Ensure you are using the specific file for the R200 FTA mini . Using a dump from a different model (like the "Platinum" or "HD Plus" versions if they differ) can permanently damage the hardware.
The dump file is usually distributed in a .rar or .zip archive. You can find common community-shared versions on satellite support forums. Download dump geant R200 FTA mini rar
Because a "dump" is a raw memory image, it often requires more than just a USB stick if the device won't boot. Ensure you are using the specific file for the R200 FTA mini
Never power off the device during the flashing process, as this will result in a corrupted flash chip. Software Download - Megatec Download dump geant R200 FTA mini rar