Insert the drive into the USB 2.0 port of your TV. Flash the Firmware:
Settings > Device Preferences > About > System Update . Roku TV: Settings > System > System Update > Check Now . Difference Between OTA and IMG Files Download Tcl Firmware For All Models
Keeping your TV's software up to date is about more than just new icons. A firmware refresh can: Insert the drive into the USB 2
Unplug the TV from power. Press and hold the physical Power Button on the TV (not the remote). While holding, plug the TV back in. Release when the "Upgrading Software" message appears. Download Tcl Firmware For All Models