After downloading Seas0nPass for Windows, it’s time to jailbreak your second generation Apple TV on firmware iOS 4.3. Follow steps below on how to jailbreak and tether boot your Apple TV 2G now!
Step 1: Unzip the ‘Seas0nPass.zip’ file and launch Seas0nPass.
Step 2: If your AppleTV is not yet jailbroken, select ‘Create IPSW’. (if already jailbroken, and you just need to do a ‘tethered boot’ scroll down). This will download the latest iOS 4.3 firmware files for your Apple TV.
Step 3: These latest AppleTV files will be used to create a custom ‘jailbroken’ software files.
Step 4: Follow rest of the Jailbreaking Steps (4-6) and Tethered booting process here.
Tether Booting Apple TV 2G
Currently, there is no untethered jailbreak exploit for jailbreaking iOS 4.3. You have to boot your device into tethered mode. Just follow the steps listed here.