Menu labels and LED meanings can vary by model and hardware version. Keep the product label and official manual available while following this guide.
1. Prepare the modem and router
Install the Deco app, connect the first Deco to the modem and wait for its status light to indicate setup readiness.
2. Open the guided setup
Create the Deco network in the app, select the correct location and allow the main unit to complete any update.
3. Configure Internet and WiFi
Add other Deco units close enough for initial detection before moving them to final positions.
4. Place and connect mesh units
Use Access Point mode when another router must retain routing functions, or Router mode when Deco should control the network.
5. Verify and document the setup
Test Internet speed, local access and every important room. Save the administrator address and configuration backup without storing passwords publicly.
TP-Link Deco Mesh Wi-Fi FAQs
Can different Deco models work together?
Many Deco models can share a network, though features and backhaul performance can vary.
Does Deco replace the modem?
Usually no. It connects to a modem or fibre terminal and can replace the routing and WiFi functions.
Why is my Deco red?
It can indicate no Internet on the main unit or loss of mesh connectivity on a satellite.