Battery 30% then dies suddenly

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Sheza, Apr 24, 2016.

  1. Sheza macrumors 65816

    Sheza

    Joined:
    Aug 14, 2010
    Location:
    Croydon & London At The Same Time
    #1
    Hi,

    I have had this happen to me quite a lot recently. I will be on 30% battery, and then all of a sudden my phone just dies. Flat out. Refuses to turn on until I plug it in to a charger, where it will turn on and then claim it instantly has 26% battery or something like that.

    Any ideas how to fix this? This is happening on my iPhone 6 and also my gf's iPhone 6S.
     
  2. Sheza thread starter macrumors 65816

    Sheza

    Joined:
    Aug 14, 2010
    Location:
    Croydon & London At The Same Time
    #3
    Is what cold?

    I use it with average temperatures in the UK. Perhaps in the range of 15-20 degrees centigrade?

    The phone itself is again... average temperature.
     
  3. Gav2k macrumors G3

    Gav2k

    Joined:
    Jul 24, 2009
    #4
    I was referring to outside temps as rapid drain or powering off can occur during cold temps.
     
  4. johannnn macrumors 6502a

    johannnn

    Joined:
    Nov 20, 2009
    Location:
    Sweden
    #5
    My 6S+ has shut down twice since launch, and both times has been while playing with it outside. So I think temperature is a factor here. However, I'm talking about ~5°C so I can't really understand how a phone can be so temperature sensitive.
     
  5. Sheza thread starter macrumors 65816

    Sheza

    Joined:
    Aug 14, 2010
    Location:
    Croydon & London At The Same Time
    #6
    I don't think that's the case here.
     
  6. xixi.li macrumors regular

    Joined:
    Nov 25, 2015
    Location:
    hongkong
  7. jahall05 macrumors regular

    Joined:
    Jul 30, 2013
    #8
    If they are under warranty Apple will swap the batteries out if they are causing issues. They will probably want you to restore them first though to eliminate any concern of software causing problems.
     

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