You must extract the .rar file using a tool like WinRAR or 7-Zip to find the actual firmware file, which usually has a .bin or .img extension. Installation Guide

. Using the wrong firmware version can permanently "brick" the device. Use a USB flash drive (FAT32 format).

There are two primary ways to install these dump files depending on your TV's current state: If the TV still turns on and allows menu access: