Connect a PC to the Deco unit over Ethernet to set up a TP-Link Deco without the app. Put "http:// tplinkdeco.net" into the address bar of an open browser. If you want to manually configure your network settings, just follow the web-based setup tutorial. Make that the modem and Deco unit are connected correctly. Seeking further advice from our website for tp link deco setup without app would be very beneficial. Use our live chat tool to speak with our specialists and obtain more information.