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Discuss Is there a way to reverse IPSF? at the iPhone "2G" (Rev. 1) - Hackint0sh.org; I'm wondering if it's possible to do this. It would make returning a post IPSF ...
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    Default Is there a way to reverse IPSF?

    I'm wondering if it's possible to do this. It would make returning a post IPSF to an apple store a lot easier to explain/totally lie to someone.



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    curious about this also

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    A great question, since at its heart it also asks whether Apple could shut out the IPSF unlock. I am far from an expert on this, so take my comments with multiple grains of salt. I believe that IPSF changes the state of the iPhone to "unlocked and not lockable," and I also believe it does this somewhere in the seczone section of the firmware.

    Further, I believe that portion of the firmware was not affected by the 1.1.1 upgrade, which is why IPSF's unlock survives it.

    My theoretical question would be whether any of the "restore" methods out there that now switch or do things to the seczone would un-do the IPSF unlock (or whether a future Apple upgrade that re-writes all or a portion of the seczone would un-do the IPSF unlock). Unfortunately, I don't have an answer to that.

 

 

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