: The specific EEPROM/Flash Memory chip model (8MB capacity) where this software is stored.

The string refers to a for a specific satellite receiver model. These files are typically used by technicians to "unbrick" or restore devices that have software failures. Technical Breakdown

: A complete copy of the data stored in the receiver's flash memory. GEANT GX6605H

: The brand (Géant) and the specific chipset model (GX6605H).

: Removing the MD25Q64 chip and flashing it directly using a hardware programmer (like the CH341A).