The Connect ZBT-1 ships with a full-fledged Zigbee firmware. At this point, there are no known issues with the factory-flashed firmware.

The Nabu Casa team works on integrating firmware updates for Connect ZBT-1 straight from Home Assistant. There will be update notifications for Connect ZBT-1 just like any other updates supported Home Assistant. If you have a working Zigbee or Thread setup today, don't update right now. It is recommended to wait until the new update system lands sometime early 2025.

Reflashing the Connect ZBT-1

Note: Home Assistant SkyConnect and Connect ZBT-1 use the same firmware. You can use the same firmware update process for both devices.

If you must reflash your ZBT-1 today, the following options are available:

• For Thread: The OpenThread Border Router add-on flashes the Thread firmware on startup. You can verify the add-on logs to see the output of the firmware check or potential firmware update.
• For Zigbee: You can use the Silicon Labs Flasher add-on. The add-on will flash the Connect ZBT-1 and stop right after. Before starting the add-on:
  • Disable the Zigbee Home Automation integration or any add-on which might use the Connect ZBT-1 at point of flashing
  • Start the add-on
  Verify the add-on logs to verify successful flashing.

Reflash using the Silicon Labs Web Flasher

If your Home Assistant installation has no add-ons available, you can use the web-flasher below to install the latest firmware version for Home Assistant Connect ZBT-1 directly from your browser over USB. Plug-in your Connect ZBT-1 to your computer and select the firmware version you want to install.

To read more about the SL Web Tools, refer to this blog post.