
Cyberpunks at Firecore have updated their flagship Seas0nPass tool on Mac that now supports untethered jailbreak on firmware iOS 4.2.1. Seas0nPass is like a PwnageTool and Sn0wbreeze that allows you to create custom Apple TV IPSW files and restore them in iTunes. Currently, Seas0nPass only supports 2nd-gen Apple TV 2 and is Mac OS specific.
This updated version of Seas0nPass incorporates the latest kernel based exploit from GreenPois0n to untether jailbreak on iOS 4.2.1. Using this updated version of Seas0nPass you can jailbreak Apple TV 2G untethered on iOS 4.2.1. For your kind information Seas0nPass is similar to Sn0wbreeze for Windows or PwnageTool for Mac. It can create custom jailbroken .IPSW files for Apple TV 2G. Windows version of Seas0nPass is going to be released soon. Currently Seas0nPass is available only for Mac OS X.
Simply follow the step by step instructions posted below to jailbreak Apple TV 2G on iOS 4.2.1 untethered with Seas0nPass. Before following the steps you must have iTunes 10.1.2, Micro USB cable, Seas0nPass, and iOS 4.2.1 for Apple TV. Now follow the steps carefully. If you’ve already jailbroken with GreenPois0n (RC 6.1) you do not need to re-jailbreak – both Seas0nPass and GreenPois0n use same feedface exploit in conjunction with geohot’s limera1n exploit.