@joosimol Hi its for sure TP Link WPS issue. I solved my problem by using old router to roam WPS (with the same SSID/Password), then I turned it off and turned Deco on and it works. Mitsubishi...

Hello, I have Mitsubishi Electric air condititioning with MAC-557IF wifi interface and 2x Deco M5. The only way to connect this interface is through WPS. I trying to accomplish that, I am doing step...