Hold down the Settings button on the remote control for ten seconds.
After ten seconds, a blue box will appear in the upper right corner.
Enter the numbers 8080 and then press OK.
Select the option Remote, as shown in the image below.

Restart your LG screen

Press CONFIRM and wait for the application to complete the launch process.

Restart your LG screen

Once loaded, restart the LG screen (this may take a few minutes).