Jailbreak iOS 4.2.1: Greenpois0n RC5 is Available on Mac First, the Windows Version to Follow

At the moment, the hacker P0sixninja of Chronic Dev Team announced that their iOS 4.2.1 jailbreak tool untethered Greenpois0n RC5 is available for Mac users in a first moment. Of course, those running Windows will have Greenpois0n RC5 but a little later.

"The valuation date of release of [Greenpois0n RC5] is when I have compiled and uploaded (Mac OSX only for the first version, sorry."

Mac