Make sure your phone and TV are on the same Wi-Fi network
Turn on your TV and enable screen casting or screen mirroring
On Android, open Quick Settings and tap Cast, Screen Cast, Smart View, or Wireless Display
On iPhone, open Control Center and tap Screen Mirroring
Select your TV from the list of available devices
Enter the code shown on the TV if prompted
If using a streaming device, open the casting option in the app and select the device
To cast only a video or app, open the app and tap the Cast icon
To stop casting, tap the cast or mirroring option again and disconnect