@David-TP . thanks for your post. One phone is now on 17.0.3, the other still on the list 16 OS. The third iPhone is on 15 something and has no problem. The Decos' firmware is updated. Overnight my...

@Buff-man Thanks. Fast roaming and Beam forming are turned off on the TP network are turned off. Smart DHCP is enabled. Nick

@Alexandre. Thanks. Changing the privacy setting did not seem to make a difference. Will look at the sky router

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...

Many thanks again, Let me try that today. Kind regards Nick

@Alexandre. many thanks for the very full answer and I will test this tomorrow. When I first set it up I disabled the sky wi fi but did not put the Deco in Access Point mode. It seemed ok at first...