Seas0nPass provides an UNTETHERED jailbreak of the 2nd gen Apple TV running the latest 5.0.2 (iOS 5.1.1 – 9B830) software that was released on June 6th, 2012.
http://files.firecore.com/SP/Seas0nPass.zip
Launch Seas0nPass and choose Create IPSW. When complete, connect your Apple TV to your Mac/PC using a micro-USB cable (leave power cable disconnected). Once the light on the front of the Apple TV begins to flash rapidly, point the remote at the Apple TV and hold both the MENU and PLAY/PAUSE buttons for 7 seven seconds.
Once complete, connect the Apple TV to a TV. There should be a red F logo in place of Setup on the Apple TV.
Run FireCore from your mac and install the firecore files to the Apple TV.
Run FireCore from your mac and install the firecore files to the Apple TV.
http://support.firecore.com/entries/387605