So I have a T-Mobile LG G4 that like every other G4 had the bootloop problem when I got it. I sent it to LG and they promptly fixed the issue. My current issue has nothing to do with the bootloop I believe.
Because the G4 wasn't getting the Android N update fast enough and also because I wanted to play around with Android's full potential, I decided to root the phone a little over two weeks ago. The process worked and I decided to install a custom ROM. That also worked. I have installed four or five custom ROMs built on Android 7.1 without issue, or at least without any major issue.
However last night I decided to flash Genysis ROM on Android 6.0 because I wanted to play with Xposed. I made a full Nandroid backup of the CRdroid ROM it had been running and then wiped and flashed it using TWRP. When I installed the ROM it didn't work for whatever reason, freezing up and frequently becoming unresponsive. Over about 30 minutes I managed to enable USB debugging and reboot it to recovery (why I didn't shut factory wipe it from bios I'm not sure).
Now any ROM I try to install doesn't boot up. It never gets past the OS loading screen with the ROM logo. On 6.0 ROMs it says it has optimized the apps but gets stuck on starting them. The Nandroid backup I made does the same thing, even ones I made early that day and one from several days ago.
The backups had that one app installed that shows the logcat while booting up and while I'm no expert it seems to get a loop loading the audio drivers. I don't know if that's the cause or if it's just coincidental, as I've never heard of audio drivers preventing a boot, albeit my experience is with Windows PCs.
If it would help I can attempt to take a picture of the screen while stuck, although the text moves very fast. I can access the TWRP recovery just fine but don't know how to/if you can dump logs.
Any help would be much appreciated! I can attempt to supply an information that may be needed as well.
merger3 said:
So I have a T-Mobile LG G4 that like every other G4 had the bootloop problem when I got it. I sent it to LG and they promptly fixed the issue. My current issue has nothing to do with the bootloop I believe.
Because the G4 wasn't getting the Android N update fast enough and also because I wanted to play around with Android's full potential, I decided to root the phone a little over two weeks ago. The process worked and I decided to install a custom ROM. That also worked. I have installed four or five custom ROMs built on Android 7.1 without issue, or at least without any major issue.
However last night I decided to flash Genysis ROM on Android 6.0 because I wanted to play with Xposed. I made a full Nandroid backup of the CRdroid ROM it had been running and then wiped and flashed it using TWRP. When I installed the ROM it didn't work for whatever reason, freezing up and frequently becoming unresponsive. Over about 30 minutes I managed to enable USB debugging and reboot it to recovery (why I didn't shut factory wipe it from bios I'm not sure).
Now any ROM I try to install doesn't boot up. It never gets past the OS loading screen with the ROM logo. On 6.0 ROMs it says it has optimized the apps but gets stuck on starting them. The Nandroid backup I made does the same thing, even ones I made early that day and one from several days ago.
The backups had that one app installed that shows the logcat while booting up and while I'm no expert it seems to get a loop loading the audio drivers. I don't know if that's the cause or if it's just coincidental, as I've never heard of audio drivers preventing a boot, albeit my experience is with Windows PCs.
If it would help I can attempt to take a picture of the screen while stuck, although the text moves very fast. I can access the TWRP recovery just fine but don't know how to/if you can dump logs.
Any help would be much appreciated! I can attempt to supply an information that may be needed as well.
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Click to collapse
why not start from 0 and flash latest KDZ with LGUP.
https://forum.xda-developers.com/tmobile-g4/development/h811-kdz-file-t3607807
For sure I'll try that. I'll let you know if it works, thanks!
Follow up- I eventually found the free time to work on this and flashing the kdz worked! I actually had to use LG Bridge as LGUP only found my device as unknown.
Thanks for the help! Back to flashing ROMs for me.
Related
D851 here, When ever i switched from cloudy 2.5 to blisspop 4.0 and after wiping everything i flashed a various of radios bootstacks and etc to make it boot after many failed attempts to boot ( it boots up but after 4 or so seconds after the lg logo the screen turns black and doesnt turn back on until after i pull out the battery) it worked after i flashed the rom WITHOUT a custom kernel so naturally i booted up just fine and thought maybe now i set up everything on my phone and tweaks i should go back and flash a custom kernel i used to use (777 r16) but then it gave me the problem i faced before the black screen after the lg logo no kernal would work. THEN another problem arised similar to the freezing on the black screen randomly during a usage thru my day the phones screen would be unresponsive animations but touch wouldnt work and i know its not my screen cause when i flash back to cloudy it works fine the freezing happens at least every 5 mins. someone halp?
i know this thread is kinds old...
but i have this same issue too... I found if I switch batteries the problem isn't as bad... but, then it becomes bad again. Its weird. Before I swapped batteries I couldn't even login with my google account, after a fresh flash. then after I swapped batteries (gf has same phone) I was able to get through to the end and setup the phone. But, then an hour later it started happening again....
OP, did you find a solution?
warrior420 said:
i know this thread is kinds old...
but i have this same issue too... I found if I switch batteries the problem isn't as bad... but, then it becomes bad again. Its weird. Before I swapped batteries I couldn't even login with my google account, after a fresh flash. then after I swapped batteries (gf has same phone) I was able to get through to the end and setup the phone. But, then an hour later it started happening again....
OP, did you find a solution?
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i actaully did i think one of the problems was maybe flashing over the same kernel? see what happened was after i gave up flashing the kernel i just flashed without it and to my surprise the build actually came with the kernel pre-installed...shocker and so i had no need to flash over the kernel that i wants because the maker of g3 tmo blisspop already had it in his build and it boots up fine( DISCLAIMER: i cant say this about other roms because the only one i actually tested and wanted was blisspop)
thelgog said:
i actaully did i think one of the problems was maybe flashing over the same kernel? see what happened was after i gave up flashing the kernel i just flashed without it and to my surprise the build actually came with the kernel pre-installed...shocker and so i had no need to flash over the kernel that i wants because the maker of g3 tmo blisspop already had it in his build and it boots up fine( DISCLAIMER: i cant say this about other roms because the only one i actually tested and wanted was blisspop)
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Click to collapse
Okay.
Well, when I was flashing I never flashed a kernel.
Ill be getting a brand new Anker Battery in the mail today. Ill report my findings.
I ended up going to a stock based rom and the issue never happened. So I stuck with it. Ill have to do some testing later and ill let you know how the battery works.
It's not the battery
I downgraded my T-Mo G3 since I couldn't root it with LP on it. Went back to 4.4.2., rooted it, TWRP'd it, and installed the latest CM12 Nightly, Gapps, SU, etc.
As long as the sim card was OUT the installation was great on wifi only, As soon as I put it in it shut off right after, or during boot up. Take the sim out and it works. And yes, the only way to get back into recovery was pulling the battery and doing the key press to recovery. Mystified.
If I find out anything, I'll post it here.
I'd say do a complete return to stock, upgrade via LG Mobile Support tool all the way to 20G, see how it works stock for a while. Then root ( http://forum.xda-developers.com/lg-g3/general/guide-root-method-lg-devices-t3129197 using the first method) and see what happens.
Hi All,
Having some issues with my Galaxy Note 10.1 which I've had for quite a while now. It's rooted but with Android 5.0 stock rom and a custom kernel.
Just now (like 20mins ago) I tried to enable Adblock plus app, the app said it can't automatically change the settings - even though SuperSU was installed and had no issues with it previously. So like all things thought I'd give it a reboot that ought to clear it out. That didn't work, so tried clearing cache (Dalvik/ART/Cache), Still no joy.
I'm a s/w engineer, but not and android/bootloader expert, so I've tried to grab the dmesg and boot logs which I've attached, I've got some stuff on the internal SD (app data) which I'd like to keep, hence I'm not going for the full wipe.
Please take a look at the logs and see if you can determine how to fix this issue, my initial thoughts were there are some issues with the flash storage (bad sectors/partition table?), if I could grab the image and dd the image again I'd be OK - but I don't know much about about android boot loader/kernel etc so can't say.
Ok it has been fixed by wiping data - but I've lost my data and installed apps!
Is there anyway to find out which file/app is causing the boot loop so I can restore data, delete the offending file?
Well, I shall give a bump to this topic, with a little more info. Though probably not really useful.
First I had stock 5.1.1 deodex pre root etc ROM that, after I tried to insert a nano sim card (mine is a 601 3G model) that got stuck, it entered on a bootloop, I had to open it, take the sim card out, and it was still on a boot loop. Tried to install another image, still bootloop, tried to reinstall the original one I had, still bootloop, wiped data, worked fine.
Then almost 2 weeks later, everything worked fine, went to watch a video, the sound was mute, tried to turn it on but everything looked fine, decided to restart because it would probably fix the problem. Got a bootloop. Wiped the data, everything was fine again.
Now, a little more than 2 weeks later, seems like the wifi is not working, thought all my other devices are, guess it's the same problem, decided to restart it, and bootloop again. I'm currently trying to update my TWRP, and gonna try a different ROM, and wait to see if something like that happens, until then, I wonder what could be happening... I remembered an Asus Device that I had that had different firmware versions for 4.4 and 4.1, so if I tried to flash a 4.4 on a 4.1 firmware it wouldn't work, and for downgrade, the same problem happened, and wondered if Samsung has some difference between versions 4 and 5.
ssj4maiko Let me know if you find a more stable rom - I went back to pretty much stock, but with root as I wanted to use all the Samsung apps, but this constant random bootloops are annoying!
I had the latest 6.0.1 samsung rom (CPK2) which was giving me problems with freezing. So I am trying to upgrade to an 7.x.x rom, either RR, AIPC, or Lineage. But none of these roms allow the T800 boot to get beyond the initial splash logo screen. I am using latest TWRP, 3.1.1 to wipe and install rom. I am not getting any install errors. Boot loader is confirmed as CPK2.
FYI, I am able to get back to the samsung rom by reflashing it with Odin.
Update 1: In the final attempt of upgrading I installed the official 6.0.1 fw which boots fine unlike the aforementioned alternatives (very strange). However, lock ups and now screen blanking more frequent. This time wiped everything including storage. It looks more like a hardware issue but I wonder if this could be malware even after wiping everything. I will have to take this in for repair but have little hope of solving this problem.
mach281 said:
I had the latest 6.0.1 samsung rom (CPK2) which was giving me problems with freezing. So I am trying to upgrade to an 7.x.x rom, either RR, AIPC, or Lineage.
Update 1: In the final attempt of upgrading I installed the official 6.0.1 fw which boots fine unlike the aforementioned alternatives (very strange). However, lock ups and now screen blanking more frequent. This time wiped everything including storage. It looks more like a hardware issue but I wonder if this could be malware even after wiping everything. I will have to take this in for repair but have little hope of solving this problem.
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Click to collapse
My wife has the US Cellular 10.5 variant (T807R4). It was freezing so frequently it had become almost unusable for anything but watching videos. Rooting and disabling most of the Samsung apps did not fix the problem. I wiped the system with TWRP only to discover that none of the custom ROMs would work on this model. I downloaded and flashed the stock Samsung MM firmware (and it sat on the opening splash screen for at least 15 minutes before it finally booted up) and for the hour I used it after setting it up, I had no problems. I had previously cleared the cache with Titanium Backup and that also seemed to be a temporary fix. My conclusion is that something is happening when the cache fills up that causes the freezes but I'll need more data to say that for sure.
Just an update: I was going to have the hardware looked at so I wiped everything including the storage. But when I took it to the shop and was asked to demonstrate the freezing the tablet wouldn't. So I took it back and it was running OK until a couple weeks later when the same problems reared there heads.
Somehow I managed to get a 7.1.2 installed and the T800 is running great...so far. I'll post back if the freezing starts again.
mach281 said:
Just an update: I was going to have the hardware looked at so I wiped everything including the storage. But when I took it to the shop and was asked to demonstrate the freezing the tablet wouldn't. So I took it back and it was running OK until a couple weeks later when the same problems reared there heads.
Somehow I managed to get a 7.1.2 installed and the T800 is running great...so far. I'll post back if the freezing starts again.
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Click to collapse
Please explain the steps to install 7.1.2 (and which ROM you used) and update on the freezing issue. Most of the freezing issues I have read about seem to be on LTE variants (SM-T807x) so I was about to buy a wifi only (T800) tablet, thinking that would be a solution to the problem. If that's not the case, then I shouldn't waste my money.
The instructions for installing a non-stock ROM are on the dev's host page in Tab s forums. I first tried Resurrection Remix and now am on LineageOS. It was only after I wiped the internal storage area that I was able to get past the 7.x.x boot screens.
I found the stock rom 6.0.1 freezing issue persistent. I believe the problems started for me with XAR H4 and really picked up with K2 (roms supplied by sammobile). The tablet would frequently just freeze while working in an app: the screen and hardware buttons would not respond at all. Never had that problem with Android 5. The only thing I was able to do to unfreeze it was to reboot into download mode then restart the OS from there. I sometimes found that if I left it frozen overnight it would unfreeze itself by morning.
So about a few years ago, I tried to root my galaxy note 4 (n910aucu2doi3), but I guess it rejected the root because it instantly bricked my phone, to the point where I had to completely wipe it using android recovery. The only way to get my operating system back was to download it online and install it through my PC (I had to find the exact version for my phone as well, 5.1.1 at the time, because it rejected every single other version).
Everything seemed to be working fine, except that I couldn't install software updates on my phone anymore. It was permanently stuck on 5.1.1. It was a bit of an annoyance but I didn't think much of it at the time.
Fast forward to now, and I'm getting several signs that my OS may be corrupted. My phone is constantly freezing, crashing and restarting. Maneuvering through applications causes the phone to freeze for a few seconds before either restarting or crashing the app. I want to say it's definitely a software issue, but I did install a new battery recently and it was working fine for a few weeks, could that be the issue?
If not, I want to start over, but I'm not sure how, and I don't know if it's safe to do a factory reset on this OS. Is there anyway I can get a fresh stock version of an android OS that can also update?
Any help is appreciated, I'm pretty much desperate.
I manually updated to 6.0.1 with the help of this thread https://forum.xda-developers.com/note-4-att/general/updates-thread-t3663943
It seems to have fixed the issues so far, and my phone can automatically update again
Hi team
I recently purchased an ex Demo HTC One M9 as a cheap replacement to my broken Galaxy S7 Edge, as soon as I received it I decided to flash TWRP and a new ROM on it. I was able to unlock the bootloader via HTCDEV.com easily enough and I was able to flash TWRP onto it without issue but when it came to the ROM's I ran into many problems.
Any version of Android that is Nougat or lower would not boot, the phone would go straight to the white bootloader screen every time. Oreo and Pie ROMs were able to boot but I ran into separate issues with them, I could not make or receive phone calls as the whole phone would freeze and there was no audio in from the speaker. I was also unable to play any videos in Facebook, YouTube, Snapchat etc.
I tried every single ROM available here on XDA and ran into these issues. I stupidly also did not make a TWRP backup of my system so it was quite hard to revert back to what it came from factory, I managed to get a stock Marshmellow running thanks to a User here posting a TWRP backup so thanks.
Is anyone able to help me with upgrading to Nougat? I would really like to get the Viper ROM working if possible, is it a known issue getting stuck in the bootloader menu every time?
I've tried just updating through the OTA process in the menu but it says there is no update file available.
Cheers