@Betacart Hi, please refer to this link to get the solution： https://community.tp-link.com/en/home/forum/topic/271440

This Article Applies to: All Deco models Issue Description/Phenomenon: On the Deco app, only the Advanced and Manager features show up. Solution: 1.Turn off all the Deco units, wait for 2 minutes,...

@NomeraYuji Hi, I see that your current firmware is 1.4.3 and Currently the latest firmware for Deco M4 is 1.5.x; So did you mean after updating to 1.4.3, the speed slow down? Would you mind...

@bingav Hi, did you also add the pay-to-surf category for Win 8.1 laptop under the parental control profile? And once the category was removed, the laptop would update from the windows server?

@damo3au Thank you very much. I have forwarded your case to the senior engineers and please check the email for further assistance.

@Edd999 yes, it is just what you have drawn before and just made a little bit straightforward; And the TP-Link switches are compatible.