Why does my iphone 5 turn off at 15% when taking pictures?

Discussion in 'iPhone' started by x-evil-x, Dec 12, 2012.

  1. macrumors 65816

    Joined:
    Jul 13, 2008
    #1
    happened twice to me tonight. taking pictures im pretty sure with the flash it just shut off. gave the battery symbol. plugged it in and it started up at 14%. tried it a few minutes after using the phone normally and it did it again and shut off.
    Anybody else have this problem?
     
  2. macrumors 68040

    Jordan921

    Joined:
    Jul 7, 2010
    Location:
    Bay Area
  3. macrumors 6502

    Joined:
    Oct 18, 2012
    #3
    Sounds like the battery percentage not reporting the correct percentage.
     
  4. thread starter macrumors 65816

    Joined:
    Jul 13, 2008
    #4
    i tested it with this iAssistant and it shows to be the same. if it was actually dead it would take a while to charge.

    literally i plugged it in and the apple logo came on and it turned on
     
  5. macrumors 6502

    Joined:
    Oct 18, 2012
    #5
    That's weird. Maybe, you should schedule an appointment at the apple store?
     
  6. macrumors 6502a

    aphexacid

    Joined:
    Jul 31, 2007
    Location:
    Chicago
    #6
    Yeah this happened to my on my 4S and my launch day iphone 5, and the replacement I received (other problem).

    I never figured out why it does it, it's got to be some glitch.
     
  7. macrumors member

    ASUgrad1999

    Joined:
    Mar 13, 2012
    Location:
    Gilbert, AZ
    #7
    My wife's 4s just started doing the same thing in the last week or two. She has had a couple Genius Bar appointments (they reset her phone). The said if its still happening, she'll get a new phone.
     
  8. macrumors 601

    Joined:
    Aug 27, 2012
  9. thread starter macrumors 65816

    Joined:
    Jul 13, 2008
    #9
    can somebody test this? ive tested it today at 10% with flash. took 3 pictures and hit the home button and bam. happened again. im wondering if its a normal thing with these phones and i never noticed it.
     
  10. macrumors member

    Joined:
    Dec 14, 2012
    Location:
    Phoenix, Az
    #10
    it might just be drawing a lot of current and the battery controller might not "feel" as if it has enough juice and shuts down...you could test with a multimeter I will try and do this soon and report back....
     
  11. macrumors 6502a

    Feed Me

    Joined:
    Jan 7, 2012
    Location:
    Location Location
    #11
    Does the phone just black out instantly or is there a spinning pinwheel shown?
     
  12. macrumors 6502a

    Joined:
    Jul 12, 2004
    #12
    My friends iPhone 4s does that too! I found it very strange. After it shuts off (seeing the pinwheel) it gives the "need to plug in icon" after pushing on the power button. A couple tries later, it turns back on, showing 15% battery remaining and the phone works just fine.
     
  13. macrumors newbie

    Joined:
    Nov 11, 2012
    #13
    Same problem with iphone 4S 64 GB

    When taking pictures around 20% battery in my iphone 4S 64GB it shutdowns and you have to rebooting (home+switch on/off) to start again or connect it to the charger to back on again.

    It always show low battery but is not correct. It backs on with 19%-20% battery remain.

    When rebooting if you don't take pictures or make videos te phone is working till battery runs out at 1%, so the normal behaviour.

    I'm using the last IOS 6.0.1

    .....

    After 2 months with that problem I restored the iphone today, and the problem still continues.

    Apple can you hear me?
     
  14. macrumors 6502

    BigMcGuire

    Joined:
    Jan 10, 2012
    #14
    Sounds like the phone protecting itself from users imo. You want to try and keep Lithium Ion/Polymer batteries above 20% if you can help it as draining them completely damages them. A lot of devices automatically shut off below 10% to protect the battery from completely draining (a big nono with Li-Ion/Poly).
     

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