Because the Deco M4 relies on the TP-Link Deco app (available for iOS and Android), you cannot do this via a web browser. Follow these steps precisely.
Before diving into the Deco M4’s interface, let’s clarify the terminology.
On the TP-Link Deco M4, there are two primary modes of filtering:
Crucial Reality Check: MAC filtering is not foolproof. Savvy users can spoof (fake) a MAC address. However, for standard home security, parental control, and managing bandwidth hogs, it remains an excellent tool.
Unlike older routers that force you to hunt through a web interface (looking at you, 192.168.0.1), TP-Link has integrated this into the sleek Deco mobile app. Here is the step-by-step:
This is the easiest and officially supported method.
To unblock later, go to the same device and tap Unblock.
