For the past month my S2, SPH-D710, Android 4.1.2, will randomly restart throughout the day. I took the battery out for awhile and that didn't change anything. Sometimes it happens when I'm looking at it, sometimes it will happen as soon as I plug it into a charger.. at which point it appears to completely drain the battery. Seems to be only one of my chargers though. Other charger is fine. There is no clear pattern to all this. These issues don't happen all the time. Sometimes I'll go through an entire day with no problem. Warranty expired on the phone. I have never installed a custom ROM on here. Is this something that might be fixed with a custom ROM or is it completely hardware?

  • Get a new battery and see if that helps, or borrow one from someone to test it.
    – RossC
    Jul 15, 2014 at 15:15
  • These are cheaper than I expected on Amazon. I might try that.
    – spex5
    Jul 15, 2014 at 15:41

2 Answers 2


Should be an hardware issue.
In my case was the oxidation of the motherboard cause by the sweat cuase i kept the phone on my arms while I was running.

  • Come to think of it, it does happen more so on days that are particularly humid..
    – spex5
    Jul 15, 2014 at 15:42
  • Good thinking, that'd never occur to me! @spex5 put it in rice to dry out out fully and see if that helps, then maybe try a battery!
    – RossC
    Jul 15, 2014 at 18:25
  • Thanks for all the great suggestions. I'm going to try these out when I get a chance and I'll report the results back here.
    – spex5
    Jul 19, 2014 at 22:57

Thanks everyone for your feedback. In my case, there seemed to be no coming back from the dead. Tried the rice, tried a new battery, tried a hard reset. Nothing fixed it. Ended up getting a new phone.

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