iPhone 3GS iPhone 3gs downgrade method

Discussion in 'iPhone' started by beefstrudel, Sep 25, 2009.

  1. beefstrudel

    beefstrudel Banned

    Joined:
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    Device:
    iPhone 3GS (Black)
    I used Geohot's method to back up my ECID or however that works. Anyway is there a tool used to downgrade with that file?

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