@Contra Thanks for your feedback. We would add them to the basic trouble-shooting steps. Thank you very much and wish you a happy new year.

@Contra Thank you very much for sharing. It would be very helpful for our trouble shooting.

@Yugnat Hi, thanks for your feedback. It is more related to the IP conflict. And if possible, could you please help me check the following information on the Deco APP: 1. the IP settings on the IPV4...

@JCW2 Thanks for your feedback. Yes, It Is right. The current firmware for the M9 Plus did not support network optimization. And we have the plan to add it on the M9 plus in the later firmware...

@Dh716 Hi, What is the required internet connection type of your internet service provider since from the detailed you have provided, it is not dynamic IP, more like PPPoE with username and password;...

@cameer7 Hi, Thanks for your patience. The network diagram is ok for your home. You could reset the TL-WPA4220 to disable the Wi-Fi clone; And if you need additional powerline adapter, you could...