Make sure your iPhone and AirPlay device are connected to the same Wi-Fi network
Open Control Center on your iPhone
Tap Screen Mirroring for mirroring your entire screen
Tap the AirPlay icon in supported apps for streaming audio or video
Select your AirPlay-compatible device from the list
Enter the AirPlay code if prompted
To stop mirroring or streaming, open Control Center again and tap Stop Mirroring or disconnect from the AirPlay device