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Thread: Upgrade Iphone 3GS Old Bootrom 3.1.2 to 4.0.1?

  1. #1
    Default Upgrade Iphone 3GS Old Bootrom 3.1.2 to 4.0.1?
    Hi everyone,

    I have a Iphone with old bootrom MC model of CW 33 and customised FW 3.1.2 on it.
    If I look in Cydia I only have the 3.1.3 and the 4.0 shsh file saved.

    Can I install a Customised 4.0 FW ?

    Can someone lineout the benefits of upgrading the SW?

    Thanks a lot in advance!

  2. #2
    Livin the iPhone Life jkmonkey's Avatar
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    Mar 2010
    Upstate NY
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    You should be able to update using a custom firmware without any problems.

  3. #3
    What are the merits of the 4.0 ?
    Would you upgrade if you hace it running on 3.1.2 or wouldnt you following the good old IT advice to never change a running system?!

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