As promised, iPhone Dev team announced Redsn0w 0.9.7b1 untethered jailbreak for iOS 4.2.1. Redsn0w 0.9.7b1 jailbreak is designed to work with iPhone 4, iPod Touch 4G and Apple iPad. Those who are using iPhone 3G, iPhone 3G S, iPod Touch 2G on iOS 4.2.1 already have a fully working untethered jailbreak with Redsn0w 0.9.6b6. As [...]