1. heartykand's Avatar
    hi
    i have upgraded my iphone to 4.0
    now i want to downgrade to 3.1...
    i hav'nt save shsh file
    how to downgrade and jb ?
    pls advice
    2010-07-14 11:08 PM
  2. Simtech's Avatar
    Sorry, you can't.
    2010-07-14 11:17 PM
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