P936 sudden reboots during download from play store - LG Nitro HD

After updating several files and during downloading my P936 suddently rebooted as sometime typcial for CM10.1. I am on RC2 and WindKernel 2.0.1.
Now, after -several- reboots *i guess it were 4* it got even worse.
First, I got the start screen and download again and boom reboot.
Second, I could type in the PIN of sim and reboot.
Third, I could not even tye in the PIN anymore and reboot.
Forth, I switched it off and turned on again.
Now, it wants to start the apps, but hangs at the start screen "starting the apps" :crying:
Weird. What can I do?

I had nearly the same kind of problem on my LU6200. Factory reset and clearing Dalvik cache in recovery helped me.

Related

[Q] After installing, the phone freezes at the first reboot - what happened?

For some strange reason, after reinstalling CM 10.2 several times already, the phone keeps having a peculiar problem. After entering recovery, wiping data, cache and Dalvik, and either restoring a backup or installing the ROM from scratch, the system will allow me to boot exactly once. Then, after rebooting, no matter what I did on the last boot, the phone will be stuck on the "Samsung Galaxy W" screen, without advancing to the spinning CM logo. The current workaround is to reinstall the ROM every single time I start the phone, and that's evidently not an option. Can someone suggest a stable solution?
A quick update - the phone seems to be not frozen, but bootlooping after about three minutes per loop.

Weirdest problem with the 816

So I am keen on how to fix bootloops and going back to stock/rooting, etc...
My friend asked me if I could fix his phone for him, so I said why not. Thing is, it's the weirdest problem I ever faced with a phone, EVER.
The problem is the phone boots normally, I unlock the pattern, some seconds later it turns off and reboots. So I said hey why not boot into safe mode, perhaps it's an app causing all of this, so I did, worked perfectly, turns out "Google Play Services" was "forcing close" and suddenly phone turns off. I uninstalled all updates, cleared data, cache, everything and installed EVERY SINGLE APP on the phone and removed pattern, then rebooted phone. BUT, when i rebooted, the pattern was back, language was back to arabic (I changed it to english when in safe mode), ALL APPS were back, and the updates to Google Play Services were back. It's like I didn't do anything. So I said before it turns off I'm goin to try 1 thing, so I immediately went into settings and managed to uninstall updates for Google Play Services and cleared cache data, even to all google apps, and then I re-uninstalled all applications (out of safe mode), I thought perhaps when irebooted from safe mode, everything was back, now that I'm goin to reboot out of safe mode, this will work. So I rebooted, and guess what? EVERY SINGLE APP was back, system language back to arabic, AGAIN, and pattern was back and GPServices updates were back.
So I said hey, let's factory reset. SO I went into safe mode, I hit factory reset, phone reboots to recovery (vol up + power ) > Factory reset done > wipe cache partition done > reboot : EVERYTHING WAS THE SAME. I am completely shocked. I tried doing Factory reset out of safe mode too, same result. So I said hey, let's unlock this thing and just flash a stock rom, that'll fix it indeed. I went into fastboot and tried flashing the unlock token, the confirmation page appeared, clicked "YES", phone reboots: PATTERN AND EVERYTHING STILL THERE, while they shouldn't be since unlock performs a Factory reset, so I went back to fastboot and it indeed was NOT unlocked, I tried many times and it failed every single time I tried.
So I said hey, download AVG Antiviirus and run it perhaps it can find the problem, so I did and ran it, couldn't find anything, rebooted phone and AVG was gone. So I said, hey, again, download Google Play Services and install it on your phone, perhaps it will permanently override the one existing and it will fix the problem (it didn't, it would disappear and the old G.P.S reappear as soon as I reboot). So I said hey, you got the OTA Zip, it has the firmware, perhaps flashing that firmware will shake things up, most probably brick the phone but perhaps will let me unlock it. So I went into fastboot > fastboot oem RebootRUU > phone reboots normally, I CAN'T even access RebootRUU.
So as you can see I probably tried everything one can do in this situation.

[Q] Flashed BlissPop 3.4, phone is stuck in the "Checking connection" screen

[Q] Flashed BlissPop 3.4, phone is stuck in the "Checking connection" screen
Hi, this is the first time I flash a new ROM on my G3 D855 (I've flashed xposed though) and everything seemed to be fine until I got to the Android setup screen. Wi-Fi had some trouble connecting to my network but it eventually did it, anyway I've left the phone for more than 30 minutes and it's still stuck in the "Checking connection" screen. Is there any way to fix this?
In case you're asking, I've backed everything up, did a factory wipe, flashed BlissPop, flashed gapps and wiped again the cache. Finally I rebooted
stef1997 said:
Hi, this is the first time I flash a new ROM on my G3 D855 (I've flashed xposed though) and everything seemed to be fine until I got to the Android setup screen. Wi-Fi had some trouble connecting to my network but it eventually did it, anyway I've left the phone for more than 30 minutes and it's still stuck in the "Checking connection" screen. Is there any way to fix this?
In case you're asking, I've backed everything up, did a factory wipe, flashed BlissPop, flashed gapps and wiped again the cache. Finally I rebooted
Click to expand...
Click to collapse
Try flashing just the ROM without the gapps, power it up, then reboot into recovery and flash gapps. That should get you past your "checking connection" screen.
stef1997 said:
Hi, this is the first time I flash a new ROM on my G3 D855 (I've flashed xposed though) and everything seemed to be fine until I got to the Android setup screen. Wi-Fi had some trouble connecting to my network but it eventually did it, anyway I've left the phone for more than 30 minutes and it's still stuck in the "Checking connection" screen. Is there any way to fix this?
In case you're asking, I've backed everything up, did a factory wipe, flashed BlissPop, flashed gapps and wiped again the cache. Finally I rebooted
Click to expand...
Click to collapse
Try to press back button while it is keep checking connection. It happened to me 3-4 times,
Anytime that happens i press back button and then forget the network and reconnect.
It should work

This doesnt quite seem like a boot loop... Help?

So my phone has been perfect for over a year. Within the first month of owning it I rooted, installed TWRP, and jumped on CM13. Been updating nightlies all year long once every week or so and enjoying the phone. Its really been perfect. Tonight after work I jump in my car, throw it on my car charger, and drive home. When I get home I notice for some reason I have no cell service (Emergency Call Only) so I reboot. That was the end. The reboot got stuck on the CM boot screen flashing the circle out around the CM face over and over and over. So, I pop the battery, try again, same thing.
Well, being that I have rooted and flashed for years now I figured Id wipe dalvik and cache. Tried that, same thing. Did a full wipe and reinstalled the nightly from my SD card. This time I thought I made progress as it set up all the apps. Then it just hangs on "starting apps" and then it sits there forever. Never boots. Doesnt loop or restart or anything, just says its starting apps.
So, jump on here and find the bootloop issue. My serial is 505x so I was wondering if maybe thats my issue. Decide to download the all in one flash zip from here...
http://forum.xda-developers.com/tmobile-g4/development/stock-h811-20i-images-kdz-flashable-t3308227
and I flash that. Stock rom works without any issue. Fired it up, logged in, no problems. Huh. Do a restart and even though I flashed that file it still shows bootloader unlocked as the LG logo comes up, and boots into TWRP as normal as well. Figured well I flashed a stock rom, lets give CM13 a try again. I download a fresh nightly through my pc and transfer it over via usb so I know its good. Full wipe, flash, reboot, hangs at "starting apps" again.
Now I am lost. The stock rom sucks and my love for this phone is based around what it is with CM installed. Am I missing something here? I really want to get back to CyanogenMod and away from the clunky slow stock rom.
Any input is greatly appreciated. Thank you all.
EDIT: Well went through the Android setup steps after flashing the stock rom so I would have a phone until this was all figured out. Turned out its not working. After setup I am not getting "Process System Isn't Reponding: wait or close" No matter what I do the phone is so slow or laggy I cant use it. Its trying to download my apps and restore my phone from my Google account but it just hangs up. No idea what to do at this point. Is my kernel messed up? Its a totally clean flash. What the heck. 3am, I give up, hopefully someone has insight in the morning. Thank you all.
ride1226 said:
So my phone has been perfect for over a year. Within the first month of owning it I rooted, installed TWRP, and jumped on CM13. Been updating nightlies all year long once every week or so and enjoying the phone. Its really been perfect. Tonight after work I jump in my car, throw it on my car charger, and drive home. When I get home I notice for some reason I have no cell service (Emergency Call Only) so I reboot. That was the end. The reboot got stuck on the CM boot screen flashing the circle out around the CM face over and over and over. So, I pop the battery, try again, same thing.
Well, being that I have rooted and flashed for years now I figured Id wipe dalvik and cache. Tried that, same thing. Did a full wipe and reinstalled the nightly from my SD card. This time I thought I made progress as it set up all the apps. Then it just hangs on "starting apps" and then it sits there forever. Never boots. Doesnt loop or restart or anything, just says its starting apps.
So, jump on here and find the bootloop issue. My serial is 505x so I was wondering if maybe thats my issue. Decide to download the all in one flash zip from here...
http://forum.xda-developers.com/tmobile-g4/development/stock-h811-20i-images-kdz-flashable-t3308227
and I flash that. Stock rom works without any issue. Fired it up, logged in, no problems. Huh. Do a restart and even though I flashed that file it still shows bootloader unlocked as the LG logo comes up, and boots into TWRP as normal as well. Figured well I flashed a stock rom, lets give CM13 a try again. I download a fresh nightly through my pc and transfer it over via usb so I know its good. Full wipe, flash, reboot, hangs at "starting apps" again.
Now I am lost. The stock rom sucks and my love for this phone is based around what it is with CM installed. Am I missing something here? I really want to get back to CyanogenMod and away from the clunky slow stock rom.
Any input is greatly appreciated. Thank you all.
EDIT: Well went through the Android setup steps after flashing the stock rom so I would have a phone until this was all figured out. Turned out its not working. After setup I am not getting "Process System Isn't Reponding: wait or close" No matter what I do the phone is so slow or laggy I cant use it. Its trying to download my apps and restore my phone from my Google account but it just hangs up. No idea what to do at this point. Is my kernel messed up? Its a totally clean flash. What the heck. 3am, I give up, hopefully someone has insight in the morning. Thank you all.
Click to expand...
Click to collapse
You really have to investigate by adb. Look into the dmesg output and logcat as well. Maybe your sdcard is corrupt or 100 other issues are possible as well. What device do you own? H811? unlocked?
.
I have rooted my lg g4 h811 and am trying to flash cm 14, after flashing it through twrp, my phone stuck in bootloop. i try o put it in recovery but it only gives me factory reset option which i did several times but still stuck on bootloop. what should i do?
kunate said:
I have rooted my lg g4 h811 and am trying to flash cm 14, after flashing it through twrp, my phone stuck in bootloop. i try o put it in recovery but it only gives me factory reset option which i did several times but still stuck on bootloop. what should i do?
Click to expand...
Click to collapse
There are several users reporting that the latest cm version bootloop the best option is to start in download mode and Flash with LGUP Stock ROM.
You could also try to boot into Download Mode and then flash the latest twrp and then Boot into Factory Reset Mode again

Galaxy Tab Pro 10.1 SM-T520 Stuck in Kind of a Bootloop of Sorts

So I feel like this is different from a typical bootloop (certainly different from ones I've had in the past). Any ideas short of factory reset would be very much appreciated. I just need it to load once more to do a Titanium Backup (and I guess I should install TWRP and do a nandroid backup)!
I've been using my Tab Pro for years now, rooted, works perfectly, and I always leave it on. I thought yesterday, perhaps this is a bad idea, I should turn it off every once in a while. But I wanted to play a game before I did. I click the game icon and then everything froze and it restarted itself.
It gets stuck at the SAMSUNG logo page. Sounds like a typical bootloop. After 20 minutes of waiting, nothing changes, so I hold down the power button and it restarts and actually loads to my home screen! Great! I swipe the screen lock, click on my game -- it restarts, rinse, repeat. Each time it restarts itself it stops at the SAMSUNG page, forcing a second manual reboot that fully loads, but doesn't go 10 seconds before restarting. I try to load different things each time and finally give up.
So I look some stuff up online. There's a suggestion to go into recovery (I could've sworn I had custom, but apparently not?) and "Wipe Cache/Partition." I look up that this is safe and do it (Sidenote: Power+Home+Vol Up only works around every 5th try or so. It glitches out every other time, there's a quick flash and a horizontal line and it restarts again). Now I restart and it worked! It loads and no reboot!
But now, a third of my apps/games have the android guy as an icon and even more of the real icons are all grayed out. I figure one more restart and it would come back. Now I'm back into my weird bootloop. I try wiping cache/partition again and again and it no longer works as a solution...
TL;DR - Tablet keeps restarting to SAMSUNG logo, requires 2nd manual restart. Home screen loads, but then restarts 10 seconds later. Clearing cache/partition made things worse. HALP!
EDIT: My current build is KOT49H.T520XXUANAE. I can't even find the stock ROM for this! Does it exist?
EDIT 2: After letting it charge for an hour (it was already 93%) I went back to it and it had loaded! But the home screen was blank save for the Google search and the Apps icon (which found no apps....). I was able to get into settings and attempted to click Application Manager and then it froze again.
Update: Still in need of help if anyone has any. A wonderful person on the forums linked me to my stock ROM, I pushed that through ODIN, it worked and did the "Android is Updating App XX of 200" thing.
It loaded and didn't crash! Most of the icons came back, but were still grayed out (I have a second partition via Link2SD which, when not rooted, doesn't load!)
So I went to Settings to see if USB debugging was enabled... and it froze. Kind of. It let me bring up the task bar and close settings, but not reload anything. Eventually I was forced to restart because I couldn't do anything. I tried booting into safe mode and still nothing.
Now when it loads, I get repeated "Unfortunately, Samsung keyboard has stopped working." and then the touch screen stops functioning and it restarts. I'm having a great day.
hamstrman said:
Update: Still in need of help if anyone has any. A wonderful person on the forums linked me to my stock ROM, I pushed that through ODIN, it worked and did the "Android is Updating App XX of 200" thing.
It loaded and didn't crash! Most of the icons came back, but were still grayed out (I have a second partition via Link2SD which, when not rooted, doesn't load!)
So I went to Settings to see if USB debugging was enabled... and it froze. Kind of. It let me bring up the task bar and close settings, but not reload anything. Eventually I was forced to restart because I couldn't do anything. I tried booting into safe mode and still nothing.
Now when it loads, I get repeated "Unfortunately, Samsung keyboard has stopped working." and then the touch screen stops functioning and it restarts. I'm having a great day.
Click to expand...
Click to collapse
Few of this probs I did have too.
I would recommend to start from scratch and wipe also your data and sd-card (with TWRP). Install either stock or Custom, but put out your sdcard before re-booting.
Just play around and after that (with no probs hopefully) insert it again.
starbright_ said:
Few of this probs I did have too.
I would recommend to start from scratch and wipe also your data and sd-card (with TWRP). Install either stock or Custom, but put out your sdcard before re-booting.
Just play around and after that (with no probs hopefully) insert it again.
Click to expand...
Click to collapse
I appreciate the response, but as I said, I'm looking for anything shy of factory reset. If I lose all of my apps and data and configuration, I might as well throw out the tablet and buy a new one.
Still trying to figure out the pattern. I got another attempt of it not restarting for 10 full minutes. The keyboard failing is annoying because it doesn't stop, but I can live with it if it means being able to backup my tablet with Titanium Backup. I only got 6 apps backed up before it froze, but I'll get through all of them eventually (I hope). It's just going to be incredibly frustrating.

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