A warning for all you iPhone jailbreak enthusiasts: Apple’s newest OS software update contains quite a stink bomb—10.5.6 disables the Pwnage tool, making you unable to jailbreak or unlock your iPhone or iPod Touch. The update prevents jailbreaking by disabling the software at the computer level, a step up from what the company usually does: release a firmware update that re-locks the iPhone.

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Apple Leopard 10.5.6 Update Pwns Pwnage, Breaks Jailbreak [IPwn]