The file you are looking for, is likely part of a multi-volume firmware archive for the TP.HV320.PB801 Android Smart TV motherboard. This specific version is configured for a 1920x1080 resolution (Full HD) display. Where to Find the Files
: Tech groups like lcd tv led tv smart tv software and Softwarezone.ga host large directories of these .rar files. Download HV320 PB801 1920Г—1080 China part4 rar
: Place the extracted firmware file (usually named allupgrade_msd338_4G_1G.bin or similar) into the root directory. The file you are looking for, is likely