how to upgrade my Iphone from 2.2.1 to 3.1.2

Discussion in 'Jailbreaks and iOS Hacks' started by macnewbie50, Mar 13, 2010.

  1. macnewbie50 macrumors newbie

    Mar 13, 2010
    I want to upgrade my Iphone 2g ( not sure if first generation is the same as 2g). from 2.2.1 OS to the new one 3.1.2 OS.
    I seen numerous tutorials but I am confused about what I need to do and what to used. My Iphone it has been already Jailbroken and unlock. I do not know what software was used to do it.

    Can anybody tell me how to do it and what to used to upgrade to 3.1.2? any tutorial on how to do it?

    Thank you very much for your help
  2. Applejuiced macrumors Westmere


    Apr 16, 2008
    At the iPhone hacks section.

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