iPhone 6S shutting down at 40% battery

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Chuchichan, Nov 9, 2016.

  1. Chuchichan macrumors 6502

    Joined:
    Jul 17, 2010
    Location:
    Maryland
    #1
    Occasionally my iPhone 6S shuts down and indicates that it needs to be plugged in and charged. This happens even though I am sometimes at even 40% battery life. Now I have to worry when my battery gets to this point. I almost never let it go below 10% anymore.

    I've contacted Apple Support and they ran some remote diagnostics on it and say the battery is ok. They recommend upgrading to 10.1.1 and to see if that helps. I'm currently running 9.3.3 and am weary of going to 10.1.1. Should I do the upgrade and test it or demand that the battery gets replaced?

    Thank you in advance.
     
  2. C DM macrumors Westmere

    Joined:
    Oct 17, 2011
    #2
    http://forums.macrumors.com/threads/iphone-6s-turning-off-at-10-20.1954530/
     
  3. Phat^Trance macrumors regular

    Phat^Trance

    Joined:
    Aug 9, 2009
    #3
    You probably need to recaliber the batter, do a google search on how to do tha
     
  4. Goatllama macrumors 6502a

    Goatllama

    Joined:
    Jun 24, 2015
    Location:
    Mountaintop Lair
    #4
    Call Apple, get diagnostic of battery health. Work from there.
     

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