To update or recover your receivers (which use the GX6605S chipset), you need a specific RS232 loader tool and the correct firmware (dump) file. 1. Necessary Tools & Files
A DB9-to-mini-jack or DB9-to-DB9 cable (depending on your specific Prefix model's port) to connect the receiver to your PC. 2. Step-by-Step Installation Guide To update or recover your receivers (which use
Connect the RS232 cable to your PC and the receiver. Ensure the receiver is powered off at the back switch or unplugged. Loader Setup: Open the GX6605S_Loader.exe . Set the COM Port to match your PC (usually COM1 or COM3). Set the Mode to "SerialDown". Loader Setup: Open the GX6605S_Loader
You should see a progress bar indicating the data is being transferred. Tutorials on YouTube show that this typically takes a few minutes. To update or recover your receivers (which use
Once the loader displays "Completed" or "100%", wait for the receiver to reboot itself. Do not power off the device during the writing stage (80%–100%) to avoid "bricking" the unit. 3. Troubleshooting Tips
Click "Open" or "File" and select the firmware .bin file you extracted. Press the Start button on the loader. Immediately power on the receiver.
A specialized computer utility used to "push" firmware to the receiver via a serial port.