How to restore jailbroken iphone 3gs 4.3.3 to fresh 5.1.1?

Discussion in 'iPhone' started by Koopsy, Jul 11, 2012.

  1. Koopsy macrumors newbie

    Joined:
    Jul 11, 2012
    #1
    I have an jailbroken iphone 3gs on 4.3.3 and i want to upgrade it to 5.1.1 but whenever i try, i got error 21 and error 1600. Ive asked some other forums and i kept on going in loops. I hope thos forum could resolve my problem. Thanks in advance and any reply would be appreciated. Thanks!
     
  2. PsstGreek macrumors 68040

    PsstGreek

    Joined:
    Oct 21, 2010
    Location:
    Tampa Bay
    #2
    Do you have the iPad baseband on your iPhone?
     
  3. Koopsy thread starter macrumors newbie

    Joined:
    Jul 11, 2012

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