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  1. Thread Author  Thread Author    #1  

    Default Galaxy S4 SGH-I337M kept turning off and now won't turn back on

    So phone has been working fine lately until this morning when I went to use it and noticed it was off...I turned it back on and saw it still had 77% battery life. A few minutes later it randomly turned off again while I was trying to send a text message. Turned it back on and same thing it turned back off after a minutes this time I didn't even touch it when it turned back on. When I tried turning it back on again, it wouldn't.

    So I did a battery pull and it allowed me to start it up again...but once again after a few minutes it turned off. Won't even let me turn it back on after it shuts itself off now unless I do another battery pull. Is this just a messed up battery issue? But it still shows battery life in the 70s.

    Also I guess I"m SOL on the warranty since I got the phone in either June/July 2013?
  2. #2  

    Default Re: Galaxy S4 SGH-I337M kept turning off and now won't turn back on

    The easiest thing to do is to try a new battery. Just because it says it's in the 70s doesn't mean that it's functioning correctly.

    You could also try unmounting the SD card (in Settings>Storage), removing it, and rebooting. A corrupt card can cause various problems.

    It also wouldn't hurt to try booting into Recover Mode and wiping the cache partition: Reset: Samsung Galaxy S 4 | T-Mobile Support

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