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. Start with the correct product type
Set up and fix TP-Link Deco mesh systems, node placement, app onboarding, Ethernet backhaul and access-point mode.
2. Choose the right setup method
Create the Deco network in the app, select the correct location and allow the main unit to complete any update.
3. Keep the network secure
Add other Deco units close enough for initial detection before moving them to final positions.
4. Use model-specific troubleshooting
A red Deco light normally indicates loss of Internet or a node connection problem; check whether it is the main or satellite unit.
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.