To go beyond basic blocking, consider these expert strategies:
Ensure your Deco app and M4 firmware are updated. Go to App Store/Play Store > Update Deco app. Then, in the Deco app: More > System > Firmware Update. Older versions of the firmware sometimes buried Whitelist under "Security." mac address filter on tplink deco m4
Even advanced users hit snags. Here is how to fix the most common issues with the Deco M4’s filter. To go beyond basic blocking, consider these expert
This happens if you didn't add your current phone's MAC address before enabling the filter. Unfortunately, you cannot access the app if you are locked out. Older versions of the firmware sometimes buried Whitelist
The Deco app interface does not have a simple "Add MAC Address Manually" button in the Blocked List menu. You must use the Network Map feature via the web interface.
Why would you bother with this? Here are three practical scenarios.
If you enable a strict MAC whitelist on your Deco M4, you will wake up to find your smart bulbs "unresponsive." Why? Because they changed their MAC address overnight, and the Deco M4 no longer recognizes them.
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