@Tony Only the main extender (the one that came with the AV500s) plugged into the router. The others (2 x AV500 externders and 2xAV1000) are distributed around the house. Is there a way to access the...

I have an existing Sky fibre connection (older sky not SkyQ) I have an existing AV500 kit (2 extenders and plugged into Sky router) - TL-WPA4220 Wifi and wired connections are fine on both AV500...