Use a tool like WinRAR or 7-Zip to extract the .bin or .hex file from the downloaded archive.
A flash dump is a binary file (often compressed in a or .zip archive) containing the full contents of the TV's EEPROM , NOR , or NAND flash memory. Technicians use these files to "re-burn" the memory chip when the TV’s software is so corrupted that it can no longer boot or accept a standard USB update. Common Sources for the .rar File
Unlike standard updates, a flash dump usually requires a hardware programmer (like the RT809F or CH341A ) to write the data directly to the chip.
Before attempting a high-risk flash dump, try these official recovery methods: