5.1.1 Downgrade question

Discussion in 'Jailbreaks and iOS Hacks' started by Dabdoub17, Jul 6, 2012.

  1. Dabdoub17 macrumors newbie

    Joined:
    Jul 6, 2012
    #1
    I have the iPhone 4 with the 5.1.1 software, and I want to downgrade it to 5.0.1 so it is available to unblock it. Using Tiny Umbrella, I realized it won't save the 5.0.1 shsh, but it does save the 4.3.5 shsh..

    So my question is: is it possible for me to downgrade my iPhone to the 4.3.5 software, get it unblocked, then once it is unblocked update it back to the current software (5.1.1)?



    :apple:
     
  2. TriJetHero macrumors 601

    TriJetHero

    Joined:
    Oct 13, 2010
    Location:
    World
    #2
    You can downgrade the iOS to 4.3.5 but your baseband will not downgrade.

    So no you can't unlock your phone.
     
  3. Applejuiced macrumors Westmere

    Applejuiced

    Joined:
    Apr 16, 2008
    Location:
    At the iPhone hacks section.
    #3
    You're way off here.
    Firmware and baseband versions are 2 different things. You can downgrade the firmware with shsh blobs but cannot downgrade the baseband on an i4 in order to unlock.
    So even if you went down to 4.3.5 you still could not unlock it since the baseband is already updated to the stock 5.1.1 ios version.
     
  4. noiceT macrumors 6502a

    Joined:
    Jul 7, 2008
    Location:
    Catalina Wine Mixer
    #4
    Sadly, I think you might be SOL. If you're phone is already on 5.1.1 and you didn't save shsh or preserve baseband anywhere in between you're probably on 04.12.01, in which both software unlock and gevey unlock are not possible.
     
  5. labman macrumors 604

    labman

    Joined:
    Jun 9, 2009
    Location:
    Mich near Detroit

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