Random reboots after Nougat update. - Samsung Galaxy S7 Questions and Answers

Hello I have a Galaxy S7 and since the update to Android Nougat 7.0, my phone restarts randomly, it can stay an entire week without restart and it can also restart 2 days in a row. It's totally random. I have reset to the factory settings and I have reinstalled only the most important applications (facebook messenger, viber, yahoo mail) but unfortunately about ten days after reset, the problem has reappeared. What could be the cause of this problem? For info, the firmware version installed on my phone is: G930FXXU1DQBO. Also, I saw on SamMobile that the countries that received the update later, had a new version. Could the problem come from that? Is this a bug in the firmware installed on my Galaxy S7. Thank you in advance for your help.

Have the same problem, I'm on G935FXXU1DQB1.
Sent from my SM-G935F using Tapatalk

Vichenec said:
Have the same problem, I'm on G935FXXU1DQB1.
Sent from my SM-G935F using Tapatalk
Click to expand...
Click to collapse
Thanks for your reply Do you reset your phone too? And what is the average frequency of restarts?

Didn't do anything as it doesn't bother me that much.
Sent from my SM-G935F using Tapatalk

Vichenec said:
Didn't do anything as it doesn't bother me that much.
Sent from my SM-G935F using Tapatalk
Click to expand...
Click to collapse
It is still binding Once I had this problem while I was on call!

I have a thread about this, it was unusual for me too, theese random reboots.
After the third reinstall, (first one everyday rebooting, second one reinstall marshmallow, upgrade to nougat, happened the same reboots, I made again a factory reset and now no reboots and way better battery life) everything is ok for now.

hekermeker said:
I have a thread about this, it was unusual for me too, theese random reboots.
After the third reinstall, (first one everyday rebooting, second one reinstall marshmallow, upgrade to nougat, happened the same reboots, I made again a factory reset and now no reboots and way better battery life) everything is ok for now.
Click to expand...
Click to collapse
Thank you for your reply I received the update in OTA. To reinstall I have to go through Odin? I can not simply reinstall the current firmware (Nougat) via Smart Swith for PC?

I have the same issue guys even if did an hard reset after nougat update. I experienced some reboots after the update (1 March) but very often in these last days. I enabled the pin code for the sim in this way we can see if it happens when don't "monitor" the phone.

I was getting random reboots at one point due to a kernel panic (something to do with Samsung's zswap implementation). It hasn't been happening for a while though. I think they probably fixed it in newer versions. I'm on DQCF currently.

rikiko1g said:
I have the same issue guys even if did an hard reset after nougat update. I experienced some reboots after the update (1 March) but very often in these last days. I enabled the pin code for the sim in this way we can see if it happens when don't "monitor" the phone.
Click to expand...
Click to collapse
I think this is a software bug. Hopefully Samsung will quickly realize and deploy a corrective update. For my part, I reported this problem by sending an error report via the application "Samsung Members".

CurtisMJ said:
I was getting random reboots at one point due to a kernel panic (something to do with Samsung's zswap implementation). It hasn't been happening for a while though. I think they probably fixed it in newer versions. I'm on DQCF currently.
Click to expand...
Click to collapse
I'm on DQBO, this may be why I still have this problem. Did you directly receive Android Nougant in DQCF or was it a patch update?

GeekTN said:
I'm on DQBO, this may be why I still have this problem. Did you directly receive Android Nougant in DQCF or was it a patch update?
Click to expand...
Click to collapse
Flashed full image from SamMobile and setup from scratch. I'm too impatient to wait for patches

having random freeze / reboot on a g930fd (dual sim) as well , since a few weeks
flashed several times, factory reseted several times, root or no-root ....
no solution ...

basile said:
having random freeze / reboot on a g930fd (dual sim) as well , since a few weeks
flashed several times, factory reseted several times, root or no-root ....
no solution ...
Click to expand...
Click to collapse
This may be a software bug. What is your firmware version?

build NRD90M G930FXXU1DQB7 is the latest rom
with the latest samsung security update
meanwhile I left root aside, as I noted a strange thing while working under twrp that being 'unable to mount' /data map
problem occurs after filling up the memory (yes a 32gb version) and making more and more apps working (under root)
so, considering the above, might it be a physical ram problem ?
reading searching the net I noticed that many people are having this problem

basile said:
build NRD90M G930FXXU1DQB7 is the latest rom
with the latest samsung security update
meanwhile I left root aside, as I noted a strange thing while working under twrp that being 'unable to mount' /data map
problem occurs after filling up the memory (yes a 32gb version) and making more and more apps working (under root)
so, considering the above, might it be a physical ram problem ?
reading searching the net I noticed that many people are having this problem
Click to expand...
Click to collapse
No, I do not think that's what caused the problem. If the problem appeared after the Andoid Nougat update, it is that it is a software bug. I have a Galaxy S7 duos (SM-G930FD) me too and my firmware version is the G930FXXU1DQBO and I also have a problem of random restarts that persists even after a factory reset. Apperently the latest firmwares do not have this problem. It is necessary to wait for the next corrective update. Otherwise, what is the frequency of the random reboots of your phone? My phone is once a week.

there is no linearity ... can happen once a day, a week or several times in one day
sometimes it completely gets stuck and I have to wait for the battery to fully discharge before being able to reboot to a working phone ...

basile said:
there is no linearity ... can happen once a day, a week or several times in one day
sometimes it completely gets stuck and I have to wait for the battery to fully discharge before being able to reboot to a working phone ...
Click to expand...
Click to collapse
Have you tried restarting your phone in secure mode to see if the problem is from an application that you have installed?

Same here, I though that was Fleksy that sometimes load the phone and I had to shut it down manually (Power button + volume - for 7 sec) for a restart. Sometimes it restart itself.
Very frustrating, I'm on G930FXXU1DQB1 (German model), and when i search for update it says "up to date : DQB3 / DQA8 / DQB1."
Irritating as well !

Greg2Lu said:
Same here, I though that was Fleksy that sometimes load the phone and I had to shut it down manually (Power button + volume - for 7 sec) for a restart. Sometimes it restart itself.
Very frustrating, I'm on G930FXXU1DQB1 (German model), and when i search for update it says "up to date : DQB3 / DQA8 / DQB1."
Irritating as well !
Click to expand...
Click to collapse
This problem of random reboots often happens to your phone? What is the frequency of these restarts?

Related

Strange problems with Galaxy r

Ok so it is like this:
I bought my galaxy r here in sweden 1 year and 3 months ago, it was working perfectly for around 1 year.
At the one year mark i started to have some problems with the touchscreen where the phone would feel a pressure in the middle of the screen, to get rid of this i simply locked and unlocked the phone or rubbed a bit with a cloth on the screen.
Recently when I saw there was a cm10.1 rom with nightlies I rooted my phone and later installed the cm10.1 rom. Now the most anoying thing. I have a problem with my battery where the phone just shuts down randomly (mostly when playing games) even though it sometimes have up too 80% battery remaining. Then when I restart the phone it usually have 0% battery left and therefore shuts itself down again, sometimes it restarts with just a 20-30% batteryloss. This have occured more often recently and it shuts itself of 3-4 times a day. I can't remember if it was like this when i was on stock, before I started to flash and root, but i think it was.
A few days ago i flashed stock ics from odin and I confirmed that both of these problems still were there, so i have hard to belive that it is the modding of the software that have caused this.
Do you guys have any suggestions to how i can be able to use my phone normally again?
Im just a poor student so i don't want to waste money on a new phone after just 1 year :/
wipe data and cache..i think after flashing u restore ur data back.
Sent from my GT-I9103 using Tapatalk 4 Beta
Will this help with the battery?
kataria.vikesh said:
wipe data and cache..i think after flashing u restore ur data back.
Sent from my GT-I9103 using Tapatalk 4 Beta
Click to expand...
Click to collapse
Will this help the crashing/battery?
DippN said:
Will this help the crashing/battery?
Click to expand...
Click to collapse
It may be help you but first tell me, are you restoring data from titanium backup or something related to that..??
Also if you want to take backup then take it using Super backup application.
kataria.vikesh said:
It may be help you but first tell me, are you restoring data from titanium backup or something related to that..??
Also if you want to take backup then take it using Super backup application.
Click to expand...
Click to collapse
Nope, im not takeing backup of anything.
And one other thing i forgot to mention earlier, the phone now also thinks it is charging itself evrn when it is not. It think the usb cable is still connected.
I hope OP doesn't mind that I'm joining his thread, I'm experiencing the same problems on my gfs phone and don't know what to do.
I just installed the fresh CM 10.1 nightlies (did Cache/Data/Dalvik Wipe) and she is experiencing pretty much the same problems:
After 1 or 2 hours of unplugging the phone gets stuck and shuts down. After restarting the battery percentage is pretty low and the phone shuts down again (even if the battery says ~10%). The battery percentage then changes every restart, but is always between 0 and 20%. The phone is barely usable in this state :/
I couldn't wipe the SD card (.android_secure) because the swapped paths, could this be related?
Thank you in advance!
paKS7 said:
I hope OP doesn't mind that I'm joining his thread, I'm experiencing the same problems on my gfs phone and don't know what to do.
I just installed the fresh CM 10.1 nightlies (did Cache/Data/Dalvik Wipe) and she is experiencing pretty much the same problems:
After 1 or 2 hours of unplugging the phone gets stuck and shuts down. After restarting the battery percentage is pretty low and the phone shuts down again (even if the battery says ~10%). The battery percentage then changes every restart, but is always between 0 and 20%. The phone is barely usable in this state :/
I couldn't wipe the SD card (.android_secure) because the swapped paths, could this be related?
Thank you in advance!
Click to expand...
Click to collapse
Im just glad im not alone with this problem, and as you said, its barely unusable without having it plugged in.
DippN said:
Im just glad im not alone with this problem, and as you said, its barely unusable without having it plugged in.
Click to expand...
Click to collapse
paKS7 said:
I hope OP doesn't mind that I'm joining his thread, I'm experiencing the same problems on my gfs phone and don't know what to do.
I just installed the fresh CM 10.1 nightlies (did Cache/Data/Dalvik Wipe) and she is experiencing pretty much the same problems:
After 1 or 2 hours of unplugging the phone gets stuck and shuts down. After restarting the battery percentage is pretty low and the phone shuts down again (even if the battery says ~10%). The battery percentage then changes every restart, but is always between 0 and 20%. The phone is barely usable in this state :/
I couldn't wipe the SD card (.android_secure) because the swapped paths, could this be related?
Thank you in advance!
Click to expand...
Click to collapse
Both of you install CM10.1 using Procedure no 2 from OP.
kataria.vikesh said:
Both of you install CM10.1 using Procedure no 2 from OP.
Click to expand...
Click to collapse
Will try that when i get home, thx.
kataria.vikesh said:
Both of you install CM10.1 using Procedure no 2 from OP.
Click to expand...
Click to collapse
Thank you, vikesh! I'll be able to try Procedure II tomorrow afternoon.
paKS7 said:
Thank you, vikesh! I'll be able to try Procedure II tomorrow afternoon.
Click to expand...
Click to collapse
Sadly, I can confirm that this did not change anything.
The problems are still there :/
DippN said:
Sadly, I can confirm that this did not change anything.
The problems are still there :/
Click to expand...
Click to collapse
It shouldn't be happened. But if u are feeling so, just flash any stock GB using odin v1.87. Then just wipe all data and cache. Install cm10.1 over that using method 2.
Sent from my GT-I9103 using xda premium
kataria.vikesh said:
It shouldn't be happened. But if u are feeling so, just flash any stock GB using odin v1.87. Then just wipe all data and cache. Install cm10.1 over that using method 2.
Sent from my GT-I9103 using xda premium
Click to expand...
Click to collapse
I'm definitely going to try this, but as it seems now i think it is more about a faulty battery/hardware that software?
Or have these kind of problems been fixed software before?
One other thing, if i have rooted my device, does the root dissappear when i flash stockrom using odin?
DippN said:
I'm definitely going to try this, but as it seems now i think it is more about a faulty battery/hardware that software?
Or have these kind of problems been fixed software before?
One other thing, if i have rooted my device, does the root dissappear when i flash stockrom using odin?
Click to expand...
Click to collapse
May be hardware or software too..when you will vanish all data & cache then Software issue may be gone but if problem still persist, means you have hardware problem.
Also, root will be lost after flashing Stock ROM from ODIN.
I'm able to also confirm, that Procedure II didn't help the problem. I really doubt it is a hardware fault, because of us two having the exact same problem after flashing the same rom.
@Dippn: Do you know which nightly build you used? In my case it was the nightly build "20130405". Also could you check which baseband you are on? (Under About Phone -> Baseband Version) Over here we have i9103NEKI1
The only special thing we did I can think of is flashing a modem file (when we were still on the unofficial cm10.1 without these kind of problems, but massive battery drain), because there was a call problem going on for customers of the austrian provider 3 and CM10.1.
I could analyse the problem a bit more today: It seems as soon as the phone gets busy (for example from the browser loading pages or in DippN's case processing a game), the touch screen gets unresponsive and everything starts to lag and delay or freezes completely until it shuts down the phone. Could be either CPU or RAM related, I guess. I just wonder what caused this, even if the nightly had a faulty kernel, this should be fixed as soon as we flash another ROM, right?
I will be able to try a different ROM on monday. It would be great, if you could report, if the downgrade to GB helped the issue. I'd like to try a different baseband, if you are on the same right now too.
Greetings and thank you so much for trying to help us, vikesh!
paKS7 said:
I'm able to also confirm, that Procedure II didn't help the problem. I really doubt it is a hardware fault, because of us two having the exact same problem after flashing the same rom.
@Dippn: Do you know which nightly build you used? In my case it was the nightly build "20130405". Also could you check which baseband you are on? (Under About Phone -> Baseband Version) Over here we have i9103NEKI1
The only special thing we did I can think of is flashing a modem file (when we were still on the unofficial cm10.1 without these kind of problems, but massive battery drain), because there was a call problem going on for customers of the austrian provider 3 and CM10.1.
I could analyse the problem a bit more today: It seems as soon as the phone gets busy (for example from the browser loading pages or in DippN's case processing a game), the touch screen gets unresponsive and everything starts to lag and delay or freezes completely until it shuts down the phone. Could be either CPU or RAM related, I guess. I just wonder what caused this, even if the nightly had a faulty kernel, this should be fixed as soon as we flash another ROM, right?
I will be able to try a different ROM on monday. It would be great, if you could report, if the downgrade to GB helped the issue. I'd like to try a different baseband, if you are on the same right now too.
Greetings and thank you so much for trying to help us, vikesh!
Click to expand...
Click to collapse
Well, we are not on the same baseband. I'm on I9103XXLQ3.
About the cm verison im not quiet sure, the latest i flashed was "20130406" but since the problem were there the time before that when i flashed cm I cant answer exacly but i have a cm version "20130305" on my desktop and it could be that one that I used.
I never used cm before it was on nightlies so the modem file flashing i dont know anything about.
The thing you mention about that it shuts of when the phone gets busy and touchscreen gets unresponsive I can kind of confirm too.
I will flash GB now, will report back in an hour how it went.
kataria.vikesh said:
It shouldn't be happened. But if u are feeling so, just flash any stock GB using odin v1.87. Then just wipe all data and cache. Install cm10.1 over that using method 2.
Sent from my GT-I9103 using xda premium
Click to expand...
Click to collapse
Are you sure i should do it using v1.87?
I'm having problems finding it and v1.85 seems to be in everyones links.
DippN said:
Are you sure i should do it using v1.87?
I'm having problems finding it and v1.85 seems to be in everyones links.
Click to expand...
Click to collapse
Flashed GB using v1.85 and now I am stuck in bootloop, after 10 sec at the samsung logo it restarts and repeat. >.>
When the phone restarted after the flash and after it says "-updating application" it says:
Installing Multi-CSC
Can't access to '/system/csc/NEE/system/'.
Successfully applied multi-CSC.
I have no idea what this means but could it mean anything?
EDIT: I got it to start by wipe cache and data. (thought i should do that when cwm was installed)
Unfortunately already in the startup options when u write wifi password the touchscreen became very unresponsive and when i after a few min had succeded writing the password the phone shut of when it tried to connect to it! :,(
I can also confirm that it still thinks it is charing when it is not becuase the symbol in the statusbar flicked from battery to charging symbol.
Is there anything else softwarerelated that I can do?
DippN said:
Flashed GB using v1.85 and now I am stuck in bootloop, after 10 sec at the samsung logo it restarts and repeat. >.>
When the phone restarted after the flash and after it says "-updating application" it says:
Installing Multi-CSC
Can't access to '/system/csc/NEE/system/'.
Successfully applied multi-CSC.
I have no idea what this means but could it mean anything?
EDIT: I got it to start by wipe cache and data. (thought i should do that when cwm was installed)
Unfortunately already in the startup options when u write wifi password the touchscreen became very unresponsive and when i after a few min had succeded writing the password the phone shut of when it tried to connect to it! :,(
I can also confirm that it still thinks it is charing when it is not becuase the symbol in the statusbar flicked from battery to charging symbol.
Is there anything else softwarerelated that I can do?
Click to expand...
Click to collapse
Wipe data again.. If possible after wiping data Just reflash the GB.

Galaxy S7 restarts randomly!

Hey, XDA-ers!
I got the Android Nougat 7.0 update for my Samsung Galaxy S7 SM-G930FD (DUOS) back in January if I remember correctly. And the update process went like how it normally does. But ever since I got the Nougat update, my phone restarts randomly for no reason. At first it used to restart when I click on the 'Recent Apps' button to switch between apps. When I tap on the button, the phone vibrates and restarts. The phone never over heated before this happens. During this, the phone used to restart 2-3 times a day. This went on for 2 months. Then now, the number of restarts reduced to 1-2 per day, but the problem still persists. And now, it restarts even when I don't touch the 'Recent Apps' button. So, if any of you has had a similar experience or if any of you could help me out Please share it here. It would be GREAT!
Also just one more thing- Any of you seen any DRASTIC or worse changes in battery life of your Galaxy S7 after the Android Nougat 7.0 update? Please share your thoughts here and do suggest how you solved the problem. (My battery drains so fast that I sometimes charge it twice a day. I don't even use my phone for half of the day because I'll be at school and still the battery drain is bad! )
Factory reset. Backup your data via kies and then reset it.
Change your battery
What firmware version are you running? There's at least one version of Nougat that has issues with this
https://forum.xda-developers.com/galaxy-s7/help/random-reboots-nougat-update-t3584333
Us3rNam3d said:
Factory reset. Backup your data via kies and then reset it.
Click to expand...
Click to collapse
Hey, man!
I already tried it like 3 times now. No luck!?
CurtisMJ said:
What firmware version are you running? There's at least one version of Nougat that has issues with this
https://forum.xda-developers.com/galaxy-s7/help/random-reboots-nougat-update-t3584333
Click to expand...
Click to collapse
Hey man!?
The screen shot attached has my software info. Check it out and tell me if it's one of the versions with the problem.
Thanks!
Hmm... and after the factory reset with no apps installed you are still rebooting?
Why dont you try to reflash your firmware via odin.
Download it from sammobile and reflash it.
AgentArjun56 said:
Hey man!?
The screen shot attached has my software info. Check it out and tell me if it's one of the versions with the problem.
Thanks!
Click to expand...
Click to collapse
Possibly. I can vouch for it being fixed on DQCF onwards, which is newer than DQC4. The temporary fix seems to be to use as little RAM as possible(try to cut down on background apps until the next update). That firmware isn't terribly old though. I would actually agree with trying a reflash first.
CurtisMJ said:
Possibly. I can vouch for it being fixed on DQCF onwards, which is newer than DQC4. The temporary fix seems to be to use as little RAM as possible(try to cut down on background apps until the next update). That firmware isn't terribly old though. I would actually agree with trying a reflash first.
Click to expand...
Click to collapse
I think it is also possible to reinstall the same firmware with Smart Switch from the menu "Emergency Software Recovery and Initialisation". It's like Odin but much simpler especially for beginners. As for me, I am still in DQBO and I await the update DQD7 which is beginning to be deployed in some countries. If this is not going to solve the problem, I will try to reinstall the fimware with Smart Switch. What do you think ?
GeekTN said:
I think it is also possible to reinstall the same firmware with Smart Switch from the menu "Emergency Software Recovery and Initialisation". It's like Odin but much simpler especially for beginners. As for me, I am still in DQBO and I await the update DQD7 which is beginning to be deployed in some countries. If this is not going to solve the problem, I will try to reinstall the fimware with Smart Switch. What do you think ?
Click to expand...
Click to collapse
If it's restarting due to the firmware bug then DQD7 will most definitely fix it. Beware of the emergency recovery though. Ive not used Smart Switch but the "initialization" part sounds like it would wipe the device, though that could fix any issues. Backup first, if you can.

Random reboots after upgrading to Android 10

Hi,
Has anyone experienced random reboots or similar issues after upgrading to Android 10? I'm on retla and, since receiving the new version a couple of days ago, my phone has been rebooting randomly. Sometimes it's 5 times in a row, others only once. I know a factory reset might help, but I was hoping not to get to that instance. While on Android 9, I never experienced similar issues with this phone, and no new apps have been installed recently.
Thanks.
Hi. No reboot for me. I recommend reset.
No reboot for me x2
Thank you all for confirming this. I'll be performing a factory reset then.
my phone has been rebooting randomly too.Hard reset and factory default did not help.I wait fix from moto
My phone also reboots by itself mostly at night:crying:
For me works stable
It looks like a factory reset resolved the issue for me. It's been 2 days without reboots...
joseph_1802 said:
It looks like a factory reset resolved the issue for me. It's been 2 days without reboots...
Click to expand...
Click to collapse
Not for me (((
Also happening to me. Happened in android 9 and solved on their last update before android 10. Now it's happening again, hopefully it will be solved on Motorola's next upgrade patch

Question Random Restarts

So anyone else having random restart issues no matter what firmware you are running?
I am having this issue even after updating the firmware (yes I managed to get it updated lol didn't realize need to do it in increments rather straight to the latest).
I found a work around sort of but it requires having my hotspot on and another device connected at all times to keep the phone from restarting randomly.
Has anyone else ran into this issue and have a fix? Could it be a battery optimization setting?
Thanks
i got it when i update the rog 5 to latest version so i factory reset it then worked well
messhary said:
i got it when i update the rog 5 to latest version so i factory reset it then worked well
Click to expand...
Click to collapse
Ok thank you for replying, I just finished backing up with Migrate and going to do a factory wipe and then restore all my apps. Hopefully that solves my issues.
I have the same problem for last two firmware updates, for each update I need to do a full factory reset in order to let it work again!

Since A12 update restarts and playstore errors

Hey
since I installed the official android 12 update on my phone I am getting restarts at around5am-6am as well as some strange playstore errors when installing applications.
Does anyone knows why these errors occour?
unfortunately at this time I can only attach the logs of the playstore error while installing an app as I am sleeping around 5am/6am and I cant create logs in time.
Probably auto restart is active.
Lol, probably shouldn't have been so eager to move to 12.
yeah, the same thought occured to me as well haha
nah autorestart is disabled, checked that as well. Changed my csc via samkey, maybe that caused the issue. I will reset my phone tomorrow maybe.
mautz001 said:
yeah, the same thought occured to me as well haha
nah autorestart is disabled, checked that as well. Changed my csc via samkey, maybe that caused the issue. I will reset my phone tomorrow maybe.
Click to expand...
Click to collapse
Yeah a factory reset is mandatory. Lol, maybe auto restart is a permanent Android 12 feature.
For users like me that run for days at a time without rebooting

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