Extract the files to the root of a FAT32-formatted USB drive. Insert the USB into the TV's port while it is off.
This specific file string refers to the for the TP.HV530.PC821 motherboard Download HV530 PC821 3840x2160 REF36 part01 rar
Power on the TV; the software update should begin automatically. Extract the files to the root of a FAT32-formatted USB drive