: Tech groups like lcd tv led tv smart tv software and Softwarezone.ga host large directories of these .rar files.

: Insert the USB into the TV board and power it on. The board should automatically detect the file and begin flashing, indicated by a blinking LED light.

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

Because this is a multi-part .rar archive, you must download (e.g., part1, part2, part3, and part4) for the extraction to work. Missing "part4" will prevent the firmware from being usable.

You can often find these specific firmware files on technician-focused platforms: