The specific file you're looking at is likely a or System Dump . Because these files are large, they are often split into parts (like "part01.rar") to make downloading easier. Key Features of the RT2982.PB801 Board

You can find official schematics and service manuals for this chassis on sites like Radio-Files . Are you trying to via USB, or Шасси TP.RT2982.PB801 схема и мануал Download RT2982 PB801 1920x1080 part01 rar

This specific firmware is for 1920x1080 (Full HD) panels. The specific file you're looking at is likely

That file name refers to the universal LED TV motherboard (chassis). This board is a popular "all-in-one" solution used in various budget 32-to-50-inch smart TVs. Download RT2982 PB801 1920x1080 part01 rar

Integrated backlight driver (constant current) which varies by the specific TV model it's installed in. Important Note on Installation