Hook up the TX, RX, and GND pins to the corresponding pins on your receiver.
Serial Down (or sometimes specified as RAM or SPI depending on the targeted chip). Gx Downloader Boot V1 031
Are you using a standard or a USB-to-TTL adapter ? Hook up the TX, RX, and GND pins
Watch the progress bar as it erases and rewrites the flash memory. Hook up the TX
All (to ensure the entire flash image including boot loader and system files is overwritten). Step-by-Step Guide to Using Gx Downloader