Requirements for this Guide:
1. AppleTV running iOS 4.2.1
Download: Greenpois0n RC6.1
12958 downloads
Step One: Opening Greenpois0n
Double click the downloaded gp_win_rc6_final.zip file then double-click the greenpois0n.exe file to launch it.

When asked if you are jailbreaking the Apple TV click Yes.

Step Two: Setting Up
Disconnect your Apple TV from the power and USB then click the large Prepare to Jailbreak (DFU) button.

Step Three: Going into DFU Mode
You will now be instructed on how to place your Apple TV into DFU mode.
Connect the USB cable immediately.

After 7 seconds connect the power cable.

Press the Menu and Play/Pause buttons for 7 seconds

Release the buttons.
Step Four: Jailbreaking
Once your Apple TV is successfully in DFU mode, press the Jailbreak button to begin jailbreaking.

Once the jailbreak is complete you can press the Complete button.









