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You should see a progress bar indicating the data is being transferred. Tutorials on YouTube show that this typically takes a few minutes.

A specialized computer utility used to "push" firmware to the receiver via a serial port. You should see a progress bar indicating the

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 Once the loader displays "Completed" or "100%", wait

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". Troubleshooting Tips Connect the RS232 cable to your

Usually a .bin file contained within a .rar or .zip archive.

This usually means the COM port is wrong or the RS232 cable is loose.

Always back up your current channel list to a USB drive before performing a full software flash, as this process will wipe all user settings.