Losing back up data if...

Discussion in 'iPhone' started by JUiCEJamie, Aug 21, 2011.

  1. JUiCEJamie macrumors 6502a

    JUiCEJamie

    Joined:
    Mar 22, 2011
    #1
    Hi Guys,

    I'm looking to put iOS5b6 on a device which currently has 4.3 on it.
    Now, I haven't backed up the device, and I won't have access to it. (I've got a new MacBook since backing up).
    So, could I install iOS5 on this device, then back up all that data to iCloud?

    Or will iOS5 delete everything, and start a new phone?

    Thanks.
     
  2. Kyotoma macrumors 68000

    Kyotoma

    Joined:
    Nov 11, 2010
    Location:
    Carnegie and Ontario
    #2
    I would not recommend upgrading to iOS 5 beta unless you are going to start developing apps, and in that case I would restore as new from the .ipsw file. I'm pretty sure that's the only way, as Apple has disabled restoring to 4.x.x when upgrading to iOS 5.
     

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