Turning off 5ghz reduces speed to less than ¼. Turning off mesh technology then I might as well return the goods as this is the main purpose of the purchase. iPhones remain connected to the wifi at...

I have a brand new Deco X60 system with three units. We have 3 IPhone 11 Pro in our home plus MacBooks and other systems. Two of the iPhones keep loosing internet connection although there is full...