The string you've provided refers to , specifically for a TP.HV553.PC821 board (or similar HV553 variant). This software is used to resolve issues like the TV being "stuck at the logo," hanging, or restarting unexpectedly. Technical Specifications
Copying the extracted firmware file to a FAT32-formatted USB drive. Download HV553 3840x2160 GENERAL 65JP65UAS part01 rar
Inserting the drive into the TV’s USB port while it is powered off. The string you've provided refers to , specifically for a TP
: The specific display panel this software is configured to drive. Inserting the drive into the TV’s USB port
Installing incorrect firmware can permanently "brick" your television. Ensure the board model and panel model match your hardware exactly before proceeding.
These files are typically used by technicians to "flash" the TV. This is usually done by:
Holding the power button while plugging it in to trigger the automatic update process.