Greenpois0n RC5: Towards a Jailbreak iOS 4.2.1 Untethered

Following the announcement made ​​by Joshua Hill, aka P0sixninja member of the Chronic Dev Team, expressing a future update software jailbreak Greenpois0n for iOS 4.2.1, many reactions have blended on the canvas. The hacker had indicated that the jailbreak is still tethered. Therefore useless redsn0w already doing exactly the same thing. But the situation could change.

P0sixninja confirms itself