The .rar file mentioned contains the executable loader and often a generic "boot" file needed to initialize the flashing process. Step-by-Step Recovery Process
Connect your receiver to your PC using the RS232 cable or TTL adapter. Ensure the receiver is powered OFF . Download GXDownloader boot raqmedia com rar
The loader should recognize the connection and begin the "Erase" and "Write" process. Download GXDownloader boot raqmedia com rar
Once the progress bar reaches 100% and shows a "Completed" or "Success" message, unplug the serial cable and reboot your box. Safety Tips Download GXDownloader boot raqmedia com rar
If possible, always try to "Dump" or backup your current flash memory before writing new firmware.