Lots of people have been having the following error:
The Apple TV ‘Apple TV’ could not be restored. This device isn’t eligible for the requested build.
You can read about this error, why it happens and what you can do to fix it here:
Basically, the error happens when you do not have the shsh files for the firmware you are trying to restore to. Click on the link to read more about it.
Hope this helps some people :)