Make sure your Samsung TV and casting device are connected to the same Wi-Fi network
Turn on the Samsung TV
Open the content you want to cast on your phone, tablet, or computer
Tap the Cast, AirPlay, or Screen Mirroring icon
Select your Samsung TV from the list of available devices
Enter the code on the TV if prompted
Allow the connection to complete
Start playing the content
To cast from an Android device, use Smart View, Cast, or Screen Mirroring
To cast from an iPhone or iPad, use AirPlay if your Samsung TV supports it
To cast from a Windows PC, use the Connect or Cast option
To stop casting, tap the Cast, AirPlay, or Screen Mirroring icon again and disconnect