Check that your phone and smart TV are connected to the same Wi-Fi network
Open the TV’s screen mirroring or casting feature
On Android, swipe down and tap Cast, Smart View, Screen Cast, or Wireless Display
On iPhone, open Control Center and tap Screen Mirroring
Select your smart TV from the list of available devices
Enter the code shown on the TV if prompted
Allow any connection permissions on the phone or TV
Use an HDMI adapter if wireless casting is not available
Connect the phone to the adapter and the adapter to the TV’s HDMI port
Switch the TV input to the correct HDMI source
Open the content you want to display on your phone
Disconnect by stopping screen mirroring or unplugging the adapter