iPhone One last question about 3gs (ios 4.1 BB 6.15.00)

Discussion in 'Jailbreaks and iOS Hacks' started by jswillis, Jan 11, 2013.

  1. macrumors newbie

    Joined:
    Jan 25, 2012
    Location:
    TR
    #1
    I have a 3gs; ios 4.1 BB 6.15.00. I JB and unlocked it in Sept. 2011 (moved to Turkey). Now, I want to order an official unlock and update the ios. Have spent the past couple of nights reviewing how to downgrade the BB to 5.13.04 so I can hopefully get a AT&T Factory Unlock (My phone is AT&T - old bootrom). My only question(s) is this; when I download the IPSW file of the current ios, it must be 4.1, right?

    And second, when I downgrade the BB to 5.13.04 running on ios 4.1, all I should have to do is order the Factory Unlock and follow the directions to restore?

    Just a little nervous, first time I am attempted this,

    Thanks so much....
     
  2. macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #2
  3. thread starter macrumors newbie

    Joined:
    Jan 25, 2012
    Location:
    TR
    #3
    Thanks, worked like a charm!!!!
     
  4. macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #4
    Great
     

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