Thanks to the Chronic Dev-Team, GreenPois0n RC5 has just been released! The latest GreenPois0n brings untethered to ALL iDevices (except Apple TV) running iOS 4.2.1! The jailbreak is for Windows and Mac, as the Linux version will be released very soon as well as RC6 which will bring support to Apple TV's. This jailbreak does NOT require any of your saved SHSH's and is a fully Untethered jailbreak. Download's available at GreenPois0n. The current Windows version is at Beta 2 and the Mac version is on Beta 3.