4 Like greenpois0n Alternative? YES NO Greenpois0n performs an untethered jailbreak for iOS 4.2 on the iPhone 4/3GS, iPod touch 2G/3G/4G, iPad, and Apple TV 2, allowing them to run apps unapproved by Apple. It uses the limera1n exploit by geohot. Open Source Mac Windows Linux No features added Add a feature Discontinued Old jailbreaking method. The official website is no longer available. The source code is available on GitHub.