iCloud back up

Discussion in 'iOS 5 and earlier' started by Markyboy81, Jan 28, 2012.

  1. Markyboy81 macrumors 6502a

    Joined:
    Oct 30, 2011
    #1
    Each night I have my iPhone plugged into the mains to charge, so I'm guessing this is the time that the iCloud back up occurs. Does anybody know whether iCloud first checks for any changes or does it simply re-upload everything. If that's the case then it's quite a hefty amount of data off my allowance each night!
     
  2. SandboxGeneral Moderator

    SandboxGeneral

    Staff Member

    Joined:
    Sep 8, 2010
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    Orbiting a G-type Main Sequence Star
    #2
    Wirelessly posted (iPhone 4S: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)

    I don't know for sure, but I would guess it's incremental. It would be too bandwidth intensive for ISP's if all iCloud backups were full backups.
     
  3. damarsh macrumors newbie

    Joined:
    Mar 9, 2008
    #3
    I think it's incremental but could be wrong. Mine sometimes fails to be honest. Also the upload affects my Xbox live so I tend not to do both at the same time
     
  4. Feed Me macrumors 6502a

    Feed Me

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    Jan 7, 2012
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    Location Location
    #4
    Yeah, iCloud only backs up the changes - it's called delta backups.
    Just like OTA software updates are known as delta updates because they only update what's been changed.
    iCloud also only backs up when your device is connected to WiFi, it doesn't use your cellular data allowance.
     
  5. verwon macrumors 68030

    verwon

    Joined:
    Jul 26, 2011
    Location:
    Seattle
    #5
    You can also see when it backs up, under settings, iCloud, back up.
     

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