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Discuss Cannot unlock after upgrading... at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hi there! I have a big problem with my iPhone. It's an iPhone 3G[S] running ...
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    Default Cannot unlock after upgrading...

    Hi there!

    I have a big problem with my iPhone. It's an iPhone 3G[S] running on 3.1.3 with the old bootrom. (iDevice couldn't find my iPhone, but I checked using some USB program, and confirmed it does have the old bootrom). I've been trying to update it for over a week, getting random error each time. I can't seem to update it using DFU mode.

    I think I was on Spirit, so I used Spirit2Pwn in cydia.

    Then I used sn0wbreeze to upgrade it to 4.0.1, and that FINALLY seemed to work. I got the sn0wbreeze logo etc. Problem is that it REMOVED my SIM Unlock. And this is now where I'm stuck.

    If I boot my iPhone normally, it has the sn0wbreeze boot logo, but the unlock is gone, so I cannot access the phone. iTunes tells me this as well.

    I've been trying to redo the IPSW using sn0wbreeze (and using the guide here: http://modmyi.com/forums/general/729...cktivated.html ). The problem is that I CAN'T do ANYTHING when I'm in DFU mode. I keep getting 16xx errors. I've tried different computers, and while I got 1604 and 1600 errors before, I'm now stuck with 1601 errors.

    I'm on iTunes 10.1.0.56.

    Not sure what other information I need to provide. I was so happy that it finally seemed to upgrade with sn0wbreeze. I was in recovery mode then, but that doesn't work now that my phone is unlocked - I simply can't gain access to it! It just says I'm using an unrecognized SIM card.

    I don't know what other information I need to provide, but I'll try provide any other information needed.

    I'd be really happy for any help I can get! Thanks!



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    Super Moderator Array Olethros's Avatar

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    Default

    Just to be 100% clear

    1. We absolutely refuse to support or recommend sn0wbreeze on this forum. That position has been made clear many many times now. Go search old threads for why. Find a way to use pwnagetool (Virtual machine running OS X for example) or get help elsewhere.

    2. Unless you have a 2G iPhone, reloading or updating the OS will always remove any software unlock. The only way to avoid this is to bake the unlock into a custom ipsw (with required dependencies)

    3. Don't confuse unlock with activation. You are currently stuck at the activation stage based on the description you gave
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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