@Jalexp Hi, In the QoS settings, it's suggested to set up the real download and upload speed, for your case, if the main Deco gets 200Mbps/20Mbps speed from your front-end router, it's suggested to...

@PaulMidd Hi, How about the LED status on the main Deco M4R? Do you mean you can't connect to the Deco's Wi-Fi network? If not, can you send me the picture which ask for username and password?

@AdrianSld You can refer to the link below to know the difference between the Deco E4 and M4. https://www.tp-link.com/support/faq/2423/ The main difference is that the E4 has a 100Mbps Ethernet port,...

@szt In your case, please try to reboot the Deco, and then try to press the reset button for 1s to reset the Deco to factory default settings. If the LED remains solid yellow. Please refer to the...

@ah365 Hi, What's the device you used to perform video chat? A laptop or phone? What's the OS and version of the device? When the problem occurs, is your client connected to the main Deco or the...

@Scoredo Hi, for your problem, please help to confirm the following information. 1. What is the current network topology? How do you connect Deco together, by wired or Wi-Fi? 2. Is the Deco works in...