Sudden and unexplained battery drain on iPhone 6

Discussion in 'iPhone Tips, Help and Troubleshooting' started by badlydrawnboy, May 24, 2015.

  1. badlydrawnboy macrumors 65816

    Joined:
    Oct 20, 2003
    #1
    Until a few days ago I would still be at 75-80% at the end of a day of light usage with my iPhone 6.

    Now, I'm down to <50% by 2-3pm. Most location services are off or set to "while using app". Background refresh is off completely.

    As far as I can remember, I haven't changed any settings. Nor have I updated the iOS (I'm running 8.3).

    Any ideas?
     
  2. ardchoille50 macrumors 68020

    Joined:
    Feb 6, 2014
    #2
    Are you using the phone more often in an area that has a weak signal? This could cause battery drain.
     
  3. adamhenry macrumors 65816

    adamhenry

    Joined:
    Jan 1, 2015
    Location:
    On the Beach
    #3
    Look at Battery Usage to see where the power is going.
     
  4. badlydrawnboy thread starter macrumors 65816

    Joined:
    Oct 20, 2003
    #4
    Hmmm, good question. I am in Canada. I live in the SF Bay Area, and activated a Canada calling plan before I left. Signal has been okay, but I wonder if that has something to do with it.

    That said, I'm almost certain that it started before I came up here.
     
  5. ardchoille50 macrumors 68020

    Joined:
    Feb 6, 2014
    #5
    As adamhenry mentioned, open the Settings app and go to General > Usage > Battery Usage and see what information you can find there.
     
  6. badlydrawnboy thread starter macrumors 65816

    Joined:
    Oct 20, 2003
    #6
    Interesting. Here's how it parses out:
    1. Home & Lock Screen 15%
    2. Chrome 14%
    3. NY Times 14% (reading Sunday paper!)
    4. RingCentral (Low Signal) 13%
    5. Photos (Background Activity)
    6. Mailbox 11%
    7. Echofon 8%

    Then there are a bunch of others with less usage.

    Why does Home & Lock consume so much battery?

    Also, I haven't used RingCentral once in the past 24 hours. Wonder why it uses any battery at all when I'm not even using it?

    With Photos, I imagine it is uploading them to iCloud Drive? Guessing that's what Background Activity means?
     

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