Legacy Waris CPS was originally built for Windows XP and Windows 7. If you are running , follow these steps to prevent installation errors: Right-click the installer file ( setup.exe ). Select Properties and navigate to the Compatibility tab.
The Motorola GM338 is a legendary workhorse in the world of mobile two-way radios. Known for its durability and clear audio, it remains a favorite for commercial vehicle fleets, industrial sites, and amateur radio enthusiasts alike.
This occurs when the software loses communication mid-transfer. Check for a loose programming cable link, low voltage on your power supply, or a weak USB driver.
: Always "Read" the radio first and save the original codeplug file before making any changes. This ensures you can restore the radio if the new configuration fails. Basic Process : Install the CPS and connect the radio.
You can download the software and updates from Motorola Solutions official website: https://www.motorolasolutions.com/en_us/support/software/motorola-gm338-programming-software.html motorola gm338 programming software download upd link
If you try to run the original GM338 software on a modern Windows 10 or Windows 11 computer, it likely won't work natively. You will almost certainly need to use a running Windows XP, or an old laptop, to successfully program the radio.
Older versions of the software may not recognize newer firmware versions on your GM338. 📥 How to Access the Software Legally and Safely
To ensure you have the latest features and bug fixes, it's essential to keep your programming software up-to-date. Here's how to update the software:
Depending on your geographic region, the radio uses different firmware structures: Legacy Waris CPS was originally built for Windows
CHIRP (open-source) does not support the GM338 fully – only Motorola CPS works reliably for codeplug programming, tuning, and feature enabling.
The safest and most legal method is to register a business account on the Motorola Solutions MyView portal. Once verified, you can buy or download the authorized legacy CPS files.
After double-checking your frequency entries, click the icon in the software. Do not touch the cable, turn off the computer, or interrupt the power supply while the progress bar fills. The radio will typically emit a confirmation beep and reboot itself once the write process completes successfully.
Modify your frequencies, PL/DPL tones, and button configurations as needed, then click to push the updates back to the radio. Troubleshooting Common Errors The Motorola GM338 is a legendary workhorse in
: Versions released after R06.12.05 often restrict programming to narrowband (12.5 kHz) only, unless you have a specific 25 kHz entitlement key from Motorola. Compatibility :
Files found on forums or "updater" sites often contain malware or corrupted drivers that can "brick" your radio.
The GM338 is part of a regionalized product line. Ensure you download the correct version for your device's region: