@the_dark_eel Hi, the 867Mbps is the wireless link speed, when the Archer C50 works as a regular wireless router, its speed will be limited by the WAN port which is 100Mbps LAN port; but this Archer...

@JeGa What is the current firmware version? Please ensure that it is the latest one. Try to enable QoS only but do not enable device priority to give it a shot. Good day.

@Sangeet5025 Hello, for the 5GHz, it supports band 1 and band 4 only, in other words, it does not support others, like 42 or 155. It has nothing to do with the channel width.

@simcha07 Thanks for your suggestion, we have noted that and we will keep an eye on similar feedback and forward them to the product department. Good day.

@Nidhi Do all devices fail to connect to the wifi network? Have you ever tried to log into the web UI of this router and change the wireless settings? Including wireless network name and password....

@Azazel110 What about the 5GHz wireless led? Please log into the web UI of the Archer C4000 and verify whether the wifi feature is enabled; And is there error message on the 5GHz wireless settings...