I need an untethered jailbreak of 4.2.1 for my iPhone 4. Help! Btw, I already saw iPhone Dev Teams Blog, so id need anything from that. Can you help. I think greenpois0n or redsn0w are the ones. When is the general release going to be for the untethered redsn0w jailbreak for 4.2.1. Whatever jailbreak it is, it needs to be untethered. Also, the jailbreaks were supposed to release on Christmas but it didn't, so when?