Format a USB 2.0 flash drive (preferably 4GB to 16GB) to the file system. Unzip the downloaded firmware package on your computer.
This board is a "three-in-one" driver board, meaning it integrates the power supply, LED backlight driver, and the main TV logic board into a single PCB. It typically supports screen sizes ranging from 32 to 55 inches with Full HD ( ) resolution. Software Download and Installation Guide tp.hv553.pc821 software download