4K Smart TV motherboard. This board is commonly used in various universal and brand-specific Ultra HD (3840x2160) LED TVs. Understanding the File TP.HV553.PC821 Go to product viewer dialog for this item. : This is the model of the TV's main motherboard.

: Once you have all parts, extract them to a formatted USB drive. Insert the drive into the TV's USB port and follow the software setup instructions , which typically involve holding the power button while plugging in the AC power to trigger the update.

: Since this is "part 2," you must have all parts (e.g., part01, part02, etc.) in the same folder to successfully extract the final software file. How to Find and Use It