You will likely need a hardware programmer and a SOIC8 clip to flash this file.
Check that your motherboard version is exactly HMS050S-V1.0
often requires visiting specialized technician forums or firmware databases. These files are typically used to fix "brick" issues or black screens by reflashing the BIOS/firmware chip directly using a programmer. Common Sources for Firmware Dumps
Search for the motherboard model on BadCaps or Bios-Mods .
Always use your programmer (like a CH341A) to read and save a copy of your original corrupted firmware before writing the new one. Technical Support & Verification