Possible to upgrade jailbroken/unlocked 3GS to iOS4?

Discussion in 'Jailbreaks and iOS Hacks' started by iPhonelover2010, Jul 25, 2010.

  1. iPhonelover2010 macrumors member

    Joined:
    Jun 30, 2010
    #1
    Hello,

    I recently got my hands on a jailbroken/unlocked 3GS running 3.1.2. Is it possible to upgrade it to OS4 without losing the jailbreak/unlock? Warning: I'm a newbie, so you may have to break it down lol :)

    Thanks in advance!
     
  2. dhlizard macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #2
    Nope, upgrading removes jailbreak and software unlock. If it's old bootrom and pwned jailbreak (not Spirit), you can upgrade and jailbreak in one operation with a Pwnage Tool custom restore IPSW.
     

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