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Thread: Need to upgrade 3G to v3.0

  1. #1
    Default Need to upgrade 3G to v3.0
    Hi All,

    I need to install some applications on my iPhone 3G (Version 2.2 (5G77, Modem firmware 02.28.00 which require 3.0 firmware as a minimum.

    I understand that at present there is no unlock for 3.1

    Is there any way I can at least upgrade the phone to 3.0 and keep my carrier unlock?


  2. #2
    Retired Moderator Poseidon79's Avatar
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    Jan 2008
    Austin, TX
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    Download the correct 3.0 firmware from the download section. Plug into iTunes... hold shift and hit restore... select the firmware file you just downloaded. After it's done use redsn0w to jailbreak and ultrasn0w to unlock.

  3. #3
    Better to install 3.01 (not 3.1) then JB using 3.0 ipsw
    He who asks a question looks foolish for 5 minutes. He who doesn't ask a question remains foolish forever.

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