Apple TV 2 won't update YouTube app? Recently, Google updated the YouTube App for Apple TV, revamping the whole UI. Because I love watching ads Because the new version has all content accessible and an improved UI, I would like to upgrade to it.

However, my Apple TV has not automatically updated the channel. I did get the other channels which came out around the same time as this YouTube update. 

I've tried rebooting the Apple TV (soft and hard) as well as checking System > General > Software Updates, but no luck.

Is there another way to force an update? Or, is perhaps the update itself limited to Apple TV 3? I would like to know either way before I go through the hassle of a firmware re-install...
The updated YouTube app requires Apple TV Software Update 7.0 which is only available for 3rd generation Apple TV.

About Apple TV (2nd and 3rd generation) software updates

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How to update software on your Apple TV