How to Airplay video and mirror your device’s screen
Use Airplay to stream or share content from your Apple devices to your Apple TV or Airplay 2-compatible smart TV. Stream a video. Share your photos. Or mirror exactly what’s on your device’s screen.
Airplay video from your iPhone, iPad, or iPod touch-How to use Airplay?
1.Connect your iOS device to the same Wi-Fi network as your Apple TV or AirPlay 2-compatible smart TV.
2.Find the video that you want to AirPlay.
3.Tap 
. In some third-party apps, you might need to tap a different icon first.* In the Photos app, tap 
, then tap
4.Choose your Apple TV or AirPlay 2-compatible smart TV. Need help?
To stop streaming, tap 
in the app that you’re streaming from, then tap your iPhone, iPad, or iPod touch from the list.
*Some video apps on iOS might not support AirPlay. If you can’t use AirPlay with a video app, check the App Store for tvOS to see if that app is available on Apple TV.
If video automatically streams to an AirPlay device
in the upper-left corner, then an AirPlay device is already selected.