3GS battery suddenly crashes?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by mnya, Apr 17, 2013.

  1. mnya macrumors member

    Jul 20, 2012
    I bought this 3GS when it first came out. So it's kinda old.
    Ever since I updated to iOS 6, there have been a few times when it just suddenly shut down in the middle of something.
    Sometimes I had to just restart it, and other times I had to charge it for a while to turn it back on, even though there had been at least 30% battery left when it crashed.
    Yesterday it died again, again with the battery still 30% or so left.
    My USB cable is 3rd party, but it had been working just fine, so I don't think it's the problem.
    I can't get to a Genius Bar and don't want to mail this for repair, so I'm trying to figure out if I can hopefully fix this on my own.
    So my question is, have you guys heard of cases of 3GS batteries suddenly dying? I had always thought that iPhone batteries slooooowly give out in a more "noticeable" manner.
    I'm basically wondering if putting in a new battery might be the fix.
    Thanks for your comments in advance!
  2. mnya thread starter macrumors member

    Jul 20, 2012
  3. mnya thread starter macrumors member

    Jul 20, 2012

    Yea but it'd be great if I can fix this one! :p

    Another question - if anyone knows...
    Do those external batteries such as Mophie Juice Pack work as battery even if the iPhone's original battery is permanently dead?

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