How do I down grade from 4.0 to last update?

Discussion in 'Jailbreaks and iOS Hacks' started by iphonepimp2, Jul 12, 2010.

  1. iphonepimp2 macrumors newbie

    Joined:
    Jun 20, 2009
  2. celticpride678

    Joined:
    Feb 15, 2009
    Location:
    Boston, MA

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