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Discuss How can i downgrade from os4 to 3.1.3 on a factory unlcoked iphone 3gs? at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hi guys. I have a factory unlocked iphone 3gs, which worked wery nice on 3.1.3. ...
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    Default How can i downgrade from os4 to 3.1.3 on a factory unlcoked iphone 3gs?

    Hi guys.
    I have a factory unlocked iphone 3gs, which worked wery nice on 3.1.3. Since os4 came out, i upgrade it, but i cannot jailbreak it.
    Also, i canno put the tonibile setings on the iphone, I can't se that option anymore. So my question is....
    Can i downgrade to 3.1.3?, or is there a custim os4 firmware that would allow me to install cycdia, and also config the iphone for tmobil mms and web setting?
    If yes, than can someone give me some advice?
    Thanks



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    I upgraded my factory unlocked 3GS from 3.1.3 to 4.0... cellular data (GPRS) has stopped working after upgrade.. working on wifi is fine though... does this have any relation whatsoever to a jailbreak? any ideas ? should i restore back and wait till a jailbreak arrives?

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    Quote Originally Posted by Vikaskaushik View Post
    I upgraded my factory unlocked 3GS from 3.1.3 to 4.0... cellular data (GPRS) has stopped working after upgrade.. working on wifi is fine though... does this have any relation whatsoever to a jailbreak? any ideas ? should i restore back and wait till a jailbreak arrives?
    Get your SHSH for OS 3.1.3 as soon as possible. Then you can downgrade when you want to.
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