If you get the firmware from HomeSeer, then @bcopeland had developed a z-wave firmware updater that will work on the C-5 before he became Hubitat staff.
Described here:
And available from his personal Github:
If you get the firmware from HomeSeer, then @bcopeland had developed a z-wave firmware updater that will work on the C-5 before he became Hubitat staff.
Described here:
And available from his personal Github: