I hope this is the right place to ask this question.

I'm using a Samsung S4 Active with stock Samsung-branded Android. Since I updated the OS from 4.2.2 to 4.4.2 my phone is sometimes turning itself off, trying to restart and failing, trying again. Maybe around 3 times until nothing is happening anymore.

The only way I can restart the phone is, that I connect it to power. Furthermore I feel that it only happens when my battery is lower than 60% - but still way higher than 0%!

I updated the phone via the Samsung-thingy which keeps popping up. So nothing external...

I factory-resetted my phone because I thought it might solve the problem - but unfortunately it didn't.

Any ideas what could be the solution for my problem? I googled quite a lot but couldn't come up with a hint...



  • How did you update? via OTA? or did you flash stock ROM?
    – geffchang
    Commented Aug 28, 2014 at 12:18
  • sorry, forgot to write this. i updated my question.
    – Ron
    Commented Aug 28, 2014 at 12:21
  • Is the hardware okay? Do you feel any kind of weird things like over-heating or whatever? Commented Aug 28, 2014 at 12:45
  • No, nothing unusual. Everything is normal until the phone goes out from one second to the next...
    – Ron
    Commented Aug 29, 2014 at 9:09

1 Answer 1


Well, turned out that the battery was the problem. I invested 10€ for a new one and since one week no trouble at all.

Still thanks everybody!

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