iPhone 3GS battery percentage all over the place

Discussion in 'iPhone Tips, Help and Troubleshooting' started by 0dev, May 23, 2010.

  1. 0dev macrumors 68040

    0dev

    Joined:
    Dec 22, 2009
    Location:
    127.0.0.1
    #1
    I've seen the battery percentage on my 3GS jump from 70% to 40%, 65% to 59%, etc.

    Is it normal? I running 3.1.2 because it's jailbroken and I can't really be bothered to do a full restore then set everything up again afterwards (plus lose all my gamesaves etc.)

    But surely it shouldn't be jumping around like that? I don't think I'm running anything battery intensive.
     
  2. -aggie- macrumors P6

    -aggie-

    Joined:
    Jun 19, 2009
    Location:
    Where bunnies are welcome.
    #2
    Since you can’t be bothered to restore (why, I have no idea), you could try calibrating the battery (let it die and then fully recharge). However, I think your battery probably needs to be replaced.
     
  3. 0dev thread starter macrumors 68040

    0dev

    Joined:
    Dec 22, 2009
    Location:
    127.0.0.1
    #3
    I don't want to restore because I'd have to set the jailbreak stuff up all over again, only to have to do it yet again when 4.0 is out. No point at this time.

    I've calibrated the battery recently.

    I'd have thought it was just a software prob, since 3.1.3 made the percentage more accurate and I haven't upgraded to it.

    The phone is less than a year old, surely the battery isn't going already?
     

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