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  1. #1

    Member Since
    Jan 24, 2010
    Downgraded back to OS 3.1.3 and cannot restore backup!
    Help! I upgraded my iPhone 3G to OS4.0 tonight then realised some of my jailbroken apps wouldn't work. So I promptly went about downgrading it.

    I have successfully downgraded to 3.1.3 but when I try to restore my back up it says..."the backup [name of iphone] cannot be restored to this iPhone because the software on the iPhone is too old"

    I need it back on 3.1.3, so how can I get it to install my backup?

    Really appreciate any help here, I'm panicking because as it stands I have lots all my numbers, messages, apps everything
    15 " MacBook Pro 2.4 GHz 10.6.4
    iPhone 3G

  2. #2

    schweb's Avatar
    Member Since
    Oct 27, 2002
    Cleveland, Ohio
    MacBook Pro | LED Cinema Display | iPhone 4 | iPad 2
    I'd recommend re-installing iOS4 instead of using a jailbroken firmware. That will solve your issue.
    schweb | community leader
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  3. #3

    Kash's Avatar
    Member Since
    Dec 03, 2006
    Irvine, CA
    Black Macbook C2D 2GHz 3GB RAM 250GB HD iPhone 4 iPad 3G
    Your backup file was updated to work only on devices with 4.0. Looks like you're SOL on this one. Your only solution is to stick with 4.0.

    June 2007
    July 2009

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