@HarlanPepper I have no idea. I installed Teamviewer to my laptop and allowed remote control to the Tp-Link engineer - trusting it really was a TP-Link engineer and not a criminal. Using my laptop he...

@ImARealMesh An update from me... I had contact with TP-Link engineer about a month ago. We had a remote session (about 2 hours) and he investigated my Decos.He found something, did a temporary fix...

@TP-Link_Deco Hi, thanks for your reply. Here are my answers. Both satellites have icons visible for both Wifi and PLC. Obviously, when the app doesn't have connect to the basement Deco unit, then I...

@TP-Link_Deco This problem looks very similar to mine. Please see also https://community.tp-link.com/en/home/forum/topic/225268

An update: This morning I started working with a laptop with wifi connection to the basement Deco unit, which sits on the same desk, i.e. the distance is short. Connection was created immediately and...

Hi I've had a 3 unit Deco P9 system from February this year. The Deco is in router mode.All units are connected directly to mains, no extension cords are used. Main unit and one of the satellites are...