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Discuss unable to unlock iPhone 3g 3.1.2 at the iOS 3.x (iPhone OS 3.x) - Hackint0sh.org; Hi. Im trying to unlock and jailbreak my iPhone 3G 3.1.2 Jailbreak: used blackra1n and ...
  1. #1
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    Default unable to unlock iPhone 3g 3.1.2

    Hi.
    Im trying to unlock and jailbreak my iPhone 3G 3.1.2

    Jailbreak: used blackra1n and it jailbreaks it successfully.
    Unlock: used blackSnow but it gives No Service or No signal bars. reseted the Network settings and disabled 3G. But still no service/no signal bars.

    So now im trying to go to 2.2.1
    After 10 minutes of installing and processing, itunes gives me this error:
    An unknown error occured(1015).


    any solution?


    info:
    Country: sweden
    operator: Halebop (a part of Telia)
    Im using mac, leopard.



  2. #2
    Super Moderator Array Olethros's Avatar

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    Default

    Quote Originally Posted by alexandergre View Post
    Hi.
    Im trying to unlock and jailbreak my iPhone 3G 3.1.2

    Jailbreak: used blackra1n and it jailbreaks it successfully.
    Unlock: used blackSnow but it gives No Service or No signal bars. reseted the Network settings and disabled 3G. But still no service/no signal bars.

    So now im trying to go to 2.2.1
    After 10 minutes of installing and processing, itunes gives me this error:
    An unknown error occured(1015)?


    info:
    Country: sweden
    operator: Halebop (a part of Telia)
    Im using mac, leopard.
    The error you receive is because you have not put your iPhone into DFU mode which is required to downgrade the iPhone OS.

    http://www.hackint0sh.org/f137/54082.htm

    Even once you manage this, you will find that you likely need to downgrade iTunes (and it's supporting drivers) to version 8.1.1 or lower.
    iPhone and iPod touch: How to remove and reinstall the Apple Mobile Device Service on Mac OS X

    Additionally, although you can downgrade the iPhone OS. You generally can't downgrade baseband.

    What baseband did you have at 3.1.2? Probably 05.11.07.

    Baseband 05.11.07 can only be unlocked by blacksn0w and really only works with OS 3.1.x and OS 3.0.x

    You can try fuzzyband to downgrade the baseband, but your chances of your 3G supporting it are slim.
    iClarified - Apple News - Fuzzyband 3.1b1 Now Supports iPhone OS 3.0
    iClarified - iPhone - How to Downgrade Your iPhone 3G Baseband Using Fuzzyband
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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    Question

    Hello

    I have the same problem, i use blackrain to jailbreak a 3G 3.1.2(7D11) but i cant get wi-fi (havenīt activated it yet)

    what can i do to fix this?

    thanks in advance

 

 

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