Follow these steps to set up and use the screen mirror feature on your Smart TV:

1. Enable Screen Mirroring on your Smart TV’s built-in settings.
2. On your mobile device, open Settings, and enable screen mirroring from your Display or Connected Devices section.
3. Connect your device to the same Wi-Fi network that your Smart TV is connected to.
4. Confirm the connection on both your device and your TV.
5. Open an application or media file on your device, and it should appear as mirrored on your Smart TV.