I purchased two of above machines fro uk company Vesternet. When I asked for assistance in upgrading to Deb 12 they declined to assist in any way. I am non tech. The machines work very well but I would ask where I can find details on how to flash the new update and then restore my HA backup. The machine is a HA machine with Zigbee and zwave.
Hey, shoot me an email at vetle@smarti.dev and I can help you out.
I doubt you’re gonna get an answer here regarding how to do this properly.