I can provide the exact and download link for your specific device.
Depending on your TCL model (Android, Google, or Roku), use one of the following methods: Method A: Menu-Based Update (Android & Google TV) Best for routine updates while the TV is functional. Tcl Software Update Usb
cleanup_usb $fw_path
: A flash drive with at least 2GB of space (8GB is recommended for larger firmware files). I can provide the exact and download link