Galaxy tab S SM-T800 random restarts probably since marshmallow update - Galaxy Tab S Q&A, Help & Troubleshooting

So i've already searched for this problem but i couldn't find anything. This tablet belongs to my grand parents. They only do simple things on this tablet such as solitaire, browse internet or watch the weater. Since 11 days they have a problem with random restarts of the tablet. I don't know if it is related to the battery connector on the mobo but i haven't seen the issue yet because it occurs randomly. I am experienced with installing roms and rooting but couldn't find a way on how to downgrade this tablet to lollipop. Is this a possible hardware failure or do i need to downgrade?
Greetings from the Netherlands.

daxanoxe said:
So i've already searched for this problem but i couldn't find anything. This tablet belongs to my grand parents. They only do simple things on this tablet such as solitaire, browse internet or watch the weater. Since 11 days they have a problem with random restarts of the tablet. I don't know if it is related to the battery connector on the mobo but i haven't seen the issue yet because it occurs randomly. I am experienced with installing roms and rooting but couldn't find a way on how to downgrade this tablet to lollipop. Is this a possible hardware failure or do i need to downgrade?
Greetings from the Netherlands.
Click to expand...
Click to collapse
Had similar, reinstall after full wipe seems to have solved random reboot.

Ok, i will Factory reset it and then Flash the Stock rom with Odin and post my results when i have time. Thank you.

I have just reinstalled touchwiz via kies 3's firmware upgrade. First time went bad because of the cable. Second time went good and i will be giving the tablet to my grand parents as soon as i can. Will reply when fixed or still occuring.

and if everything fail, check the battery connections

Related

[Q] GT-I9195 crashes and becomes hot

Hey guys,
Within the last two days I experienced the follwoing problem with my S4 mini GT-I9195;
For some reason it crashes so I can't turn on my screen and it becomes hot.
If that happens I have to remove the battery to be able to re-boot again.
The phone is rooted but with stock-rom - I didn't find any thread describing a similar problem.
Unfortunately that always happened while the phone was in my pocket and not in use...
The phone is 1 week old was rooted at the first day and this failure occured starting on Thursday.
Thanks,
Sebastian
Do you have a lot of apps installed? If so, you may have conflicts between some that run in the background (it happens).
If you haven't tried, do a data wipe / factory reset and see if that will resolve it.
You might have a badly manufactured S4 Mini and the last resort would be to flash it a stock rom and kernel to lose traces of rooting and just take it back wherever you got it from. Hopefully it can be replaced with a new one.

[Q] S4 mini rebooting very often!

Hi all!
First of all thanks for your work..it's awesome!!thanks to you i enjoyed my s plus until some days ago it has broken..very sad day
However i decided to move on with a more modern cel, so i decided for a s4 mini.
But since the beginning i've had lot of problems..
My phone after an original update from samsung started to freeze and reboot..more and more often..i read it could be an issue with original update so i decided to mod my phone since i've had great improvements with my old s plus..
first i installed cm11 but the phone keep rebooting and rebooting ..so i installed cm12 with android l..but the problem is still here!!
the more my phone became hot the more it reboot..it's unusable and i don't know what to do..i'm also begin to doubt it's a hw problem
my warranty is gone with all this mods..so what to do? any others has this kind of problem?
thanks if yo want to answer
People encountering this should perform a factory reset and wipe everything from the phone.
Then, perform a clean install of whichever rom you wish to use, without any additional apps.
I recently encountered an issue with Apex Launcher and a recent update. Android keep crashing and soft rebooting often.. only after a few days did I realise the launcher was the issue. Since I uninstalled the app the phone hasnt restarted once!
Mine restarts after i turn on Mobile Data + GPS for navigation..
It works for a minute and restarts.
I don't know where the problem is either. I tried to flash cm10, 11.. stock 4.2 / 4.4 and nothing seems to get me rid of the problem

[Q] S4 mini reboots

Hello,
I have an I9195 S4 mini that's relatively new, about 3-4 months, but the problem has been there from the beginning. I have sent it to repairs under warranty 3 times now but nothing's changed, so I decided it was time I took the things into my own hands.
The phone reboots while using WhatsApp. I have tried uninstalling all the other apps and nothing changed. So, only when using WhatsApp it restarts, but that's a huge problem for me since i want to use WhatsApp regularly, all day long sometimes.
What's there to do? Flashing a custom ROM?
Thanks in advance.
iwanvs said:
Hello,
I have an I9195 S4 mini that's relatively new, about 3-4 months, but the problem has been there from the beginning. I have sent it to repairs under warranty 3 times now but nothing's changed, so I decided it was time I took the things into my own hands.
The phone reboots while using WhatsApp. I have tried uninstalling all the other apps and nothing changed. So, only when using WhatsApp it restarts, but that's a huge problem for me since i want to use WhatsApp regularly, all day long sometimes.
What's there to do? Flashing a custom ROM?
Thanks in advance.
Click to expand...
Click to collapse
Well, if u still have warranty on it, you should go there and explain them very well what is happening, that their service did nothing to help you, and that you want this problem solved, you should be taking advantage of your warranty, if it does reboot on a stock rom, then the rom isn't the problem, anyway, if you really want to flash something , try flashing a newer version(if it is available in your country) trought Samsung KIES, you can get the firmware from sammobile.com
The warranty won't help sadly. I've tried it but they can't help. I'd rather have something done myself than them keeping the phone for 20 days and doing nothing.
The version on the phone is xxucnj6. I've found the same one on sammobile, it says it's Russian Black addition 4.4.2.
Do you have any suggestions to what else I should flash ( there's no new updates for S4 mini).
Thanks.

Tab s t705 screen freezes on charging and needs home+vol.down+power button to restart

Tab s t705 singapore updated to hong kong lolipop 5.0.2.
Been using it for a month without problems till suddenly started freezing in certain situations.till now i think its isolated to charging!
Device rooted supersu/twrp.
Ive read about it on internet couldnt find aolution and happened to other tab s (800..700..etc) no solution found and some said linked to lollipop but ive used it a while before anything happened.
What i did and did NOT work.
1.with without sim/
2. Delete cashe/dalvik and wipe to factory
3, restore a previous backup twrp where the issue want there
4. Installed other rom ..blissrom
5.flashed seperal kernels and updated twrp to latest for tab s
6.using other charger
Can be hardware? What can go wrong? Maybe from a drop something happened?
It keeps freezing with wtever last on screen. Lockscreen/app opened/home screen..mostly on lockscreen as it seems to happen a while after starting charging.
Please help this problem is driving me crazy since i lose all my work when it happens and im on stock rooted lolipop rom
Anyone ??
No1
8.4 models have been known to have problems with the battery connector which causes issues. There is a video on YouTube for the fix.
i think its solved !
rolled back to stock 4.4.2 od3 that came with the tab s. rooted backup.
i dont know what app/update/root/kernel might cause it but seems it was actually from lollipop and confirmed now !
AND SEEMS TO WORK BACK NORMALLY NOW !
I doubt it's lollipop itself but more a rogue app if that is the case.
I would make a backup of your current system with flashfire then reinstall lollipop and see if it happens again.
If it does restore your flashfire backup.

suddenly shutdown or reboot

Hi,
recently i purchased the tablet and sadly i found a problem...
every time i play any type of game, tablet randomly restart or shutdown... i have trying anything to resolve the issue but the problem persist.
i found in others forum that problem exist in other models....
someone can give me some recomendations about whan i can do?
thanks for answer
MICHAEL(SMHOS.ORG) said:
1.download antivirus
2.use android adb multi tools to format the phone
3.download the stock firmware and flash the phone
Click to expand...
Click to collapse
i tried applying factory reset and problem persist..
is that same a "format?"
Rukrom said:
Hi,
recently i purchased the tablet and sadly i found a problem...
every time i play any type of game, tablet randomly restart or shutdown... i have trying anything to resolve the issue but the problem persist.
i found in others forum that problem exist in other models....
someone can give me some recomendations about whan i can do?
thanks for answer
Click to expand...
Click to collapse
Check for any viruses by installing a good licensed ANTIVIRUS.
Check weather your RAM is occupied / filled with trash
then Factory reset it.
I have played Fortnite on my Tab S4 with no issues. Maybe you should contact Samsung for a replacement.
Rukrom said:
randomly restart
Click to expand...
Click to collapse
Hello Rukrom! Please try to reproduce the problem with disabled wi-fi and GPS only geolocation.
Rukrom said:
Hi,
recently i purchased the tablet and sadly i found a problem...
every time i play any type of game, tablet randomly restart or shutdown... i have trying anything to resolve the issue but the problem persist.
i found in others forum that problem exist in other models....
someone can give me some recomendations about whan i can do?
thanks for answer
Click to expand...
Click to collapse
Most likely its a hardware issue, most likely it will be the ribbion that connects battery to motherboard! That's loose. You will need to send to Samsung to get it fixed as i had the Same issue on Tab S 8.4!

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