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
: Once the light stops flashing (roughly 3 minutes), the update is complete. Download HV320 PB801 1920Г—1080 China part4 rar
: Pages like New Advance Electronics & Sapir Parts frequently share Google Drive links for this specific board. The file you are looking for, is likely
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. : Pages like New Advance Electronics & Sapir
: Tech groups like lcd tv led tv smart tv software and Softwarezone.ga host large directories of these .rar files.
You can often find these specific firmware files on technician-focused platforms: