I have finished the Apple TV 4k setup but there is still a red exclamation point under the finish home setup section. It asks for your IPhone or other IOS device. I don't have any of those. Thanks, Craig.
Apple TV 4K, tvOS 15
finish home setup
The Home setup is about the settings for AirPlay and HomeKit. The device wants to be assigned to a named room. To do so usefully, it would be configureable in the Home app on an iPhone, iPad, iPod Touch, or Mac. Without that, I seem to recall that one could set one of the pre-defined room names on Apple TV. You would need additional devices to do more with it.
Setting﹥AirPlay and HomeKit﹥Room﹥
finish home setup
The Home setup is about the settings for AirPlay and HomeKit. The device wants to be assigned to a named room. To do so usefully, it would be configureable in the Home app on an iPhone, iPad, iPod Touch, or Mac. Without that, I seem to recall that one could set one of the pre-defined room names on Apple TV. You would need additional devices to do more with it.
Setting﹥AirPlay and HomeKit﹥Room﹥
That sounds rather frustrating... I can't recall how my iPhone was used during setup, but I believe it was used to simplify configuration with all the data stored in iCloud conected to my Apple ID (WiFi passcodes, etc.).
Have you already created an Apple ID and entered it into the Apple TV during setup? This page of the ATV User Guide, Set up your Apple ID on Apple TV, seems to imply that it's possible to get the job done without another Apple device.
Beyond setup, there's a spiffy Apple TV 4K color calibration process that uses an iPhone's front facing camera, but that's purely optional and I don't recall being nagged to do it.
Best of luck.
Finishing Apple TV 4k Setup Without Another Apple Device
