Is it possible to put older firmware version on iphone

Discussion in 'iPhone Tips, Help and Troubleshooting' started by katelmesser, Sep 29, 2008.

  1. katelmesser macrumors newbie

    Sep 28, 2008
    Is there anyway to install an older version of iphone's (using 1st generation) firmware? I have downloaded a 2.0 file with the "ipsw" extention. It doesn't open when click on.
  2. Tallest Skil macrumors P6

    Tallest Skil

    Aug 13, 2006
    1 Geostationary Tower Plaza
    Yeah, you can't just open it. It's not written in UNIX.

    Option-click "Restore" in iTunes and choose the firmware from the menu. You really don't want to go back to 2.0, anyway.

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