Use AirPlay with an Apple TV or AirPlay-compatible smart TV
Open Control Center on your iPhone
Tap Screen Mirroring
Select your TV from the list
Enter the AirPlay code if prompted
Use a Lightning to HDMI adapter and HDMI cable
Connect the adapter to your iPhone
Connect the HDMI cable to the adapter and TV
Switch your TV to the correct HDMI input
Use a USB-C to HDMI adapter if your iPhone uses USB-C
Connect the adapter to your iPhone
Connect the HDMI cable to the adapter and TV
Switch your TV to the correct HDMI input
Use a compatible streaming app with built-in casting or AirPlay
Make sure your iPhone and TV are on the same Wi-Fi network
Restart your iPhone, TV, or router if the connection fails