How to Jailbreak an iOS 4.2.1 or 4.2 iPhone, iPad or iPod Touch with Redsn0w 0.9.6b4

Learn how to jailbreak ANY iOS 4.2.1 device with this five-minute how-to. Whether this is your first time jailbreaking an Apple mobile device or you're a seasoned pro merely unaquainted with Redsn0w 0.9.6b4, the process is dead simple. And this clip will teach you everything you'll need to know.