Once you have the extracted firmware file, follow these steps for a manual USB update: How to Update TCL Tv by USB
: Place all six RAR parts (01 to 06) into the same folder on your computer. Download TCL LED49S4900 Firmware part01 part06 rar
: The extraction software will automatically detect and pull data from the subsequent parts (02, 03, etc.) to recreate the original file, which is typically a .bin or .img firmware file. Once you have the extracted firmware file, follow