P0sixninja, the iPhone hacker behind the Greenpois0n jailbreak tool, has posted on twitter that the updated version of Greenpois0n RC5 is almost ready and will be released soon. The Greenpois0n RC5 will support jailbreak on iPhone 4, 3GS, iPod Touch 4G, 3G and iPad running iOS 4.2.1. GreenPois0n is based on Geohot’s Limera1n bootrom exploit yea, [...]