The most reliable place for genuine updates is SWDW.net , the official repository for StarSat software.
Since this is a "dump" file, it is typically intended for use with a physical flash programmer (like the RT809F or CH341A) to write directly to the SPI Flash IC.
To download the file, you should primarily look for it on official and dedicated firmware repositories. A dump file is a complete backup of the TV or receiver's flash memory, used to repair devices stuck in boot loops or with corrupted software. Primary Download Sources
If your device is stuck in a boot state, you can sometimes trigger a recovery update using a USB drive formatted to FAT32.
Ensure your board version matches V59MS T9B exactly. Flashing a dump file with a different resolution (e.g., 1366x768 instead of 1920x1080) can result in a distorted image or a "no display" state.