Set the correct COM Port and Baud Rate (usually 115200) in the tool.
. Select the correct COM port and set the Mode to "Serialdown". File Selection : Click the "File" button and navigate to your firmware file. Initiate Flash : Click "Start". The program will wait for a handshake. gxdownloaderbootv1032 exclusive
: Close other terminal software and check Device Manager for the right port number. "No Response from Target" / "Boot Fail" Cause : Timing issue or incorrect wiring. Set the correct COM Port and Baud Rate