iPhone 3GS insane battery usage even in airplane mode

Discussion in 'iPhone Tips, Help and Troubleshooting' started by jaioxung, Jan 3, 2011.

  1. jaioxung, Jan 3, 2011
    Last edited: Jan 3, 2011

    jaioxung macrumors newbie

    Joined:
    Dec 28, 2010
    #1
    Just recently my 3GS started completely devouring its battery at a rate of about 1% every two minutes under regular conditions (minimal use, mostly stand by). I've had the phone for a good while and its battery life was always great.

    To try and pinpoint the problem I decided to turn features off one at a time; wifi, push, location services, 3G, cellular data, notifications. Nothing helped so I turned them all off and put the phone in airplane mode and I can still watch the battery drain 1 percentage point at a time without getting bored.

    Even with the screen off it will loose 1% in about 5 minutes.

    Any ideas?

    *edit*
    I have also done a complete restore from scratch (no backup).

    Took off the charger at 8am this morning (battery at 100%), by noon (12pm) battery was at 55%.
    Usage: 1hr 4 min
    Standby: 3hr 55min
    Cell data sent: 79 KB
    Cell data received: 500KB
     
  2. amit1504 macrumors newbie

    Joined:
    Feb 27, 2011
    #2
    I'm having the exact same problem... did you ever find a solution??
     
  3. cocoalektro macrumors newbie

    Joined:
    Jun 28, 2007
  4. zimeng44 macrumors newbie

    Joined:
    Mar 24, 2011
    #4
    Same here too

    My battery will lost 20% overnight with flight mode on.
    Weird:confused:
     

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