Can't access my G3 (D855), it only boots into cyanogenmod recovery! - G3 Q&A, Help & Troubleshooting

First of all, I had a LG G3 (D855) with cyanogenmod 13 on it.
Since my twrp didn't work and i had a pretty old cm13 version on my G3, I wanted to flash twrp again and I used the AutoRec apk from this post (http://forum.xda-developers.com/lg-g3/general/root-twrp-marshmallow-d855-30b-t3286268), because I couldn't flash anything in my old twrp.
After flashing the new twrp, my G3 could only boot into the twrp recovery, so I searched for a solution and fount this post: http://forum.xda-developers.com/lg-g3/development/fix-stuck-custom-recovery-trying-ota-t2907508
I did everything like the guy said in the post and it didn't work, so I used the last command in his post. After trying to boot into sytem it didn't work, but this time I got into the "cyanogenmod recovery" in which im stuck now.
So the first thing I did in cm recovery was looking for the possibility to flash an image, which just isn't there. So I tried flashing the newest cm13 nightly through the "Apply update" option in the cm recovery, which didn't work because I needed Baseband version 21C.
After that I obviously tried to flash Baseband 21C, which again didn't work, because the footer is wrong.
So I surfed through the internet, when I had to notice, that ADB (and fastboot) doesn't work in cyanogenmod.
Now I'm stuck here with this ****ty cyanogenmod recovery, where I can do nothing.
I hope that anyone of you can help me with this problem

Can't you go back to stock with a KDZ flash? Just boot into download mode.

A similar thing happened to me, but it was a TWRP boot loop. I tried the LGUP flash of a .kdz file, but that failed, so then I tried an earlier version of Android using LG Flash Tool 2014 and it was fine after that. Then I just updated to latest stock Android and rooted with Kingroot. Can you at least boot into download mode? (power off while not connected to PC, then press vol up I think at the same time as plug in USB cable).

Related

[TWRP FAILED!!!] Please help! Cannot boot to recovery now, Stock Recovery Lost! D850

Hello,
My phone has stock Lollipop on LG G3 AT&T D850, and today I tried to install CM12 on my phone.
I used the official TWRP App to install the latest recovery for D850, and after that the phone got stuck at the black screen, with red/blue indicator blinking forever. I can boot to the system normally after pressing VolumnDown+Home, but now my phone is so messed up! I cannot even flash my phone to the stock ROM under Download Mode, because the recovery is broken! I later tried Flashify and different recovery editions, but it is still the same thing.
There is not a good recovery image for LG G3 D850 5.0 so far, at least for me. Please help! Thanks so much!
xw2016 said:
Hello,
My phone has stock Lollipop on LG G3 AT&T D850, and today I tried to install CM12 on my phone.
I used the official TWRP App to install the latest recovery for D850, and after that the phone got stuck at the black screen, with red/blue indicator blinking forever. I can boot to the system normally after pressing VolumnDown+Home, but now my phone is so messed up! I cannot even flash my phone to the stock ROM under Download Mode, because the recovery is broken! I later tried Flashify and different recovery editions, but it is still the same thing.
There is not a good recovery image for LG G3 D850 5.0 so far, at least for me. Please help! Thanks so much!
Click to expand...
Click to collapse
Does it still boot normally?
itsbighead said:
Does it still boot normally?
Click to expand...
Click to collapse
Yes, I can still use the phone. I cannot factory reset or FlashTool reset because the download mode is gone.
Same here. Rooted D855 with one click and tried to flash TWRP with official app from Play Store. Failed and rebooted to recovery. Now I only see blue and red blinking led.... damm...
Did you two flash twrp on stock rooted 5.0? Grats, you have ignored all warnings that were posted in these "how-to-root-5.0" threads.
Download stock recovery.img, flash it (you can do it even via flashify), be happy.
Hi YaDr,
could you specify which recovery.img you mean? possibly with a link?
i have to admit that i was stupid as well :angel:

[Q] G3 Corrupted Recovery

N00b needing some help. It seems I have corrupted the recovery on my rooted G3 VS985. Used TWRP Manager to flash TWRP. Followed the app's instructions, installed BusyBox, applied the KitKat/Lollipop patch, went ahead and flashed. Booting into recovery just gives me a black screen and blinking blue and red LEDs. Since I'm not an expert, I'm a little paranoid to continue.
If I use bump to flash TWRP, will that wipe the corrupted file and flash a working version of TWRP (assuming I don't eff it up)? I've also seen root methods for the G3 that install TWRP as well. If I unroot and reroot with one of those methods with a bum recovery, will I brick my device? Sorry for the n00b questions, and I appreciate the help!
Look at here forum.xda-developers.com/lg-g3/general/apk-flash-twrp-autorec-thanks-to-t3081396
I have d851, looking for another alternate solution for the corrupted recovery. please help.
Same issue
Same question here also. Updated twrp from twrp manager playstore app now when i enter recovery i get black screen and boot security error. Other than that i can go to download mode easily and can boot my device to android cloudy g3 without a hitch the only problem is that i can no longer use recovery

I cant get to recovery on my oneplus 3

So recently i flashed the new cyanogen 14.1 nightly rom but it said their was an update but after i installed it it tried to go into recovery and wouldnt start. I shut it down and it would only go into fastboot mode and show the boot image. after this i downloaded fastboot and adb files and a tool kit and it now boots into the actual rom but still not recovery. so how can i get the recovery to pop up? iv already tried to flash twrp again but it still didnt load. and i even flashed the stock recovery and still wouldnt boot up. if anyone knows a way i can fix my recovery it would help alot. :good:
I have exactly same problem as you k hope it's a problem with the new cyanogenmod 14.1 nightly if not may try to change the kernel? I'm looking around too
Same problem here.... I installed TWRP and Dirty Unicorns on my One Plus 3, but immediately had a host of problems (including home key not working). I then flashed the most recently nightly (cm-14.1-20161119-NIGHTLY-oneplus3.zip). It booted fine, but now I cannot get into recovery. Any attempt to boot into recovery will put me back at the unlock warning screen... The phone is functionally useless at this point, because it doesn't even have gapps on it.
How can I restore this phone to a usable state (i.e., enter recovery to allow flashing of gapps)?
official twrp doesnt work with community builds and cm 14.1. You have to use modified twrp 3.0.2-22. the link can be found easily in official cm 14.1 forum on xda.

[H815] I think I screwed up my phone's software

Edit:
I installed some LG Drivers from a root article and now the phone is recognized. I can update to V20G and test it again, hope it works!
Hello!
I was running CM14.1 on my LG G4 and a few days ago I decided to install a new update but from within the phone itself. Sadly, it just rebooted to the recovery and didn't install anything. And from there, it always rebooted into the recovery no matter what I did. I also did a full wipe and installed CM14.1 clean but it still rebooted to the recovery and didn't want to go past that. I made a Reddid thread - https://www.reddit.com/r/cyanogenmod/comments/5gcap3/g4_h815_cm_141_help_i_cant_boot_outside_of/.
So I got help with that - I got into Download Mode and flashed the stock software via LGUP. Sadly, after I did this, I can no longer install a custom recovery. The phone is not rooted and LGUP and LG Bridge don't recognize the device anymore and the phone says there isn't a new update available but it's on the 5.1 stock ROM.
Whenever I flash the TWRP image via fastboot and I reboot into recovery, it doesn't boot into TWRP but it boots into some kind of other fastboot mode. And I've tried to issue `fastboot boot twrp-x-x-x.img` but it fails to do so and shows `FAILED (remote: dtb not found)`.
Is there a way to fix this so I can flash CM again?
Thanks in advance!
Peshyy said:
Hello!
I was running CM14.1 on my LG G4 and a few days ago I decided to install a new update but from within the phone itself. Sadly, it just rebooted to the recovery and didn't install anything. And from there, it always rebooted into the recovery no matter what I did. I also did a full wipe and installed CM14.1 clean but it still rebooted to the recovery and didn't want to go past that. I made a Reddid thread - https://www.reddit.com/r/cyanogenmod/comments/5gcap3/g4_h815_cm_141_help_i_cant_boot_outside_of/.
So I got help with that - I got into Download Mode and flashed the stock software via LGUP. Sadly, after I did this, I can no longer install a custom recovery. The phone is not rooted and LGUP and LG Bridge don't recognize the device anymore and the phone says there isn't a new update available but it's on the 5.1 stock ROM.
Whenever I flash the TWRP image via fastboot and I reboot into recovery, it doesn't boot into TWRP but it boots into some kind of other fastboot mode. And I've tried to issue `fastboot boot twrp-x-x-x.img` but it fails to do so and shows `FAILED (remote: dtb not found)`.
Is there a way to fix this so I can flash CM again?
Thanks in advance!
Click to expand...
Click to collapse
The bootloop to recovery is a known issue of one the December nightlies of CM 14. Head over to the CM thread and search for bootloop and twrp. They provided a solution to solve this too.
Besides that: which twrp version do you tried to fastboot? H811 or h815? Taken from the official download site?
.
steadfasterX said:
The bootloop to recovery is a known issue of one the December nightlies of CM 14. Head over to the CM thread and search for bootloop and twrp. They provided a solution to solve this too.
Besides that: which twrp version do you tried to fastboot? H811 or h815? Taken from the official download site?
.
Click to expand...
Click to collapse
twrp-3.0.2-1-h815.img, H815 as the title says and from the official website as I've always done. As for the thread - I don't have TWRP and I can't even flash it as I've written in my post. That's what I'm struggling with.
Edit:
I installed some LG Drivers from a root article and now the phone is recognized. I can update to V20G and test it again, hope it works!

I flashed 3.0 twrp over 3.1 after formatting system, help!

Right now the only half useful thing my phone does is get in to download mode, and when I try to flash a stock firmware in download mode any lg software doesn't recognise the model number because the last rom the phone booted in was Lineage.
I had Twrp 3.1 and tried to install Fulmics, it wouldnt boot the aroma installer so i downgraded the version of twrp to 3.0 ish, and now it just doesnt boot in to recovery or anything.
How do I get my phone back to stock? I've since bought an HTC 10 and want to use my G3 for development/a backup.
Any help is greatly appreciated.
Did you tried a stock ROM from G3 Android Development flashed via twrp?
The thing is, I can't get in to twrp to begin with. The only thing I have is download mode. No system partition or anything, no data, nothing!
Look here: https://forum.xda-developers.com/showthread.php?t=2785089

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