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Thread: is there anyway to downgrade baseband 05.13.04 to 05.11.07

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    Livin the iPhone Life eddietah's Avatar
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    Arrow is there anyway to downgrade baseband 05.13.04 to 05.11.07
    My iPhone 3GS 3.1.3 crash recently so no choice I had to upgrade to 4.0.1 then I downgrade back to 3.1.3 but the baseband had been upgrade to 05.13.04 instead of the old baseband 05.11.07 that come with 3.1.3

    Is there anyway that I can downgrade back the baseband to 05.11.07?

    Appreciated and thanks for all your kindest helps

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    iPhoneaholic
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    Well you don't need to, ultrasn0w will still unlock it

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    Livin the iPhone Life eddietah's Avatar
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    Quote Originally Posted by Will13 View Post
    Well you don't need to, ultrasn0w will still unlock it
    So sorry but I don't get what you mean

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    My iPhone is a Part of Me
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    What's the point of downgrading the baseband? All of them are unlockable.
    If I somehow helped you, press thanks

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    eddietah (2010-08-25)

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    Livin the iPhone Life eddietah's Avatar
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    Quote Originally Posted by neodude237 View Post
    What's the point of downgrading the baseband? All of them are unlockable.
    Yap my iPhone is already unlock but I would like to know is there anyway to downgrade

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    No, there's no way to downgrade, and there's no REASON to downgrade, you can downgrade the firmware fine and use it with the newer baseband, why you have your heart set on doing that, I don't understand.
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    Livin the iPhone Life eddietah's Avatar
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    Quote Originally Posted by neodude237 View Post
    No, there's no way to downgrade, and there's no REASON to downgrade, you can downgrade the firmware fine and use it with the newer baseband, why you have your heart set on doing that, I don't understand.
    Cos my iPhone recently always show No Service or No Sim with this baseband

    Previously was okay with the old baseband

  9. #8
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    I don't think that's the fault of the baseband.... I'd trying another sim... or if all else fails restore and then re-unlock.
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    eddietah (2010-08-25)

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    Livin the iPhone Life eddietah's Avatar
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    Quote Originally Posted by neodude237 View Post
    I don't think that's the fault of the baseband.... I'd trying another sim... or if all else fails restore and then re-unlock.
    OIC.. so what exactly do the baseband serve as?

    Ormaybe it's because of my iProtect cos I have activated Sim Card Lock

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    Quote Originally Posted by eddietah View Post
    OIC.. so what exactly do the baseband serve as?

    Ormaybe it's because of my iProtect cos I have activated Sim Card Lock
    That would seem a little more likely. I'm probably talking out my butt now, but the baseband is what the phone uses to communicate to the cell phone towers more or less. Somebody else can give a better explanation of that, but I don't think having 5.13 over 5.11 is going to be causing those problems.
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    eddietah (2010-08-25)

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    Quote Originally Posted by neodude237 View Post
    That would seem a little more likely. I'm probably talking out my butt now, but the baseband is what the phone uses to communicate to the cell phone towers more or less. Somebody else can give a better explanation of that, but I don't think having 5.13 over 5.11 is going to be causing those problems.
    So that means is okay to have 3.1.3 with 05.13.04

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    To the best of my knowledge, yes, it should work just fine.
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    eddietah (2010-08-25)

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    Quote Originally Posted by neodude237 View Post
    To the best of my knowledge, yes, it should work just fine.
    Okie thank you so much for your help

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