Once you have downloaded all parts, extract them (usually by right-clicking part01 ) into a single folder. Copy the resulting .bin or .img file to the root directory of a FAT32-formatted USB drive to begin the update.
Are you trying to or just looking for a feature update ? Complete TP HV553 PC821 Software Setup Instructions
The file you are looking for is part of the TP.HV553.PC821 (or similar) motherboard firmware series, specifically for 4K (3840x2160) general-purpose boards often used in 55-inch models like the 55JP55UAS . Where to Download: