Download Tcl Firmware For All Models ((free)) Direct
Place the downloaded firmware file (do not unzip unless instructions specify) into the root directory of the USB (not inside a folder).
Go to Settings > System > Software Update > Local Update . Safety Tips Never turn off the TV during the update process. Download Tcl Firmware For All Models
Settings > Device Preferences > About > System Update . Roku TV: Settings > System > System Update > Check Now . Difference Between OTA and IMG Files Place the downloaded firmware file (do not unzip