If you don’t think it’s your network then try a restart through the Apple TV itself. Settings —>System—> restart
Make sure your software is up to date on it
Last step would be factory reset. If none of the above work and it’s not your network then time to call support
If you don’t think it’s your network then try a restart through the Apple TV itself. Settings —>System—> restart
Make sure your software is up to date on it
Last step would be factory reset. If none of the above work and it’s not your network then time to call support