Jailbreak iOS 4.2.1 Untethered On iPhone 4, 3GS, iPad, iPod Touch and Apple TV on Mac OS X Using GreenPois0n RC5_2[How To] Continue ReadingJailbreak iOS 4.2.1 Untethered On iPhone 4, 3GS, iPad, iPod Touch and Apple TV on Mac OS X Using GreenPois0n RC5_2[How To]