iphone battery drain while on stand-by

Discussion in 'iPhone' started by tim100, Oct 29, 2012.

  1. tim100 macrumors 65816

    Joined:
    May 25, 2009
    #1
    I have multiple iphones on a family plan. the one phone has not been used and has been draining while on standby. i charged it up and did not use it and it dropped 30% over night. i had reset the settings to make sure nothing was running. Prior to resetting the settings i would charge the phone and it would go from 100 to 0 in less than a day on standby. So I have seen an improvement.

    current situation:

    phone 1
    usage 20 mins
    standby 20 hours
    100% to 70%

    phone 2
    usage 6 hours 37 mins
    stand by 3 days
    100% to 67%
     
  2. Leonard1818 macrumors 68020

    Joined:
    Nov 15, 2011
  3. tim100 thread starter macrumors 65816

    Joined:
    May 25, 2009
    #3
    yes
     
  4. Leonard1818 macrumors 68020

    Joined:
    Nov 15, 2011
    #4
    I'd take the bad one to Apple and have them run diagnostics on the battery.
     
  5. tim100 thread starter macrumors 65816

    Joined:
    May 25, 2009
    #5
    do you think its bad? i read another thread about losing charge during stand by.
     
  6. Leonard1818 macrumors 68020

    Joined:
    Nov 15, 2011
    #6
    I can't see why it would/should be losing any charge on standby. Usually when folks complain of the battery draining while "not in use" it's a rogue app running in the background and the usage time will equal the standby time. Since your usage time is so low, that likely isn't it. The only other reasons I would think it's draining in standby are if the cell signal is bad and it's constantly working to find a signal or the battery is bad.
     
  7. tim100 thread starter macrumors 65816

    Joined:
    May 25, 2009
    #7
    i thought the same thing but i don't think its the signal because the other iphones dont seem to be losing signal strength at the same increased rate.
     
  8. tarasis macrumors 6502a

    tarasis

    Joined:
    Oct 26, 2007
    Location:
    Here, there and everywhere
    #8
    My iPhone 5 (as I posted in another thread) is also draining in standby, its at least 1% per hour (seems between 1-2%) even with Airplane mode on (Wifi on or off) and the only app running being settings. I'm also seeing this on the 4S the 5 is replacing. (I have tried resetting settings on the iPhone 5 but it made no difference)

    On the other hand my wife's 4 (soon to be 4S) has been on Airplane mode (with Wifi on) for the last 3.5 hours an is still on 100%.

    In the process of setting my 5 up as new and fully charging it again so I can see if that makes a difference.
     

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