User Manual
   FrSky Firmware Update How-to  www.FrSky-rc.com 
Step4: 
Connect the FrSky FDD connector to the module as 
shown. Take note that the connector is oriented the 
same as in the photo. 
Step5: 
Unpack the “frsky_upgrade.rar” archive file and run 
the “frsky_update_rev11.exe” program. Match the 
COM port number to the one assigned by Windows 
to the FrSky USB firmware programmer. 
Step6: 
Click the “File” button and select the new FrSky 
upgrade firmware ROM file from where it was saved.
Step7: 
Power up the transmitter. After getting the UID 
number, click the “Download” button to start the 
firmware upgrade. Exit the process by clicking the 
“END” button, after finish.
Thank you for using FrSky systems. Should you need further information or help, 
please feel free to send an e-mail to FrSky’s technical support: sales4tech@gmail.com. 


