iPhone unlocks use buffer overflow -- nearly guaranteed to be broken by next Apple firmware update

In its (quite excellent) tutorial for unlocking the iPhone freely, without the use of any commercial tools, MacApper notes that the current iPhone unlock process (which is also the basis of the commercial [$50-$100] iPhoneSimFree hack) makes use of a buffer overflow exploit (as also noted by Geek Stuff).

This makes it almost certain that the current software unlock process will be disabled by Apple with a future iPhone software/firmware update, if nothing else as as a result of plugging the buffer exploit vulnerability for security reasons.

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