iPhone 7 Suddenly Draining Very Fast

Discussion in 'iPhone' started by orr971, Feb 27, 2017.

  1. orr971 macrumors member

    orr971

    Joined:
    Feb 3, 2012
    #1
    Hello!

    What can be the problem of an iPhone 7, new (was bought a month ago), that had a very good battery life, if the battery life suddenly got really worse?

    We're talking about 100% to 32% in 5-6 hours, with moderated use. Before this started it had a very good battery life - lasting for an entire day of use, with one charging needed overnight or something like that.

    Now, it's just weird. No change in the use of the iPhone itself. Obviously something here is odd.

    What seems to be the problem?
     
  2. Newtons Apple Suspended

    Newtons Apple

    Joined:
    Mar 12, 2014
    Location:
    Jacksonville, Florida
    #2
    Have you looked to see which app is using the most power? Installed any new app just before this started to happen?
     
  3. orr971 thread starter macrumors member

    orr971

    Joined:
    Feb 3, 2012
    #3
    Ordinary stuff.. Email, then WhatsApp...
     
  4. Newtons Apple Suspended

    Newtons Apple

    Joined:
    Mar 12, 2014
    Location:
    Jacksonville, Florida
    #4
    You WhatsApp could be the culprit. Social apps are big time power users if you do not keep control of them.

    Go to Settings, battery and it will tell you which app is using the most power.

    Try uninstalling this app for a day to confirm
     
  5. deano1972 macrumors 6502a

    deano1972

    Joined:
    Sep 16, 2016
    Location:
    United Kingdom
    #5
    Upload screen shots of your battery usage page under settings.
    See if anything has abnormal usage (much more than your actually using the app) particularly background activity.

    Have you rebooted the phone since it started draining?
     
  6. orr971 thread starter macrumors member

    orr971

    Joined:
    Feb 3, 2012
    #6
    We tried it (not my phone), waiting to see if there are any differences now.
     
  7. Relentless Power macrumors P6

    Relentless Power

    Joined:
    Jul 12, 2016
    #7
    With low power mode turned off, are you able to upload a photo showing your battery statistics?
     
  8. stellarsingularity12 macrumors newbie

    Joined:
    Feb 28, 2017
    #8
    Do you happen to use AT&T's service? I noticed the same thing. I have a feeling they changed something causing my iPhone 7 Plus to constantly be communicating with their towers.
     
  9. JT2002TJ macrumors 6502a

    Joined:
    Nov 7, 2013
    #9
    AT&T iphone 7+ 128 GB.

    This happened to me 2 days ago (2/28/2017). I got to work at 8 am (carplay on my hour drive) with 100% and by 5 pm I was down to 36% (typically I'm around 85% by the end of work). My phone was burning hot. I had to close all apps, and restart the phone for it to stop. It wasn't any particular app.
     
  10. willmtaylor macrumors G3

    willmtaylor

    Joined:
    Oct 31, 2009
    Location:
    A Natural State
    #10
    That happened to me one day. I usually get fantastic battery life with continuous moderate use on my iPhone 7 (non plus). However, one day it felt quite warm and was draining much faster than usual. Stats weren't showing what the cause was, but after a quitting all apps and doing a hard restart, all returned to normal. It hasn't happened since.
     

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