To setup TP-Link Deco WiFi Routers , you should use TP-Link Deco App.
1- Download the TP-link Deco App
2- Tap on the Deco app.
3- Connect the modem to Deco Router
First, power off the modem. Connect your Deco to the modem by using Ethernet Cable. Then power them both on.
4- Select the router’s location
Select a location for this Deco.
5- Create your WiFi network
Set a network name (SSID) and a password for your new Wifi network.
6- Add more Deco routers
You can add more Deco routers to expand WiFi coverage. You can add more deco routers one by one through this app.