Before you begin, ensure you have a standard USB flash drive. For the best results, use one with at least of space [15]. Format to FAT32
The TV will detect the file; select to begin the installation. Method B: Forced Update (TV is Off/Recovery) Power off the TV and unplug it from the wall. Insert the USB drive into the TV. Tcl Tv Software Update Usb
: Place the downloaded software file (often named Update.img or a .zip file) directly in the root directory of the USB drive. Do not put it inside any folders. Before you begin, ensure you have a standard USB flash drive