Jailbroken, Unlock, Unjailbreak Question

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

  1. whistler222 macrumors 6502

    Nov 8, 2007
    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.
  2. grapes911 Moderator emeritus


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

    Jul 27, 2010
    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

    Nov 12, 2009
    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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