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Discuss Upgrade from 4.0 to 4.3.3 at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; I just bought an iPhone 4 version 4.0 Baseband 01.59.00, what is the best Windows ...
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    Rookie Array coopersport's Avatar

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    Default Upgrade from 4.0 to 4.3.3

    I just bought an iPhone 4 version 4.0 Baseband 01.59.00, what is the best Windows way to upgrade to 4.3.3 and keep the 01.59.00 modem firmware?
    Thanks in advance.
    Last edited by coopersport; 06-29-2011 at 04:47 AM.



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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by coopersport View Post
    I just bought an iPhone 4 version 4.0 Baseband 01.59.00, what is the best Windows way to upgrade to 4.3.3 and keep the 01.59.00 modem firmware?
    Thanks in advance.
    Best windows way - borrow a mac and make a custom IPSW using pwnagetool. Transfer the custom IPSW to your windows machine and restore via pwned DFU mode.
    Alternatively use sn0wbreeze (we don't really use sn0wbreeze ourselves so you are on your own if you have problems) to make a custom IPSW (including prevention of baseband update) and restore via pwned DFU mode.

    Don't restore or update original IPSW (even if you use TinyUmbrella to block baseband signing, it's just too risky - use custom IPSW instead)

    If you are stuck in recovery mode after restore, use the Fix Recovery option in TinyUmbrella (or the standalone binary available from thefirmwareumbrella blog) to exit.

    Also.. this has been explained 100s of times already on this forum. Next time search before posting. Closing thread - duplicate.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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