iOS 4.0 How to downgrade back to 3.1.3

Discussion in 'iOS Jailbreak & Cydia' started by ikid, Jul 28, 2010.

  1. ikid

    ikid Member

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  2. HeadReaper

    HeadReaper Well-Known Member

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    There's guides on this site that say that.
  3. peebrian202869

    peebrian202869 Banned

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    That probably won't work for the 3GS, you need redsn0w.

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