Since installing my Deco M9 plus its hard to call with whatsapp (data-call) to another user of the Deco M9. It takes 20-30 seconds to get connected on wifi. Phones are put on wifi-calls possible. When

Hello I have setup a Mesh network using 3 X Deco M4 units which has totally transformed our internet! They are amazing! There is one problem my girlfriend has been having which doesnt happen on any on