr precisely, almost gave up. So, reverted to a backup just fine.
Next tried to loki_flash recovery 2.6.3.1 (then was going to do them in order-2.6.3.2>2.6.3.3 [have not tried going directly to 2.6.3.3) and was hit with an unsupported aboot error (device mismatch).
So now i'm going to try and use flash tool to revert back to 11A, root, install twrp (I hope this is possible and I don't brick my phone [i'm new to all of this])
Anyone tell me if this is an acceptable option to proceed? Thank's in advance.
Acceptable. KDZ to 11A.
Just wanted to post I was successful using lg flash tool to revert to 11A, rooted, freegee twrp, flashed 2.6.3.3, flashed OSE ROM. Everything is well ATM!
Sent from my LG-VS980 using Tapatalk

Lost TWRP

Verizon LG G2
Rooted
Installed TWRP
Without thinking (doink) tried to install the latest OTA.
OTA failed.
Now I cannot reboot into TWRP.
Installed ClockwordMOD and installed its own custom recovery. Still won't boot into any custom recovery.
Phone works fine other than that.
How can I get back into custom reccovery?
Note: When I turn phone off and try to reboot into custom recovery it takes me to the "reset" screen.. and then IT RESETS the phone.
When I try to boot into recovery from Clockwork or TWRP app it gives me the android robot with the open tummy and red triangle.
Danokan said:
Verizon LG G2
Rooted
Installed TWRP
Without thinking (doink) tried to install the latest OTA.
OTA failed.
Now I cannot reboot into TWRP.
Installed ClockwordMOD and installed its own custom recovery. Still won't boot into any custom recovery.
Phone works fine other than that.
How can I get back into custom reccovery?
Note: When I turn phone off and try to reboot into custom recovery it takes me to the "reset" screen.. and then IT RESETS the phone.
When I try to boot into recovery from Clockwork or TWRP app it gives me the android robot with the open tummy and red triangle.
Click to expand...
Click to collapse
The OTA update installed the KitKat bootloader, which hasn't been hacked for custom recovery yet.
Use this to downgrade the only the bootloader and install custom recovery: http://forum.xda-developers.com/showthread.php?t=2715496
You have to root frist. You can use IORoot25 to root the KitKat rom that you have now: http://forum.xda-developers.com/showpost.php?p=48709232
Amro90 said:
The OTA update installed the KitKat bootloader, which hasn't been hacked for custom recovery yet.
Use this to downgrade the only the bootloader and install custom recovery: http://forum.xda-developers.com/showthread.php?t=2715496
You have to root frist. You can use IORoot25 to root the KitKat rom that you have now: http://forum.xda-developers.com/showpost.php?p=48709232
Click to expand...
Click to collapse
Ok.
The KITKAT rom didn't install properly..
Phone says 4.2.2
Super user and apps that need root to work are working properly. Looks like the bootloader is the only thing that got hit.
Danokan said:
Ok.
The KITKAT rom didn't install properly..
Phone says 4.2.2
Super user and apps that need root to work are working properly. Looks like the bootloader is the only thing that got hit.
Click to expand...
Click to collapse
Oh. Not sure if AutoRec works if you are still on 4.2.2. Sorry bout that.
If it doesn't work, you can always just manually flash the complete firmware using this guide: http://forum.xda-developers.com/showthread.php?t=2432476. Surest way to get back from failed flashes. You can flash the full 4.2.2 or 4.4.2 KDZ and then start over again. That method wipes everything though.
Amro90 said:
Oh. Not sure if AutoRec works if you are still on 4.2.2. Sorry bout that.
If it doesn't work, you can always just manually flash the complete firmware using this guide: http://forum.xda-developers.com/showthread.php?t=2432476. Surest way to get back from failed flashes. You can flash the full 4.2.2 or 4.4.2 KDZ and then start over again. That method wipes everything though.
Click to expand...
Click to collapse
YIKES.
Well.. it got the TWRP recovery loaded alright.
But it won't boot into anything else...light is flashing but screen is black.
HELP
I am screwed here.
#1. Tried the "unbrick stock" solution. Can NOT get it to work. I tried it all 3 ways given and it gets to the LG driver start... and then it says I am up to date. I tried to change the country, the language, upgrade recovery, can NOT get it to work.
#2. I can get TWRP to load. But I can't get my computer to recognize my phone so I can move a rom over
#3. I can't get ADB to recognize my phone.
HEEEEEEEEEEEEEEEEEEEEEEELP
Danokan said:
HELP
I am screwed here.
#1. Tried the "unbrick stock" solution. Can NOT get it to work. I tried it all 3 ways given and it gets to the LG driver start... and then it says I am up to date. I tried to change the country, the language, upgrade recovery, can NOT get it to work.
#2. I can get TWRP to load. But I can't get my computer to recognize my phone so I can move a rom over
#3. I can't get ADB to recognize my phone.
HEEEEEEEEEEEEEEEEEEEEEEELP
Click to expand...
Click to collapse
save yourself the hassle flash stock 4.4.2 KK, use IORoot25 to root and then use Autorec to install Custom recovery.
Time needed 1 hour.
Hartendief said:
save yourself the hassle flash stock 4.4.2 KK, use IORoot25 to root and then use Autorec to install Custom recovery.
Time needed 1 hour.
Click to expand...
Click to collapse
How do you propose I flash it?
SOLVED
FIXED
http://forum.xda-developers.com/showthread.php?t=2448960

[Q] Screen completely unusable after Autorec

Hi guys,
I got my brand new LG G2 in the mail today. I was following a guide to root it (which went fine). I then installed autorec to get the TWRP recovery. After clicking the 'to recovery' button in autorec and rebooting the screen is completely covered in colored lines as you can see in the attached picture. From my research I suspect I need the jdi patch for the kernel but I have no idea how to install this with the screen out of action. I'm not even sure if TWRP was installed properly. I would reply appreciate some help with this.
Try to reflash a stock rom with kdz.
Sent from my LG-D802 using XDA Premium 4 mobile app
GreatVortex said:
Try to reflash a stock rom with kdz.
Click to expand...
Click to collapse
I tried to enter download mode to reflash but it makes the usually booting up sound so I don't think download mode is working (of course I can't see anything on the screen). Anything else I can try?
I was just able to do a stock re-flash. It didn't fix the issue
When you say stock re-flash, do you mean through the LG Flash Tool? If you flashed the stock ROM that way, it would replace the kernel and solve the problem. I don't think your stock ROM flashed properly. Once you get it back, there is a version of Autorec with the JDI panel kernel. Here's a link to download the Autorec with JDI patch: https://drive.google.com/open?id=0BxVbJlj3DLzKd2QyQ1Y1Vmh1dTQ
Just follow this method and all will be ok.
http://forum.xda-developers.com/showthread.php?t=2663369
wolfclan68 said:
When you say stock re-flash, do you mean through the LG Flash Tool? If you flashed the stock ROM that way, it would replace the kernel and solve the problem. I don't think your stock ROM flashed properly. Once you get it back, there is a version of Autorec with the JDI panel kernel. Here's a link to download the Autorec with JDI patch: https://drive.google.com/open?id=0BxVbJlj3DLzKd2QyQ1Y1Vmh1dTQ
Click to expand...
Click to collapse
which variant is he on ?

Stuck with TWRP and No OS

Long story short.
Was on cloudy 2.2(KK),tried to directly flash Cloudy 3.3 (LP)
Got Soft bricked with only LG logo coming and blank screen.
But could boot into TWRP after great difficulity
Now my best option is to Mount OTG and flash a stock ROM to fix the phone right?
I just want my phone to be working again.
Can i install Cloudy 2.2 again after a full wipe?
Or do i need to flash stock lg firmware now?
Model- D802
Yup. Or do a an ADB sideload
Sent from my LG-D800 using XDA Premium 4 mobile app
Just flash stock through Download mode. You didn't flash the LP Bootstack, thats why it got bricked
Or if you have access to TWRP, do a factory reset and flash 2.2 to get it working. Latest TWRP supports MTP mode so you can transfer ROM from PC
It would have been enough to flash an LP bootstack, for ex. from daniel.stuart and 3.3 would have booted.
Indeed, flash right bootloader and reboot recovery. After that flash rom.
(if you see LG logo very short and then you see a black screen, most of the time it a wrong bootloader)
Sent from my K00F using XDA Free mobile app
Thanks
bravho said:
Indeed, flash right bootloader and reboot recovery. After that flash rom.
(if you see LG logo very short and then you see a black screen, most of the time it a wrong bootloader)
Sent from my K00F using XDA Free mobile app
Click to expand...
Click to collapse
This worked i just mounted the right bootstack on the OTG and flashed it and then flashed cloudy 3.3
Thanks for the help
Same problem but couldn't find solution
I tried to flash euphoria OS 1.1 on my f320l. flashed the lp bootloader first then the rom but its not flashing and now i cant even boot into the rom . Recovery and download mode work but still looking for a solution. If anyone can help me or point me in the right direction it would be appreciated.

How can I Install CM in Bootloader Mode?

Until today I had the impression that my LG G2 was done.
You see, a year ago I had this problem with an update, I carry the phone to my carrier as was under warranty, the Fixed the problem but after that I couldn't boot in recovery mode.
No Power and Volume Down or Up Working, nor the 3 times power combination and then I've just came across this boot into bootloader instructions that I didn't know about it.
Code:
Bootloader: With the device powered down, plug in a USB cable while pressing Volume Up.
Which works like a charm.
So can somebody please point me in the right direction to Install CM13 in bootloader mode?
Best regards
you can't, you can only flash a stock rom in download mode
mi_guel69 said:
you can't, you can only flash a stock rom in download mode
Click to expand...
Click to collapse
Hummm, interesting.
Maybe I could Install a Stock ROM that comes with a recovery and then install CM, plausible?
Nehemoth said:
Hummm, interesting.
Maybe I could Install a Stock ROM that comes with a recovery and then install CM, plausible?
Click to expand...
Click to collapse
first tell variant and what version of android you have
raptorddd said:
first tell variant and what version of android you have
Click to expand...
Click to collapse
LG G2 (D805).
4.4.2 Stock
Build KOT49I
Nehemoth said:
LG G2 (D805).
4.4.2 Stock
Build KOT49I
Click to expand...
Click to collapse
steps are like this.
you are on KK, you need to search for files as that variant i dont know..
you must root phone and install custom recovery
so cehck here for root..
http://forum.xda-developers.com/showpost.php?p=63327417&postcount=4
when you rooted. then proceed to install twrp. use the same link above and look in recovery
click on recovery.. remeber you are in KK so use the one for kitkat dont use Lollipop.
when you find recovery install it..when you have it installed. update it with this one
2.8.7.3
http://forum.xda-developers.com/lg-g2/development/twrp-twrp-2-8-0-0-kernel-f2fs-tools-t2898705
install bootstacks for your variant. 5.02 KK bumped.
http://forum.xda-developers.com/lg-g2/development/lg-g2-bootstacks-t3173715
then you need to find a flashable rom in zip format.. for d805. lollipop. once you flashed it and are in stock lollipop
then find root for lollipop use the links above , i thnk theres root for LP.
when roo is rooted then go to playstore and download autorec for lollipop for your variant..
install and install twrp.. update it with 2.8.7.3 thermal one..
then install hybrids bootsacks. for your variant
http://forum.xda-developers.com/lg-g2/development/boot-g2-hybrid-bootstacks-t3183219
when installing hybrid.. reboot from recovery into recovery again to take effect ... then flash rom and gapps for cm13.
Already rooted. Will check the instructions, overall the one about the recovery...as I said before I don't have a recovery options, when I install TWRP and try to reboot into the recovery mode the phone just reboot.
I believe you gave me the instructions to fix this, fix the recovery, will follow your instructions and will be back.
Thank you for your time.
If it doesn't work try to install the stock kk again and do all the above process again

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