Apple has begun to ship new iPhone 3GS units with an updated boot ROM, breaking the exploit commonly used to jailbreak the device. iClarified reports that the new ROM—iBoot-359.3.2—is not vulnerable to the “24kpwn” exploit, and began shipping last week. According to a Twitter post from “MuscleNerd,” this is the first time in the history of the iPhone and iPod touch that hackers have seen Apple update the boot ROM…
