Jailbroken, Unlock, Unjailbreak Question

Discussion in 'Jailbreaks and iOS Hacks' started by whistler222, Sep 16, 2010.

  1. whistler222 macrumors 6502

    Joined:
    Nov 8, 2007
    #1
    If i JB, then unlocked my ip4.

    then upgraded to OS4.1, would i lose the unlock too? or only lose the JB apps/cydia etc?

    basically is unlocking permanent.
    Thanks!
     
  2. grapes911 Moderator emeritus

    grapes911

    Joined:
    Jul 28, 2003
    Location:
    Citizens Bank Park
  3. localboy28 macrumors 6502a

    Joined:
    Jul 27, 2010
    #3
    You need to be jailbroken to keep the jailbreak unlock

    Only unlock that is permanent is one from your carrier.
     
  4. iPhone-power macrumors 6502a

    Joined:
    Nov 12, 2009
    #4
    Upgrading an iPhone 4 to 4.1 will not only remove the jailbreak and unlock, but give you a new baseband for which there is no known exploit to build a new unlock tool.

    Do not be in a rush to upgrade, especially if you need to unlock. There is a method using TinyUmbrella to upgrade an iPhone 4 to 4.1 without getting the new baseband.
     

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