@TP-Link_Deco 1. Who was your ISP before and what was the model number of the old modem/router? What was the WAN connection type on the main Deco on the 1st floor? - My previous ISP was KPN (Dutch),...

I recently switched from my Internet Provider and since then my Deco P7 does not work as it should be. My previous setup: IP Modem/router is DHCP server, Wifi switched off. An ethernet cable is...