I have a Deco network inside. I also put a deco X50 outdoor but the signal outside is still weak. It is used to manage portal, camera, pool switches (Alexa controlled) which are 20-30m far from the X5

How can I set up a network connected to the internet through my provider box (Ethernet) but when internet fiber is disconnected (it happens often) the network switches to the 4G internet ? My Network:

I have 3 Deco M9Plus (Living room-Principal, Kitchen, Bedroom) i added a X50 outdoor for the garden. But the Living room-Principal is very far. I tried to set up the preferred signal switched off and

I have 3 deco M9 covering my house which work perfectly. I installed a doorbell Ring at the gate (60m far from the Deco). The system (Ring) tells me the wi-fi signal is poor. Which tp-link device shou