Hey folks we before reported you that the Untethered Jailbreak for Apple TV2G on iOS4.2.1 is out by the Chronic Dev-team. Greenpois0n has been updated to RC6 to support Apple TV now. So you can follow the simple guide and a video guide below on how perform an Untethered Jailbreak on Apple TV2G using Greenpois0n RC6 and enjoy some third party Apps like Nito TV.

Steps to Follow:

Step#1:

Download Apple TV 2G iOS 4.2.1 (Click here to download or update using iTunes updater)
Download GreenPois0n RC6 for Windows or Mac (Click here to download)

Step#2:

Turn off your Apple TV and connect it to your computer and run Greenpois0n.

When asked for this message Press yes.

Step#3:

Your Apple TV2G power must be turned off and make sure it is connected to your computer. Now follow the simple steps and put your device into DFU mode.

Step#4:

When you are in the DFU mode so press Jailbreak and the process will start on your Device.

Step#5:

When you will be done, Now unplug the Apple TV from your computer and connect it to TV. Go to GreenPois0n menu and select Inject Software as shown below.

Step#6:

Now Select Install Cydia+SSH

Let GreenPois0n install Cydia packages. Restart AppleTV when prompted.

Congratulations, you have done a successful Apple TV 2G iOS 4.2.1 Untethered Jailbreak.

Video:

special thanks to DarKii for the Video Guide

If you like this video so do post a comment on the video and let him know that how much was this helpful.