How to Join Home Assistant to an Existing Thread Network.For Apple Thread networks, you'll need an iPhone with the Home Assistant Companion app. Import credentials through the app's Thread settings.

Part 4 - Thread border router - Home Assistant Connect ZBT-1(image: "ghcr.io/d34dc3n73r/hass-otbr-docker")

Options for OpenTread Border Router

matter-gateway-part-2 thread Connect ZBT-1

Matter auto discovery

Using Matter and Thread in a dockerized HA instance.I have flashed my Connect ZBT-1 with an openthread firmware (thread only). The dongle will act as a border router.

IPv6 communication with the Matter accessory device

IPv6 and Matter