Did I just brick my Z-stick before even using it?

Configuration Z-Wave
4

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:

  1. Disable the Z-Wave integration, and make sure the Z-Wave JS add-on is stopped
  2. Copy the 7.18 gbl file to HA somewhere, i.e. /config
  3. Install either of the Terminal/SSH add-ons
  4. Open the chosen SSH add-on and login
  5. Install node.js and npm via apk add npm
  6. Update the firmware with npx -y @zwave-js/flash /dev/ttyUSB0 /config/fw.gbl, replace with your USB path and your firmware file path.
  7. If successful, re-enable the Z-Wave integration

The update progress will be logged to the terminal window so it will be easy to see progress or if anything does wrong. You could run npx -y @zwave-js/flash /dev/ttyUSB0 /config/fw.gbl | tee upgrade.log if you want to save the log file.

If that works, I would not upgrade past 7.18 yet. Many more reports of jammed/unresponsive controllers on 7.19+ than on earlier versions.

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