3GS 3.1 to 4.2.1

Discussion in 'Jailbreaks and iOS Hacks' started by avian100, Feb 17, 2011.

  1. avian100 macrumors newbie

    Joined:
    Feb 17, 2011
    Location:
    Massachusetts
    #1
    I am trying to upgrade my IOS from 3.1.0 to 4.2.1 without upgrading my Baseband . I have tried to make a custom restore with pwnagtool 4.1.3 and then installing with Itunes and I get a error . ant suggestions .
     
  2. plaut macrumors newbie

    Joined:
    Jun 19, 2009
    #2
    Take a look at http://blog.iphone-dev.org/ - a new version of Pwnage Tool was released yesterday.
     
  3. WhatAmI macrumors 6502a

    WhatAmI

    Joined:
    Sep 2, 2009
    #3
    If you want real assistance it would prolly help your cause if you elaborated slightly - what error message are you getting?
     
  4. avian100 thread starter macrumors newbie

    Joined:
    Feb 17, 2011
    Location:
    Massachusetts
    #4
    Just tried pwnagetool 4.2 created custom restore and getting error 21 in itunes.
     

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