Open the GXDownloader_boot.exe . Select the correct COM Port (you can find this in your PC's Device Manager).
Choose GX6605S from the "Chip Type" dropdown menu.
The transfer will begin. Do not disconnect the cable or power until the process reaches 100% and indicates success. Downloading the Software gxdownloader boot v1032 link
To use this tool, you will need a or a USB-to-RS232 adapter to connect your computer to the receiver's serial port.
Click the "File" or "Open" button to browse for your .bin firmware file. Open the GXDownloader_boot
GXDownloader Boot is a serial flashing tool designed for processors. Version V1.032 is widely regarded as a stable and "fixed" release specifically optimized for the GX6605S hardware, which is common in many budget and mid-range satellite set-top boxes.
Click Start . Once the progress bar begins or the tool says "Please power on the board," turn on your satellite receiver. The transfer will begin
GXDownloader Boot V1.032: The Essential Guide for GX6605S Receivers
If a connection is interrupted, the tool can often restart the download from where it stopped, saving time and reducing the risk of a corrupted flash.