Battery drained in 4 hours :( in night

Discussion in 'iPhone Tips, Help and Troubleshooting' started by IndianGuy, Jul 21, 2010.

  1. IndianGuy macrumors regular


    Jun 14, 2010
    So fully charge battery till midnight - there is no active use of phone (not even browsing) - and in morning I get to 2% battery life - wth

    Is there remedy or it's advisable to take it to genius bar?
  2. markyr17 macrumors 65816


    Apr 8, 2010
    For problems like this it's usually a software glitch. I would recommend restoring before taking the trip to the genius bar.
  3. baller1308 macrumors 65816

    Dec 8, 2009
    I usually only lose about 5% battery overnight.
  4. ohla313 macrumors 6502a


    Apr 24, 2010
  5. Savor Suspended


    Jun 18, 2010
    I full charged by midnight. Turned airplane mode on and battery life is still at 100% more than 10 hours later.
  6. michaelfields macrumors regular

    Apr 8, 2010
    set it up as a new phone... for the 1000th time............
  7. Tom G. macrumors 68000

    Tom G.

    Jun 16, 2009
    Champaign/Urbana Illinois
  8. Dark K macrumors member

    Jul 11, 2008
    Putting the phone on Airplane mode will drastically improve battery life, that is if you don't need service overnight, but your problem looks more like a previous poster said, software glitch, or faulty battery.
  9. Tunster macrumors 6502

    Nov 28, 2009
    Did you leave any apps that make use of the "standby mode" active in your multi-task menu? Maybe one of those has a glitch and is running your battery dry quicker than it should. Close them all, get the battery to 100% and then see what happens.

    I just leave my phone on charge all night so I have 100% in the morning :).
  10. Mark Booth macrumors 68000

    Mark Booth

    Jan 16, 2008
    I've been fiddling a bit with doing a hard boot of my iPhone 4 (hold both sleep and home buttons down until I see the Apple logo) and then testing frequently used apps to see which one is eating my battery (even though I quit the App by pressing the home button a single time). I've got it narrowed down to two possible suspects: The 'Facebook' app and 'Angry Birds'.

    Beyond Mail and Safari, those are the two apps I use most often. Between the two, I'm leaning toward 'Angry Birds' as being the possible culprit. More testing is needed though.


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