Double-check that the file is not named gxrom.bin (lowercase) if your system is case-sensitive, or Gxrom.bin.bin .
Download the correct firmware for your specific model (e.g., StarSat, Tiger, Mediastar). Rename the file exactly to : Place the file in the root directory of the USB drive (do not put it in a folder). Initiate Recovery Power off the receiver. Plug the USB into the device. Press and hold the Power Button on the front panel or the remote.
Rename the downloaded firmware file to GxRom.bin (if it isn't already) and place it in the root directory of the USB drive (do not put it in a folder).
: The receiver will pull the data directly from the USB drive and re-write its flash storage. Do not turn off the power during this 2-to-5 minute window.