Hi, The guest network is open by default, that means other devices can connect to the network without permission. While you can customize the wifi settings of the guest network, Open Deco app, go to...

You are welcome, please let me know if you need any further help. Have a nice day.

Hi, The Deco M9 plus supports TP-Link DDNS; once you opened the Deco APP, click more-advanced-TP-Link DDNS to enable and configure it. Here is an instruction you can refer to:...

Hi, Please try to disable the anti-virus software and firewall first; then try to ping the client from the server and test whether it works. If still the same, please show us a screenshot of the ping...

Hi, Appreciate your kindness; while we would love to verify the specific symptoms of each case first and then provide specific answer; as you know, sometimes, downgrade is not suitable or there is a...

Hi, From the screenshot, you select Blacklist without any keywords, that means there is NO filter rules at all. The device still can access any websites at any time if it wants. What I mean is that...