I only bought it yesterday the 18.11.20

@TP-Link_Deco unfortunately the process you mentioned is far beyond my level of technical knowledge. When I was buying the product I was doing so under the assumption that it was a simple set up. I...

I have just bought a tp link system. Two deco M4 units. One of them is working fine, the other one will not move from the initial solid yellow light. I have tried making this one the main and the...