HDMI-CEC is not working with Apple TV 4K
To control your Apple TV with HDMI / TV remote
- Enable CEC on your TV (INPUT settings) & Apple TV (Remotes and Devices)
- Change HDMI mode to HDMI 2.1 (supports eARC + 4K UHD) from TV’s HDMI settings
- Start using TV remote on your Apple TV
Apple TV 4K