My new system has no themes or wallpaper options. Set it up less than a week ago. Without this, or some sort of auto-shutdown, the LCD screen will be ruined if we accidentally leave it on. We’ve come to depend on this feature with our other Roku TVs. Why is it missing? How do I get it back?
TCL model : 65R655
Hardware ID : J102X
Serial number : X021001C8Y0G
Software version : 11.5.0 build 4317-DK