No, they use the exact same driver software, Z-Wave JS, which is responsible for the firmware update. The difference is ZUI has extra features and an alternative UI. Plenty of users have had problems using ZUI to update firmware, you likely would have seen the problem there too.
It’s possible to flash the firmware in HAOS:
You don’t need to reinstall anything.
I would first try using the command line utility to attempt to upgrade the stick again. It will handle the condition when the stick is stuck at the bootloader: 700 series Controller Firmware Updates (Linux) · kpine/zwave-js-server-docker Wiki · GitHub
Basically:
Disable the Z-Wave integration, and make sure the Z-Wave JS add-on is stopped
Copy the 7.18 gbl file to HA somewhere, i.e. /config
Install either of the Terminal/SSH add-ons
Open the chosen SSH a…
You can update the firmware manually when it’s stuck in the bootloader, from the command line, directly from HAOS.
Use the community SSH add-on and enable protected mode for the terminal session. Copy the firmware file to your /config directory. Then login via the SSH add-on.
Install npm:
$ apk add --no-cache npm
Run the flash utility:
$ npx -y @zwave-js/flash /dev/ttyUSB0 /config/fw.gbl
Run with verbose option if there are any issues:
$ npx -y @zwave-js/flash /dev/ttyUSB0 /config/fw.gbl …
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