Setup TP-LInk Deco M9 Plus and connected it with the Deco app. Everything working great. Changed phones, downloaded Deco app on the new phone and it won't access the existing network. It gives me a...

@David-TP This is a horsehit "solution" and doesn't solve the problem. Dude isn't even aware of what the problem is. Check out what he says: "2. Please confirm the smartphone is connected to Deco’s...