@rapattack Hi, please refer to the following link to set up the MAC filtering on the router to have a look; Thank you very much.

@Tnimni Hi, sorry for the delay. May I know which button on the back of the router did you click, the reset button or Wi-Fi button? Did you mean after clicking, the 5ghz would show up temporally, the...

@hamadauno Good day. Sorry for the delay. Could you please verify if all the devices could not see the 5ghz？ Were they able to detect any other 5ghz networks? Have you tried to change the wireless...

Good day. Thank you very much for your kind reply. Almost all of our latest models used Qos, instead of the bandwidth control. So it might not be added later. Generally speaking, Qos is more flexible...

@Omarrr Good day, Sorry for the delay. Before the Qos was disabled, the internet connection would not drop out? Except for the QoS, are there other change on the modem, like a new device joining in,...

Good day. How can I help you today?