Two of the three iphones keep dropping off from WiFi. the third and other devices do not. Our router is sky and we have switched off its WiFi capabilities and using Deco as the wifi network (AP mode).

I am a simple soul. I have connected my deco to provide a Wi-Fi mesh to my new Sky router via an Ethernet cable. I have disabled my sky Wi-Fi so I no longer see the network and set the Deco to an Acce