Try this
Sharing smartphone screen with the TV via an MHL cable
1. Press the [Home] button on the TV remote.
2. Press the wheel button of the TV remote, find [Device Connection App], and then select the device connection app.
3. Select your smartphone.
4. Select [Screen Share] to view smartphone screens on the Smart TV.
5. Select [MHL] and then select [Finish].
The connector and cable for connection vary depending on the smartphone model.
Make sure to contact the smartphone manufacturer to obtain the specifications for the required adapter.
This guide was created for all models, so the images or content may be different from your product.