I'm not even going to list the reasons why you really should (consider) Jailbreak on your Apple TV if it supports it. I'm only going to list the (only!) method that works for me to get the device to the needed DFU mode to make it possible.
This is basically a rant about the whole Android vs iOS issue. I'm sick and tired of people quoting numbers they don't understand, so I just wanted to get a few facts straight.