Auto shut downs - Galaxy S 4 Q&A, Help & Troubleshooting

Hello i have galaxy s4 that randomly shuts itself down but its not like a random instant shut down its a proper shut down with samsung logo etc any ideas

wolfaas12345 said:
Hello i have galaxy s4 that randomly shuts itself down but its not like a random instant shut down its a proper shut down with samsung logo etc any ideas
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Shut down or reboot? Cuz they are two different things.
Shut down is when it turns off completely. Reboot is a restart.
And give us some more info about the device. Is it rooted or unrooted? Is it running stock or custom roms?
Stuff like that.

GDReaper said:
Shut down or reboot? Cuz they are two different things.
Shut down is when it turns off completely. Reboot is a restart.
And give us some more info about the device. Is it rooted or unrooted? Is it running stock or custom roms?
Stuff like that.
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Im on stock non rooted for start second it happens when i try to call someone they get the call but when they answer nor s4 nor other person can hear it and then s4 shows a booting logo and stays there
But if someone calls me screen goes black i can only see notification bar saying that im receiveing a call and when other person drops the call black screen becomes screen you use to answer the call
also when i try to play google music music app youtube or other app that makes (sound) it crashes that app and system crashes sometimes

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[INFO] Random Reboots aren't True Reboots

I think many of you are misinterpreting the "Random Reboots" you're experiencing. Unless the screen goes completely blank, then it is not a true reboot, if all it does is flash back to boot animation it is just the graphical shell crashing.
Good point, I did notice that it booted up significantly faster than a full reboot when it happened to me before and that it only dropped to the boot animation.
That makes a lot of sense actually
Sent from my MB860 using XDA App
Thanks for the suggestion - that does make some sense. Is there a way to verify this, though? In my case, my DInc will be in a stand on my desk - screen off, so I can't actually see what happens - when I'll hear it vibrate, and I'll notice the white HTC screen followed by the boot animation. It's only done this since I rooted, and it has done it with at least three of the ROMs I've used.
CaptBananaPants said:
Thanks for the suggestion - that does make some sense. Is there a way to verify this, though? In my case, my DInc will be in a stand on my desk - screen off, so I can't actually see what happens - when I'll hear it vibrate, and I'll notice the white HTC screen followed by the boot animation. It's only done this since I rooted, and it has done it with at least three of the ROMs I've used.
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Yeah, same deal. I have learned to do "real" reboots, especially after rooting. What I mean is actually turning it off, counting to like 20 (maybe pull the battery), and then turn it back on.
Recently I had an issue with the capacitive buttons not lighting up at all so I tried a "quick" reboot (the kind that requires root) and it did nothing, then I tried a "real" reboot and they work fine now.
Agreed. I can confirm the Atrix is not doing a full reboot. I had a call on speaker phone then all of a sudden my screen showed the boot animation and I could hear the other person talking for an additional 15-20 sec while the phone finished "booting". Our conversation was not ended until the home screen came back up, at this point my bars/service dropped to no service. Also, I have not rooted or modified the Atrix, its stock.. w/LauncherPro+.
WiredPirate said:
Agreed. I can confirm the Atrix is not doing a full reboot. I had a call on speaker phone then all of a sudden my screen showed the boot animation and I could hear the other person talking for an additional 15-20 sec while the phone finished "booting". Our conversation was not ended until the home screen came back up, at this point my bars/service dropped to no service. Also, I have not rooted or modified the Atrix, its stock.. w/LauncherPro+.
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I had those "reboots" twice now. Once while using Maps and once while sitting on my desk not being used. I was also using LauncherPro+. I wonder if that might have been part of it. I stopped using LP+ and haven't had a "reboot" yet (knock on wood)

[Q] Troubleshooting Samsung XCover 2 (GT-S7710): Cannot wake up phone

I'm having a sporadic problem with my xcover that i cannot diagnose. It happens very randomly, sometimes a few times a day, sometimes only 1 time in weeks. The phone functions normally and at some point i cannot wake the screen anymore, and then shortly after it freezes to the point that i need to hard restart it. So when this happens, none of the buttons do anything, so for example if i get a call the phone will ring for a bit with the screen black, me unable to do anything, then after a few seconds it freezes (if i try to call me it goes to voice mail) or if the alarm sounds i cannot stop it only if i pull out the battery, it just keeps playing at full volume with a black screen which is not responsive to the touch.
It's very frustrating that i cannot save any logs because i have to restart the phone in order to use it, and by then the problem is gone. I eliminated all the apps, so its not an app causing this. And its absolutely nothing specific that i'm doing to it. One time i just woke it up, unlocked it, looked at the clock, locked it, and when i went to wake it up again after 2-3 minutes, nothing, gone, completely unresponsive. Also, if i plug it in it makes the sound that its charging. Waiting does nothing, i tried to let it be for more the half an hour and its still the same. And it goes without saying battery is draining a lot faster when its in this 'dead' mode.
The rom with which it happens is the pre-rooted S7710XXAMB6_S7710OXEAMB3-20130713 stock rom.
Anybody has any clue?
alex_Rsa said:
I'm having a sporadic problem with my xcover that i cannot diagnose. It happens very randomly, sometimes a few times a day, sometimes only 1 time in weeks. The phone functions normally and at some point i cannot wake the screen anymore, and then shortly after it freezes to the point that i need to hard restart it. So when this happens, none of the buttons do anything, so for example if i get a call the phone will ring for a bit with the screen black, me unable to do anything, then after a few seconds it freezes (if i try to call me it goes to voice mail) or if the alarm sounds i cannot stop it only if i pull out the battery, it just keeps playing at full volume with a black screen which is not responsive to the touch.
It's very frustrating that i cannot save any logs because i have to restart the phone in order to use it, and by then the problem is gone. I eliminated all the apps, so its not an app causing this. And its absolutely nothing specific that i'm doing to it. One time i just woke it up, unlocked it, looked at the clock, locked it, and when i went to wake it up again after 2-3 minutes, nothing, gone, completely unresponsive. Also, if i plug it in it makes the sound that its charging. Waiting does nothing, i tried to let it be for more the half an hour and its still the same. And it goes without saying battery is draining a lot faster when its in this 'dead' mode.
The rom with which it happens is the pre-rooted S7710XXAMB6_S7710OXEAMB3-20130713 stock rom.
Anybody has any clue?
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Same thing happen to me. I have stock rom S7710XXAMB5
What shuld I do?
also same problem
my XCover2 has the same problem. Last Week 2 to 4 times a day.
Maybe I try to reflash....

[Q] Several problems with Galaxy S4

Hello
I have several problems with my Galaxy S4 after I have reset it to the standard attitudes.
1.) The phone sometimes just turns off for about 20 seconds and the Samsung logo applies on the screen. In this time I can´t do anything and have to wait. It happens when I unlock the screen or do nothing or do phone calls or open the camera etc. Just every now and then.
2.) Sometimes everything is really slow motion. The camera, the reaction of the switching etc. Then I have to restart the phone to avoid this.
3.) Sometimes the phone also switches automatically in the safe mode. There I can not see or click any third party apps.
4.) Sometimes I also cannot open anything when I unlock the screen. Then I have again to lock and unlock it.
What can I do ? Please help
i
Retaliate2014 said:
Hello
I have several problems with my Galaxy S4 after I have reset it to the standard attitudes.
1.) The phone sometimes just turns off for about 20 seconds and the Samsung logo applies on the screen. In this time I can´t do anything and have to wait. It happens when I unlock the screen or do nothing or do phone calls or open the camera etc. Just every now and then.
2.) Sometimes everything is really slow motion. The camera, the reaction of the switching etc. Then I have to restart the phone to avoid this.
3.) Sometimes the phone also switches automatically in the safe mode. There I can not see or click any third party apps.
4.) Sometimes I also cannot open anything when I unlock the screen. Then I have again to lock and unlock it.
What can I do ? Please help
Click to expand...
Click to collapse
all these are software problem
go to sammobile.com/firmware and download compatible stock rom
then check a tutorial to Flash ROM By Odin...
the fresh rom may solve ur problems
:good:

Frozen phone when trying to wake up from standby

it happens to me very frequently on my galaxy s4 value edition i9515. That sometimes when my phone is locked and i m trying to unlock it, it freezes and it doesnt responds the screen stays black, then i need to press the power button for some seconds continuously to restart. this problem has happened with android 4.4 and now with 5.0.1 stock android. i did once tried to install custom roms and my knox is out of warranty.
this problem happens once every few days and extremely random! i cannot get any conclusion on what causes it and i already installed the original rom many times and some times with very few apps installed, although this doesnt make a difference i tried not touching anything as well...
does this happens to other users as well? or did anyone had the same problem and found the solution? or any advice?
i reallly like this phone and i dont want to buy another one just because of this, or even to move away from android because its just dont working!
Imagine i cant trust my alarm anymore, it has happed not to ring and to loose apointment............
thanks in advance

Device shuts down spontaneously, need help to investigate

I recently got faulty Xperia XA2 in my hands. Everything is brand new and works perfectly, except device shuts down after short period of inactivity.
On stock ROM it shuts down if the screen is turned off for ~10 seconds, or if I do not do anything with it for ~30 seconds, but it stays on if I run video in browser or use a music player.
I managed to flash TWRP and some custom ROMs. While in recovery, device always stays on, no matter if screen is locked or anything else happens, as it should be.
Now it has Lineage 17.1 installed and it shuts down just like on stock ROM.
Another thing to mention is that it doesn't exactly shuts down in those cases: after blackout, device restarts on short press on power button (it should only wake on long press if it is turned off conventionally) and blinks with green LED indicator.
And also, it doesn't turn off while charging
I would appreciate any help with figuring out what causes shutdowns and any ways to solve this. I have a few theories I cannot confirm, but I need more data.
MilesSeventh said:
I recently got faulty Xperia XA2 in my hands. Everything is brand new and works perfectly, except device shuts down after short period of inactivity.
On stock ROM it shuts down if the screen is turned off for ~10 seconds, or if I do not do anything with it for ~30 seconds, but it stays on if I run video in browser or use a music player.
I managed to flash TWRP and some custom ROMs. While in recovery, device always stays on, no matter if screen is locked or anything else happens, as it should be.
Now it has Lineage 17.1 installed and it shuts down just like on stock ROM.
Another thing to mention is that it doesn't exactly shuts down in those cases: after blackout, device restarts on short press on power button (it should only wake on long press if it is turned off conventionally) and blinks with green LED indicator.
I would appreciate any help with figuring out what causes shutdowns and any ways to solve this. I have a few theories I cannot confirm, but I need more data.
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Change the phone ...
cojocar.andrei said:
Change the phone ...
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Although I appreciate such straightforward solutions, sadly, it's not an option for me
MilesSeventh said:
Although I appreciate such straightforward solutions, sadly, it's not an option for me
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Click to collapse
From what you're describing probably this is the only solution if this happens with stock rom ...
Well, I sent it to service, actually. I tried to check logs via adb logcat, but there were no clues, they just stop going without any pattern. Then I gone lower and checked kernel logs, but they were clear, too, so I suggested it is related to power supply so I stopped and contacted repair service.
MilesSeventh said:
Well, I sent it to service, actually. I tried to check logs via adb logcat, but there were no clues, they just stop going without any pattern. Then I gone lower and checked kernel logs, but they were clear, too, so I suggested it is related to power supply so I stopped and contacted repair service.
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If you don't mind, could you tell how the service has treated you?
aeolist said:
If you don't mind, could you tell how the service has treated you?
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Well, they decided to change the mainboard (still in progress though, guys are working like morons). I think they would have it covered by warranty, if I had any.

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