what you'll need: USB Version 2.0 port (per product spec: 'USB: Version 2.0 (only for software update)') or built-in web interface; Galileo MAX also supports web-based configuration
1Download the firmware file from https://lumenradio.com/support-materials/latest-firmware-gmax/ when the file becomes available (currently returns an error)
2Alternatively: connect a USB cable from your computer to the Galileo MAX USB port
3Access the Galileo MAX web interface in a browser via its IP address
4Navigate to the firmware update section
5Upload the firmware file and confirm the update
GotchaThe firmware download file (latest-firmware-gmax) is currently missing from the LumenRadio server; direct download is unavailable as of 2026-05-21
GotchaFirmware release notes PDF for Galileo MAX is identical to the general CRMX release notes PDF (same file hash); Galileo MAX-specific changelog is not publicly documented
GotchaGalileo MAX supports CRMX2 protocol; firmware must be at a version that enables CRMX2 for that functionality
GotchaContact LumenRadio support (support link on product page) to request the current firmware file if needed