Chronic Dev-Team has released the Greenpois0n RC6 for both Windows and Mac. This updated version brings untethered jailbreak for Apple TV 2G running iOS 4.2.1. You can download the Greenpois0n RC6 for Windows and Mac from here.
After downloading the Greenpois0n RC6 follow the step-by-step guide posted here to untethered jailbreak iOS 4.2.1 on iPhone, iPod touch and iPad.
Update: How to untethered jailbreak iOS 4.2.1 on Apple TV 2G with Greenpois0n (Complete guide)
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Tags: Apple Apple TV 2G greenpois0n ios 4.2 iOS 4.2.1 ipad iPhone ipod Touch jailbreak mac untethered untethered Jailbreak windows
