What iOS version shall I Downgrade my iPhone 3G to?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by edholmes, Aug 1, 2012.

  1. edholmes macrumors newbie

    Joined:
    Jul 25, 2012
    #1
    Basically I'm getting a new one soon but this one (jailbroken iOS 4.2.1) is EXTREMELY SLOW. So i will live without the jailbreak for a few months but which iOS version is best for this on an iPhone 3G?
     
  2. batting1000 macrumors 604

    Joined:
    Sep 4, 2011
    Location:
    Florida
    #2
    You can't downgrade to a lower OS version unless you have SHSH blobs saved for a previous OS version as Apple is no longer signing previous versions of iOS.
     
  3. PsstGreek macrumors 68040

    PsstGreek

    Joined:
    Oct 21, 2010
    Location:
    Tampa Bay
    #3
    3.1.3 would be the best option for you.

    ----------

    With a 3G yes, the OP can. The 3G can be downgraded to any firmware, 3.1.3 or later.
     
  4. batting1000 macrumors 604

    Joined:
    Sep 4, 2011
    Location:
    Florida
    #4
    But I thought Apple wasn't signing old OS versions anymore, regardless of the device model.
     
  5. edholmes thread starter macrumors newbie

    Joined:
    Jul 25, 2012
    #5
    They don't but ive done it before and with the help of TinyUmbrella and/or RecBoot, ive managed :D
     

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