Hello @sunshine - that's really helpful thank you. I think that it's the Deco network that is unstable. I guess that is because it's creating a mesh network from a SIM card router? I think I will...

We live in area with very bad broadband and so we have to use a router with SIM card. Our house is on 3 levels so we bought an Archer MR400 for the SIM card, and were recommended the Deco P9 range...