: Indicates this specific firmware is configured for 4K (UHD) resolution panels.

universal TV motherboard. This board is a 4K "three-in-one" network motherboard often used in various smart TVs, such as those from . Understanding the File Components MS638 PC821 : The model number for the universal driver board.

: Likely refers to a specific TV brand or regional distributor (e.g., GIBCO, also seen as GIC or similar labels in international markets).

: Refers to a specific reference or software build version used by technicians to match the correct firmware to the internal hardware configuration.

: This indicates the total download is split into multiple compressed parts. You will need all parts (e.g., part1, part2, etc.) in the same folder to successfully extract the full firmware file. Potential Download Sources