Arrived today, plugged it in. Is something supposed to happen? Blue led pulses slowly. If I turn it sideways, it pulses rapidly, so I guess it doesn't like that.
Tried default out of the box firmware AND zbt2_zigbee_ncp_7.4.4.5.gbl AND the default thread version installed via https://toolbox.openhomefoundation.org/home-assistant-connect-zbt-2/install/.
Tried usb 3 and usb 2 on the raspberry pi, both didn't work. Device is detected on mac os though for firmware flashing purposes.
Home assistant runs in a VM on proxmox if that matters.
No idea what else I'm supposed to do...
Install the latest Zigbee or Thread firmware on your ZBT-2