How to upgrade from 3.0 to 3.1.3

Discussion in 'iPhone Tips, Help and Troubleshooting' started by indossatrice, Apr 11, 2010.

  1. indossatrice macrumors newbie

    Apr 10, 2010
    Can someone please help.. I want to upgrade my unlocked/jailbroken iphone 3g from the 3.0 firmware to the 3.1.3.. can someone please list the steps in doing so? I already downloaded the firmware.. now I'm stumped.
  2. Applejuiced macrumors Nehalem


    Apr 16, 2008
    At the iPhone hacks section.
    Use pwnage tool to create a custom 3.1.3 ipsw and then restore to that thru itunes.
    If you update to stock 3.1.3 you will lose your unlock so be carefull.

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