@Paulinthious It did, again it's a hack, I just used the Ethernet cable I intended to use as backhaul between the main device and the satellite to connect it to my ISP's router, so it became the main...

@Plagmar Yeah I tried that this afternoon. It did connect the furthest device to the correct one... for few hours. I just checked again, and it's now connected again to the main device (with no power...

Yep exact same issue, purchased a Deco M9+ 3-pack few weeks ago. The furthest one has a direct line of sight (about 12 meters) to the middle one, which uses ethernet backhaul to connect to the main...