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
Download the .rar package containing the loader and the software. Extract the files to a folder on your desktop.
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".
A specialized computer utility used to "push" firmware to the receiver via a serial port.