Root worked fine for couple weeks then fell into bootloop? - T-Mobile Samsung Galaxy S7 Questions & Answers

Hey guys, just wondering if anyone has an explanation for this.
I have T-mobile Samsung Galaxy S7 G930T and had working root for quiet some time until one day some apps started to crash. So I thought I would try clearing app cache and rebooting. Thats when the phone fell into a bootloop and got stuck on the Tmobile logo. I was able to boot up with factory reset but still would fall into bootloop again when restarted. So I redid everything by going back to stock and reroot. Now everything seems to work fine but I was just wondering why that happened? I mean its not like I'm getting bootloop while rooting but all of a sudden after its been working fine for quiet some time. I wouldnt want it to happen again since its a hassle setting up everything.
I am on the latest PIA firmware and could it be google and samsung security are catching up? I think there were rumors where your google accounts could be blocked for rooting which seems highly unlikely. Many are also rooted on PIA firmware but I havent heard of anyone mentioning this. Anybody care to explain to this noob?

Same thing happened to me, I just did a factory reset. But it's happened a total of 4 times now over a period of a month and a half. It sucks having to reset my phone so often, and it's hard to imagine that this is a problem that everyone's dealing with. Which root method did you use? Does anyone know what causes this?

Morganmachine91 said:
Same thing happened to me, I just did a factory reset. But it's happened a total of 4 times now over a period of a month and a half. It sucks having to reset my phone so often, and it's hard to imagine that this is a problem that everyone's dealing with. Which root method did you use? Does anyone know what causes this?
Click to expand...
Click to collapse
That sucks. If it happened to me 4 times I would have stayed on stock haha. It hasnt happened to me again since last root, at least not yet. I did the engboot with princecomsy odin. Hopefully it wont happen again. Are you on the latest PIA firmware? I havent heard of any other instances other than you so it definitely isnt a common problem.

No, you accepted a security policy update notification. Disable it. Please search, there is an exact same thread with solution. Re-do everything, do not accept security policy update that pops up.
---------- Post added at 01:50 PM ---------- Previous post was at 01:48 PM ----------
http://forum.xda-developers.com/tmobile-galaxy-s7/help/phone-wont-boot-google-play-crashes-t3433088

Related

[Q] Legend 2 ICS Edition GPS Problem for Infuse

Hey guys, so I just finished up changing my infuse over to Legend 2 ICS edition and I've been playing with it for about a week and I'm having a rather large issue. Whenever I leave the gps ability enabled so that my apps can find where I am the phone has a tendency to dump battery life like there is no tomorrow but worse than that it stops sending and accepting text messages randomly while the rest of the phone continues to operate. There are no warning signs so that I know this is happening and I have to reboot the phone to get it to work again. If I leave the gps feature off this is not an issue however, this is rather useful to have running so that my apps all work. Any idea how to fix this problem?? Thanks for your time.
I've been running legend 2 for almost a couple weeks and legend before that, my gps was buggy at first-it wouldn't lock on to my location. I did a complete wipe and reinstall, then let the phone boot up and let it settle for a while before I did anything else. Haven't had any problems since
---------- Post added at 03:13 AM ---------- Previous post was at 03:07 AM ----------
http://forum.xda-developers.com/showthread.php?t=1318160
http://forum.xda-developers.com/showthread.php?t=1561463
use clean wipe, I run that a few times just before I flash a rom now, haven't had any problems since I started using that.
Thanks a bunch I'll try that out and get back to you on if it works or not in the next couple of days.
Thanks
Sorry it took me so long to get back to you, work had me pretty tied up for a while. Thanks for the help everything seems to be working fine for the most part now. I need to reboot every once and a while due to overheating but I think thats just the fact that the phone is adjusting to the new ROM. Thanks again for the help.
Klevin2011 said:
Sorry it took me so long to get back to you, work had me pretty tied up for a while. Thanks for the help everything seems to be working fine for the most part now. I need to reboot every once and a while due to overheating but I think thats just the fact that the phone is adjusting to the new ROM. Thanks again for the help.
Click to expand...
Click to collapse
Hmmm, the phone shouldn't be overheating at all, do you do any tibu system restores? I've had an app cause an overheating problem before. One thing I've learned is when you do allot of flashing, checking out different roms or themes, its good to just do an odin or hemdall flash back to stock that has repartitioning.
It gives you a fresh start.
TiBu
I have done TiBu on the phone however I did have to flash it back to stock with odin partway through flashing this rom the second time because I bricked the phone, I'm still at a loss because I need to restart the phone usually once a day because it stops accepting and sending text messages without warning while everything else still works. It's kinda weird, I've been chalking it up to the fact that its a new rom and the phone needed to get used to it but it doesn't seem that way anymore.
Klevin2011 said:
I have done TiBu on the phone however I did have to flash it back to stock with odin partway through flashing this rom the second time because I bricked the phone, I'm still at a loss because I need to restart the phone usually once a day because it stops accepting and sending text messages without warning while everything else still works. It's kinda weird, I've been chalking it up to the fact that its a new rom and the phone needed to get used to it but it doesn't seem that way anymore.
Click to expand...
Click to collapse
Have you tried the new version 3 to see if maybe that helps? This is first Ive heard anything like this. I guess it works fine using another rom?
Sent from my SAMSUNG-SGH-I897 using xda premium
I didn't even know there was a version 3. I'll have to go take a look at that and see what happens. Thanks for the help.
Sent from my SAMSUNG-SGH-I997 using xda app-developers app
Still having issues
Ok so I'm still having an over heating issue and my phone refuses to send or recieve texts for periods of time. I'm going to delete a couple of apps to see if they're causing the problem. If that doesn't work any chance that I'm having a hardware issue with the phone, it wouldn't be the first time I've had issues this would be my 5th replacement due to hardware issues in the phone.

Shutdowns since KitKat

Unrooted, locked RAZR Maxx HD. The only thing not entirely typical about my phone is that I'm in Germany at present, running it on a no -Verizon SIM. Since I updated, I seem to be getting restarts every day or two. Screen blacks out and the phone is unresponsive for a minute or two, then it fires up again. Doesn't quite act like a complete reboot, since I don't get the "Unlock PIN" screen that I do when I boot. But I get the message that the PIN is from an unknown source, and then it works fine. At first I thought that maybe the trouble was from Greenify, which I installed shortly after the update, but uninstalling it didn't help. Any thoughts?
Did you did a Factory Data Reset (FDR)? I know they are a pain since it wipes everything out, but it definitely cures a lot of ills after a major OTA like this one. I'm not saying it cures all issues, but it definitely cures a lot of issues like what you have described.
iBolski said:
Did you did a Factory Data Reset (FDR)? I know they are a pain since it wipes everything out, but it definitely cures a lot of ills after a major OTA like this one. I'm not saying it cures all issues, but it definitely cures a lot of issues like what you have described.
Click to expand...
Click to collapse
Yeah, I was afraid that would be the response. Not afraid in that I don't think it might be right; was just hoping for something easier. That's more than I can take on here; I'll be back in the States for a week next week and might have time for it then. So obviously the answer is no; I cleared the cache, but that's it.
dimdem said:
Yeah, I was afraid that would be the response. Not afraid in that I don't think it might be right; was just hoping for something easier. That's more than I can take on here; I'll be back in the States for a week next week and might have time for it then. So obviously the answer is no; I cleared the cache, but that's it.
Click to expand...
Click to collapse
Yeah, I know. A lot of people hate to hear it, but considering we went from JB to KitKat, that's a pretty big architectural jump. Usually, when things like this happen (GB to ICS, ICS to JB, and now JB to KK), it usually is best to wipe your phone clean and start over from scratch. Definitely resolves a lot of issues like this.
Now, the only other thing I can think of is your SIM card. Since it's non-Verizon, I don't know if that could be the issue. It could be the SIM is bad. You never know.
It will be interesting to see if a return to the states and using a Verizon SIM cures your ills? If so, then I definitely point it to the SIM card and then possibly, a FDR isn't needed.
Hello All,
Does the Factory Data Reset remove all installed apps from phone?
Regards
Rafal
rafjak said:
Hello All,
Does the Factory Data Reset remove all installed apps from phone?
Regards
Rafal
Click to expand...
Click to collapse
Yes. It wipes all installed apps as well as settings, contacts, text messages, etc. It effectively resets the phone back to factory defaults (no Google accounts registered, all email accounts removed, contacts, text messages, etc).
Now, if you've modified it (removed system apps), it will NOT restore those. It can only reset/wipe settings as well as messages, emails, etc, installed apps.
Does Fatory Reset help anybody for constantly rebooting?
Regards
Rafal
dimdem said:
Unrooted, locked RAZR Maxx HD. The only thing not entirely typical about my phone is that I'm in Germany at present, running it on a no -Verizon SIM. Since I updated, I seem to be getting restarts every day or two. Screen blacks out and the phone is unresponsive for a minute or two, then it fires up again. Doesn't quite act like a complete reboot, since I don't get the "Unlock PIN" screen that I do when I boot. But I get the message that the PIN is from an unknown source, and then it works fine. At first I thought that maybe the trouble was from Greenify, which I installed shortly after the update, but uninstalling it didn't help. Any thoughts?
Click to expand...
Click to collapse
I'm getting this in the UK. It is apparently a problem with the Fast Dormancy Monitor on European GSM networks, after the 4.4.2 update
According to a Motorola forum, they are aware of the problem.
Unfortunately the only possible fix I have seen involves rooting the phone then editing the build props file to disable the fast dormancy monitor process
I guess a question many would have here is why arent you rooted and unlocked.......
droidrazr7 said:
I'm getting this in the UK. It is apparently a problem with the Fast Dormancy Monitor on European GSM networks, after the 4.4.2 update
According to a Motorola forum, they are aware of the problem.
Unfortunately the only possible fix I have seen involves rooting the phone then editing the build props file to disable the fast dormancy monitor process
Click to expand...
Click to collapse
Interesting. I came back to report that the problem cleared up once I was back in the U.S. I guess this explains why.
Possibly this:
https://forums.motorola.com/posts/9573b20d40?page=5
---------- Post added at 06:09 AM ---------- Previous post was at 06:08 AM ----------
cmh714 said:
I guess a question many would have here is why arent you rooted and unlocked.......
Click to expand...
Click to collapse
Well, I am now. The last time that I had checked, it hadn't been possible, and I hadn't followed the more recent surprise developments. Now that I've done it I don't plan to take advantage of it, since the phone works fine for me as it, but it's good to have the security for down the road. But thanks for alerting me to the possibility.

Desperate for help

Hey guys!
I have posted before but since then the issue has exacerbated to the point where I'm at my wit's end.
I have the SM-P907A AT&T version of this tablet. I bought it second hand and started experiencing issues almost immediately, although nothing as bad as what I'm going through now.
It began with the odd blue-screen and very rare restart. It quickly escalated when I created multiple profiles (user ids). The restarts would happen entirely randomly but without fail within 10 minutes of operation no matter what I did. Oddly enough, it would NEVER restart when connected to a power supply, though I have drawn very little from that.
Thusly, I factory reset my tablet and hoped that would fix the issue; to no avail. Then I decided to Odin flash the stock ROM. Again no joy. Restarts were persistent and regular when the tablet wasn't connected to a power supply. I then rooted the tablet, installed Titanium Backup Pro and proceeded to freeze all apps/odex-es related to Samsung Knox. As some have posted, doing this helped them out. Not lucky enough, I guess.
My questions:
Did my setting up multiple users somehow mess with the tablet in such a deep and integrated way that even factory resetting, re-flashing stock would not help? Is that even possible? My firmware version is P907AUCU1AND7. I'm going to manually update to Lollipop but if my meddling with the multiple users "broke" something essential, will that help?
No, proppably not
kalaris said:
Hey guys!
My questions:
Did my setting up multiple users somehow mess with the tablet in such a deep and integrated way that even factory resetting, re-flashing stock would not help? Is that even possible? My firmware version is P907AUCU1AND7. I'm going to manually update to Lollipop but if my meddling with the multiple users "broke" something essential, will that help?
Click to expand...
Click to collapse
I don't think that using the multi user functionality has anything to do with the issues you are experiencing. I have 3 user on my tablet and using it for a year now. Both on KitKat and Lollipop that I am using now. Both rooted, KitKat with Xposed also. Never had issues with blue screens and reboots.
Issues with US devices have been posted regularly and explanations have been posted. Don't focus on multiuser for the issues you experience.
I' am using the SM-P905 International version (EUR)
PDA: P905XXUABOG1
CSC: P905EURABOG1
Ridiculous
Okay guys. Seriously ridiculous. I downloaded the lollipop ROM but got an error when adb sideloading it because it requires the previous firmware P907AUCU1ANK2 for it to update properly whereas I have the one older than that: P907AUCU1AND7.
Can someone help a brotha out? Post a link from where I can download it?! Maybe share their stock rom file?! Pretty please? I've managed to find only TWO results on google. One is a mobilefileserver result requiring that I Pay $60. The other is a Chinese site requiring that I pay significantly less but in a way which is baffling me at the moment.
Any good guy out there who can help??????
A member posted links to it in 5.1.1 upgrade posts...
Sent from my SPH-L300 using XDA Free mobile app
zomg! thank you! how'd i miss this?!
kalaris said:
The restarts would happen entirely randomly but without fail within 10 minutes of operation no matter what I did. Oddly enough, it would NEVER restart when connected to a power supply, though I have drawn very little from that.
Click to expand...
Click to collapse
Random restart is the problem of cracked battery connector. Re solder the battery connector will fix it permanently.
Read the thread " Flickering Screen " in Galaxy Note or Tab Pro, you will see they all have similar problem like yours and the fix is simple.
No software or upgrade will fix the hardware problem, regardless Kitkat or Lollipop.

Random reboots

My pixel had decided it's going to randomly freeze and reboot itself
It does it a few times a day and doesn't seem to matter what apps are running
Is there anyway of logging the reboots without root to find the cause?
Sent from my Pixel using Tapatalk
rosswaa said:
My pixel had decided it's going to randomly freeze and reboot itself
It does it a few times a day and doesn't seem to matter what apps are running
Is there anyway of logging the reboots without root to find the cause?
Click to expand...
Click to collapse
Same thing happening to me here too.
What I would do is start from scratch, install factory image, don't install any apps, use for a day to test, then install your apps one by one to find the culprit.
If still rebooting without any apps installed, it might be time for a rma
Sent from my Pixel using XDA-Developers mobile app
I used that Google support and came down to putting the phone I to safe mode for 24 hours to see but some days it does it a few times and other days it's fine
Sent from my Pixel using Tapatalk
Has there been any resolution to this? My Pixel has been randomly rebooting, too. Already tried troubleshooting with Google tech support, tried Safe Mode (did it there, too), and factory reset and cache wipe.
It still happens. And when I say random, I mean random. Sometimes it reboots overnight, sometimes in my pocket, sometimes as I'm using the phone (it'll freeze in some cases too before it reboots). There's no obvious indication of what's causing it.
Has there been any light shed on this problem? Any clue as to whether it's software or hardware related?
Some days it doesn't, others it'll do it 5times. I've not had any luck fixing it which is annoying because it awesome except for that
Google aren't very helpful either, they refused to help because I got my phone through carphonewarehouse lol
Sent from my Pixel using Tapatalk
rosswaa said:
Some days it doesn't, others it'll do it 5times. I've not had any luck fixing it which is annoying because it awesome except for that
Google aren't very helpful either, they refused to help because I got my phone through carphonewarehouse lol
Sent from my Pixel using Tapatalk
Click to expand...
Click to collapse
Yeah, there really is no rhyme or reason to the way it reboots, making it even harder to diagnose.
Rebooted again while it was just sitting on my table. No rhyme or reason to this bug.
I've had my 5" Pixel since launch. Google Store device, 32GB, never unlocked the boot loader.
I had a few random reboots, but never actually saw it happen. I'd go to use my phone and see the pattern unlock screen you get on first use after restart.
I have not had it occur since the January OTA.
UnusualSuspect said:
I've had my 5" Pixel since launch. Google Store device, 32GB, never unlocked the boot loader.
I had a few random reboots, but never actually saw it happen. I'd go to use my phone and see the pattern unlock screen you get on first use after restart.
I have not had it occur since the January OTA.
Click to expand...
Click to collapse
Same here. Sometimes I'll go to my phone wanting to use it, try my finger to unlock, and it'll prompt me to input my pattern because it's required after a reboot. Clearly, rebooting by itself.
It's frustrating because there's no rhyme or reason to it. Sometimes it'll happen multiple times a day, sometimes it won't happen for a couple of days.
At first, I thought the Jan update fixed it too because it didn't occur for a while after the update, but then it reared its ugly head again. I've already tested it in Safe Mode, did a factory reset, and the rebooting still persisted.
If you simply research this on the web, many others are having this issue. And it's even been reported a few times by Android sites/blogs. Google needs to get on top of this. At the very least, they should confirm it's a software issue and not a hardware issue.
---------- Post added at 10:08 PM ---------- Previous post was at 09:09 PM ----------
Just a few links of people online reporting this problem:
https://productforums.google.com/forum/#!topic/phone-by-google/QHp96fk4Ygw
https://productforums.google.com/fo...vS_XxvBh8;context-place=forum/phone-by-google
https://www.reddit.com/r/GooglePixel/comments/59i9e5/pixel_xl_random_restarts/#bottom-comments
Happens at random but only when I'm using Chrome or when my Pixel has been sitting on my nightstand charging.
I've had the phone since launch with no issues. My random reboots just started yesterday and it's happened 5 times in the past 12 hours. Glad I'm not the only one with the problem.
Sent from my Pixel XL using Tapatalk
im thinking this is a hardware issue, im pretty annoyed if it is! i get it like 6 times a day or nothing for a while, makes no difference what im doing or apps being used
Going to try and get a replacement this is a joke, fully wiped and flashed and still does it
Sent from my Pixel using Tapatalk
Mine hasn't really been "rebooting"... It's actually just been suddenly shutting completely off for no reason. It will be fine for a few days, then the next fee days it will simply abruptly shut off for no reason... Battery levels don't seem to make a difference.. Weird.
Sent from my Pixel XL using Tapatalk
For me it seems that the reason lies in Bluetooth or just in the BT stack. If I deactivate bluetooth it works fine through the day. But I need bluetooth so I started BT again and the Pixel XL 128GB crashes sometimes 10 Times a day, but as I checked BT was automaticly deactivated after these first reboots. I seemed. The Pixel stopped rebooting as I activated BT and deactivated it myself.
And now? How long do we have to wait. I don´t think it´s a hardware issue.
So, I have this issue but it became (very) apparent only after the OTA Oreo. First two weeks were fine (and subsequently first two weeks after a factory reset I've done), but then it slowly starts doing this after those 2 weeks. Freezes then reboots. At first it's 1-2 a day, now it's like 12-20. Ridiculous. There's a buganiser thread for this issue and Google is aware of it. Most of the bug reports have this in them:
Code:
Sense Key : Hardware Error [current]
which Google rep says is a hardware issue. I also have an access to a Google's internal buganiser thread on this issue (i'm a vendor) and they refer to this being a Toshiba's memory issue. Not sure though why this started happening only after the Oreo update. Also people who flash Nougat report no issues as well. Another funny thing is that there's at least two users with Pixel (XL) 2 who suffer from it. Anyway, I'll be giving it back to my carrier over the weekend (glad we have 2 year warrant here in UK) even though I'm pretty sure I'll get a refurb with a similar problem after two wasted weeks of wait.
Flash nougat rom and see does this problem occur or not? If not then us nougat for a while then again update to oreo

Freezing - Not sure if random

So since about 2 days ago the phone just start freezing. Sometimes it just restarted randomly, but mainly freezing at least every 5 minutes. The power button alone wouldn't turn it off no matter how long I held it. Always have to use Pwr+Vol Down to reboot.
I put up with it because I've been busy, but finally tried wiping cache - no profit. Tried safe mode - no profit. Factory reset- negative profit. After the reset it just seems to restart a bit more often but in general it freezes less, making the timing seem even more random.
This happened when I first got it (used). It was restarting due to the fresh 7.0 update. So a factory reset fixed it and it was smooth sailing for like 3 months or something. I know there was a minor system update a few days ago but those dont usually call for a factory reset. I tried it anyway and it just didnt work. I had actually even tried uninstalling all the app updates from the night before it started happening. but safe mode couldn't even fix the problem so I guess that was moot.
Software version: G920VVRS4DQE1
Stock everything - I dont hack my daily drivers at all
Android 7.0
Mainly I'd like to know if Im alone. A fix would be great but I'm hoping it's not specific to my device. If it's a hardware issue I'm gonna give it a swift toss down the stairs and maybe deliver a nasty curb stomp to it right afterward.
Any advice?
I'm running into the same exact issue. Same build, and am running out of ideas.
Lathorus said:
I'm running into the same exact issue. Same build, and am running out of ideas.
Click to expand...
Click to collapse
Good to know its not just me. Did it start after a recent update for you also? That would give me hope that its not faulty hardware. Maybe just a bad update.
sawyerbenjamin said:
Good to know its not just me. Did it start after a recent update for you also? That would give me hope that its not faulty hardware. Maybe just a bad update.
Click to expand...
Click to collapse
Yes, it started right after I got a small update. I'm hoping a fix will come. (I'm on verizon).
Lathorus said:
Yes, it started right after I got a small update. I'm hoping a fix will come. (I'm on verizon).
Click to expand...
Click to collapse
Same for Verizon. I guess I'll just hold out, using a backup phone, until a new update hopefully fixes it.
Lathorus said:
Yes, it started right after I got a small update. I'm hoping a fix will come. (I'm on verizon).
Click to expand...
Click to collapse
Gonna go ahead and revive this. It seems to work fine when the sim card is out. I recommend you see if it's the same with you. I've charged it up before work multiple times before work days and come home from to see that it never restarted. I was able to test this using the fingerprint feature; it isn't asking me to use pattern like it does after boot.
No one else is chiming in but, since we're both on Verizon, I'm having a feeling that it's directly related to the SIM/carrier.

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