@maaxxicarvalho Hi, thank you very much for the update. May I know the model number of the network switch here? -Did you monitor the port negotiation speed through the switch? "After a while....

@RajiZ Hi, thank you very much for the feedback. It is suggested to refer to this link: How to Understand Speed Rates on the Deco APP It doesn’t stand for the actual network download/upload speed and...

@SebboThePlebbo Hi, welcome to the community. The official 1.4.3 could be found here: https://www.tp-link.com/en/support/download/deco-xe75/v1/#Firmware - Do you still remember the original firmware...

@elobornola Hi, can I have a diagram of your network topology? Is it like: ISP modem---main Deco XE75 Pro(top-1)--- Netgear switch? or ISP modem------Netgear switch---(top-1)main Deco XE75 Pro (If...

@AnanthR Hi, nice to see you again. Deco XE75 Pro with 1.2.14 supports "Connection Preference". Have you tried to set the Living Room TV to connect to the "living room" main Deco XE75 Pro: How to...

@MarkyCz Hi, welcome to the community. Can I have a screenshot of the error code 406? Have you tried the following suggestions: How to log in to the TP-Link Router's web management page when HTTPS is...