Most legacy Professional Series CPS versions run best on Windows 7 or Windows 10. If you are using a USB cable, ensure you have the correct USB-to-Serial drivers installed.
Motorola GM338 Programming Software: A Complete Guide to Setup and Updates
Ensure you are looking for the version compatible with your region (AZ for Asia, LA for Latin America, AA for North America). Using the wrong regional software can result in an "Unsupported Model" error. Hardware Requirements for Programming motorola gm338 programming software download upd upd
If using a USB programming cable, install the Prolific or FTDI drivers before plugging in the cable.
Simply downloading the software isn't enough; you need the physical link between your PC and the radio. Most legacy Professional Series CPS versions run best
Most local Motorola dealers provide the software upon purchase of the radio or as a separate service package.
Always ensure the radio is connected to a stable 13.8V power source during programming to prevent "bricking" the device during a write cycle. How to Install and Update the Software Once you have secured the download, follow these steps: Using the wrong regional software can result in
Execute the setup.exe file from the downloaded folder.