How do i upgrade from 3.1.2 to 4.0

Discussion in 'iPod touch Hacks' started by trentsmith326, Oct 4, 2010.

  1. trentsmith326 macrumors newbie

    Oct 4, 2010
    i already downloaded the 4.0 ipsw from but apple changed something to where it has to verify the software your updating with before you can do it. I don't want to update to 4.1 bcuz there isn't a jailbreak for it yet. my ipod is a 2nd gen 8gb. HELP D: please
  2. Aero26 macrumors regular

    Apr 24, 2010
    iTunes has barred up/downgrade to any jailbreakme capable firmware.

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