Download the file.
Double click on the file and let it automatically install, install and run as Administrator.
Make sure you have a fresh battery or a uninterrupted power supply.
Open and run the Customer Programming Software (CPS).
Go to Device, then Update on the menu.
The CPS will take a few minutes to find the firmware package.
A table will appear, select the firmware package matching the version of the file that was sent to you.
Proceed with update, don’t interfere with the computer or in any way interrupt the process.
The CPS should say “Update Complete.”