How to firmware flash any FrSky "S Series" device with your Turnigy 9XR Pro Remote.
This video is an overview of wiring necessary in order to flash your device.
For the full description and step-by-step instructions, please visit the original article on Thrust Worx here: http://thrustworx.com/frsky-x-series-receiver-sensor-s-port-firmware-flashing-9xr-pro-complete-guide
FTDI Adapter: http://thrustworx.com/recommends/ftdi-adapter-bg