A software-based jailbreak update for iPhone software version 1.1.3 has been released. Jailbreaking an iPhone makes it possible for unathorized, third-party applications to be installed on the iPhone. This new jailbreak requires that the user have a previously-jailbroken iPhone running software version 1.1.1 or 1.1.2 with Installer.app installed and a Windows computer. According to reports, unlocked phones appear to remain unlocked following the jailbreak/update;?

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