Because a "dump" file is a direct copy of a memory chip's data, you cannot simply plug it into a USB port like a standard software update.
: Firmware dumps are often hosted on community forums like Elektrotanya or KenotronTV . Always verify that the board number on your TV matches the one in the dump's description before flashing. Standard Update Alternative
: Use a tool like WinRAR or 7-Zip to unzip the .rar archive. Inside, you will typically find a .bin or .hex file.
: Connect the programmer to the chip (using a clip or by desoldering) and use the programmer's software to write the downloaded dump data onto it. Safety and Risks
If your TV still turns on and you just want to update the software, you may not need a "dump" file.