iPhone / iPad Untethered 4.2.1 Jailbreak for iPad, iPhone 4, 3GS, & 3G Now Available via GreenPois0n RC.52 (Windows) February 6th, 2011 21The much awaited untethered 4.2.1 jailbreak tool for the iPad, iPhone 4, 3GS and 3G on the Windows platform is now available, thanks to GreenPois0n.
