Random Reboots Galaxy Tab S3 - Samsung Galaxy Tab S3 Questions & Answers

Hi, I would need your help, I bought this used tablet (Samsung Galaxy Tab S3 sm-t825 with latest update Android 9.0 Pie) a year ago, after a few months it started having problems with reboots and freezing. During its normal use, in charge and in stand-by, the tablet restarts and most of the time it enters the boot loop for a few minutes, while other times it only restarts and works immediately as it should for a while, sometimes days and sometimes a few minutes. I tried to do numerous factory resets, to reflash the original system with odin, to use the tweaked rom found here on xda and also to clear the cache several times, dalvik, etc ... but nothing worked, I don't think it depends on any app because sometimes the freeze also occurs during the first configuration screen. I have no more ideas on possible causes and solutions, so I ask for your help, hoping that someone can help me solve this strange problem, feel free to ask questions and comment, maybe it could also be useful to others, thanks.

I'm also having this issue, did you manage to find a solution?
I had to flash the latest update just to get my tablet booting and then it took me many attempts to get through the set up wizard.
Now the tablet boots and runs normally for about 5 minutes then restarts.

same here any fixes?

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[Q] I9300 hangs/reboots randomly

Hey,
since about two weeks my i9300 keeps hanging/rebooting randomly. Today it crashed thrice after about one minute after rebooting but the song that was currently playing finished. Just after that, it hang and did nothing. When the phone hangs all I can do is manually force it to reboot. Sometimes it just reboots out of nowhere. This happens mostly when locked and not being used. The logcat is pastebin.com/QdjjrJMT and the dmesg is pastebin.com/bXDJ0fXK Anything that I can do?
Thanks in advance.
N4zroth said:
Hey,
since about two weeks my i9300 keeps hanging/rebooting randomly. Today it crashed thrice after about one minute after rebooting but the song that was currently playing finished. Just after that, it hang and did nothing. When the phone hangs all I can do is manually force it to reboot. Sometimes it just reboots out of nowhere. This happens mostly when locked and not being used. The logcat is pastebin.com/QdjjrJMT and the dmesg is pastebin.com/bXDJ0fXK Anything that I can do?
Thanks in advance.
Click to expand...
Click to collapse
Had the same problem weeks before and solved it with another kernel type. Here are many on the board that are worth to give a try
I have three new logs (connected wirelessly to the device for debugging as it never seems to crash when connected via USB) and left adb logcat running until the device crashed, maybe they help:
knubbig.de/f/log.txt
knubbig.de/f/log2.txt
knubbig.de/f/log3.txt
Am not allowed to post links, sorry.
Would be nice if I could keep everything I have and just solve the problem. Thanks.
I have the same problem for a week now. Was on CM 10.1 nightly 14/03/2013. Complete reinstall and wipe didn´t help.
On Saturday i had 15 freezes/reboots in a row...
Changed yesterday to ParanoidAndroid 3.1 and so far only two freezes this morning. I´m still wondering if it´s the hardware or the software...
freeze
I am having the same problem for 4 days. I used mega wipe , installed 5-6 custom roms but it still freezes and today it started to reboot randomly.
8 reboots/freezes this morning. Other customs doesn´t make it better.
I´m trying a stock rom now and putting it back to warranty status.
I think (at least it seems) I solved it by going back to stock, then re-rooting via cf-auto-root and then installing cm again. I got it to the state i had 24 hours ago with crashes only last evening and it hasn't crashed since.
SGS3 GT-I9300 random reboot all the time, no complete boot.
N4zroth said:
I think (at least it seems) I solved it by going back to stock, then re-rooting via cf-auto-root and then installing cm again. I got it to the state i had 24 hours ago with crashes only last evening and it hasn't crashed since.
Click to expand...
Click to collapse
Hi folks.
My SGS3 had a workshop replacing the motherboard some 2 weeks ago, right the way i installed root and setup "Siyah-s3-v1.8.9-CWM" With UltimaRom v.10 on primary rom, "FoxHound_Rising_2.3_Full-Essential_JellyBean" on the second rom.
This worked great for about a week, then the phone out of the blue starts rebooting all the time, for hours and hours or until it runs out of battery.
No Stock recover through Kies can solve the problem With reboot.
Try to reflash With various roms through Odin With, Aroma installer starts, let me choose the options best suited for XELLA build and after aroma setups is finished and the phone goes on With rom setup, after 2sek or when setup starts or try to start it goes to blackscreen and setup dies.
Have tried many kernels and roms, but the Device is dead.
Any ideas on where to start looking?
Thanks a lot for Your time
nofish said:
Hi folks.
Any ideas on where to start looking?
Battery.
Wipe phone in recovery flash stock rom through Odin .
Fails then its a service centre .
jje
Click to expand...
Click to collapse
N4zroth said:
I think (at least it seems) I solved it by going back to stock, then re-rooting via cf-auto-root and then installing cm again. I got it to the state i had 24 hours ago with crashes only last evening and it hasn't crashed since.
Click to expand...
Click to collapse
Since I flashed the stock rom yesterday, my problems are also gone. I´m trying today a custom rom again.
Stock rom seems to be solving this issue.
N4zroth said:
Hey,
since about two weeks my i9300 keeps hanging/rebooting randomly. Today it crashed thrice after about one minute after rebooting but the song that was currently playing finished. Just after that, it hang and did nothing. When the phone hangs all I can do is manually force it to reboot. Sometimes it just reboots out of nowhere. This happens mostly when locked and not being used. The logcat is pastebin.com/QdjjrJMT and the dmesg is pastebin.com/bXDJ0fXK Anything that I can do?
Thanks in advance.
Click to expand...
Click to collapse
I had the same issue. At first I thought it was the SDS fix, and then it stopped right out of the blue. I'd suggest just using it for another week or two. If it doesn't stop, let us know and then we can maybe find a solution.
Usually it's caused by the phone calling a memory block which is faulty, the fix then tells the phone to stop and it crashes, to save it from dying.
CyanogenModded Very China-like, from my Samsung Galaxy S III
LG Familyguy59/Beatsleigher
Flash stock rom, reroot with odin and the n flash a stable rom
Hassaan.W said:
Flash stock rom, reroot with odin and the n flash a stable rom
Click to expand...
Click to collapse
It´s not as simple as you say. Stock is running fine. But whenever I flash a custom rom, I get random freezes after some time.
But only a few freezes, not nearly as many as before...
So, the freezes are now gone since six days. Flashed a stock rom 3 times in a row.
It´s running fine like before, and i´m gonna stay with stock rom for a few days more to be sure.

Random Restarts (Long story)

Hey guys! This is my first thread here, but I knew this site before. I've got an M4 Aqua E2303, Android 5.0, Build 26.1.A.2.167 (upgraded from .99 with TWRP to keep the root.).
The story : I've got this phone like 4 months ago, I was so happy etc... After it updated to 5.0 it kept restarting randomly. Total random, when it was not under using, if I use it, it does not restart itself. Sometimes the restarts occurs when it's under charging, and sometimes when I want to unlock it and use it, and sometimes total randomly, and sometimes it shuts down. For different verions the problem was different too. On 26.1.A.2.99 it was the worst, it restarded and stuck on the boot screen until reached 0% battery. On 26.1.A.2.128 It turend off the screen, but the phone was running and the LED was red (even when fully charged) and only started with the hard off button in the SD card slot.
I've got the default "Diagnostics" app, now it says that the Phone got system errors 42 times in 10 days. It was worse before (over 140). But it doesn't say why did it restart, I'm hoping for help from any of you, who had this issue and solved it, or someone who knows a better diagnostic tool that will explain what caused the system fault.
I appreciate all the helps!
Have you performed a factory reset? (It will delete all your data and apps)
rp-x1 said:
Have you performed a factory reset? (It will delete all your data and apps)
Click to expand...
Click to collapse
Yes, when the phone was new and the restarts were annoying. It fixed it for 1 day. The next day it was restarting again.
This would point to an app you've installed causing the issue. Factory reset again and install each app one by one until the restarts happen to find out which.
SteveTM said:
Hey guys! This is my first thread here, but I knew this site before. I've got an M4 Aqua E2303, Android 5.0, Build 26.1.A.2.167 (upgraded from .99 with TWRP to keep the root.).
The story : I've got this phone like 4 months ago, I was so happy etc... After it updated to 5.0 it kept restarting randomly. Total random, when it was not under using, if I use it, it does not restart itself. Sometimes the restarts occurs when it's under charging, and sometimes when I want to unlock it and use it, and sometimes total randomly, and sometimes it shuts down. For different verions the problem was different too. On 26.1.A.2.99 it was the worst, it restarded and stuck on the boot screen until reached 0% battery. On 26.1.A.2.128 It turend off the screen, but the phone was running and the LED was red (even when fully charged) and only started with the hard off button in the SD card slot.
I've got the default "Diagnostics" app, now it says that the Phone got system errors 42 times in 10 days. It was worse before (over 140). But it doesn't say why did it restart, I'm hoping for help from any of you, who had this issue and solved it, or someone who knows a better diagnostic tool that will explain what caused the system fault.
I appreciate all the helps!
Click to expand...
Click to collapse
If you used the pre-rooted zip to maintain root while updating to the latest android, this will fix your rebooting problem. Follow this guide:
http://forum.xda-developers.com/m4-aqua/general/guide-fixing-random-gplay-app-install-t3338362
cmstew said:
If you used the pre-rooted zip to maintain root while updating to the latest android, this will fix your rebooting problem. Follow this guide:
http://forum.xda-developers.com/m4-aqua/general/guide-fixing-random-gplay-app-install-t3338362
Click to expand...
Click to collapse
Will try it when I'll have time for it, thanks for the help!

Phone soft bricked, factory reset / loading new ROM doesn't help

My phone (Nexus 4) appears to be soft-bricked, and will not boot up. When I turn on the device, it appears to get part way through the boot process but it never completes, and the bootsplash just keeps spinning forever. The top of the phone where the radios/gps/etc are gets very hot during this time.
I've tried: clearing caches within TWRP, factory reset, loading a couple new ROMs, wiping all partitions and reformatting, updating TWRP. Nothing seems to help.
I'm starting to think it's a hardware problem, but I'm hoping that someone might be able to give me some ideas that I haven't tried yet. I can get into TWRP and can load ROMs.
Some background: My phone is a Nexus 4 (mako) and had Cyanogenmod 13.1 prior to the issues, which has been running fine since last year. Recently my phone was acting glitchy/slow, so I decided to clear the cache and dalvik cache a couple weeks ago. This worked great and got things working well again. When I set things up again I also decided to start using DroidWall, which was the only app on my phone using root. About a week ago I also replaced the battery inside the phone since my old battery was shot and could barely keep a charge. The new battery has been working well, and does not appear to be the part of the phone heating up when the phone is stuck booting.
An update. I found that with the Slim ROM loaded, I can run `adb logcat` while the phone is booting to see what's happening. Lineage OS does not seem to ever get far enough to be seen by adb.
When viewing the Slim logcat, there are a lot of logs generated. Within, there are some DEBUG and backtraces displayed. And, I think the phone may be stuck trying the same thing over and over again as I've seen a section appear about the camera several times.
Earlier today I opened up my phone again, and noticed some pressure contacts on the back cover of the case. I cleaned them all to make sure they were making good contact, but it hasn't helped.

What could be wrong with this phone?(Freezing, restarting, doesn't detect carrier)

Ok hello i'm pretty new to this, but I have looked around quite a bit and nothing seems to help. So my friend gave me this Galaxy S6 edge(more specifically the SM-G925I - TCE Mexico (Telcel)). The issue with this phone is that it freezes then restarts randomly and it also doesn't recognize the carrier. It recognizes that theres a sim but the carrier is not recognized and I don't have access to mobile data. The bigger issue at the moment is the crashes though. I already tried resetting to factory defaults, booting in safe mode, wiping the cache and wiping all the data/ factory reset from the recovery menu. I thought it was the OS or something so I installed twrp wiped EVERYTHING(pretty sure I did since when I rebooted twrp told me if I was sure since I had no os installed) and installed the official 7.0 firmware update from sammobile. It was previously 6.0.1 and I thought having a different version might fix the issue. Yet the issue remains, within a few minutes of me using it it freezes, turns off, and reboots. At this stage I might you might think its a hardware issue but when i'm in recovery or download mode it doesn't turn off. Also I decided to leave it charging when I left for work and when I came back it hadn't turned off at all. I checked the uptime and it was at 7 hours and yet within a few minutes of me checking the settings it froze and turned off. I'm not really sure what to do anymore i'll probably take it to a service center to see whats up but I wanted your opinions first. Thanks.
Sochez said:
Ok hello i'm pretty new to this, but I have looked around quite a bit and nothing seems to help. So my friend gave me this Galaxy S6 edge(more specifically the SM-G925I - TCE Mexico (Telcel)). The issue with this phone is that it freezes then restarts randomly and it also doesn't recognize the carrier. It recognizes that theres a sim but the carrier is not recognized and I don't have access to mobile data. The bigger issue at the moment is the crashes though. I already tried resetting to factory defaults, booting in safe mode, wiping the cache and wiping all the data/ factory reset from the recovery menu. I thought it was the OS or something so I installed twrp wiped EVERYTHING(pretty sure I did since when I rebooted twrp told me if I was sure since I had no os installed) and installed the official 7.0 firmware update from sammobile. It was previously 6.0.1 and I thought having a different version might fix the issue. Yet the issue remains, within a few minutes of me using it it freezes, turns off, and reboots. At this stage I might you might think its a hardware issue but when i'm in recovery or download mode it doesn't turn off. Also I decided to leave it charging when I left for work and when I came back it hadn't turned off at all. I checked the uptime and it was at 7 hours and yet within a few minutes of me checking the settings it froze and turned off. I'm not really sure what to do anymore i'll probably take it to a service center to see whats up but I wanted your opinions first. Thanks.
Click to expand...
Click to collapse
*#0*# test if all sensors,cameras,speakers,etc are working.Test wifi,gps,bluetooth.Try to see if charging port is clean inside...

Galaxy S9+ G965F Bootloop problem, need help

I woke up with a black screen and unresponsive I soft reset and booted back up just fine, fast forward 2 days, apps are constantly crashing and often seemingly randomly the phone will restart and go into a bootloop anywhere from 1-5 minutes before it finally boots. Sometimes I get lucky and can use my device just fine for a few hours, then apps will crash and stuck back in bootloop.
I have factory reset in recovery, and also flashed latest stock rom via odin, I am new to this and this was my first time I might add, it passed but it hasn't resolved the issue, is there anymore steps with odin or anything else I can do to repair this? The device isn't rooted if that helps.
I think that's a motherboard issue
You could try installing a custom rom

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