How do I downgrade to 4.0.2 back to 4.0.1?

Discussion in 'iPhone' started by Cubanzync, Aug 16, 2010.

  1. Cubanzync

    Cubanzync Member

    Joined:
    Feb 18, 2009
    Messages:
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    Device:
    iPhone 4 (White)
    I upgraded to the newest update, and now I can't jailbreak. How do I downgrade it?
  2. pyromatic

    pyromatic New Member

    Joined:
    Jun 28, 2010
    Messages:
    414
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    Device:
    3G iPod touch
    You simply can't unless you had your SHSH blobs saved.

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