@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?

@zageng Good day. Thank you very much for your time and patience. Was the modem given by your internet service provider？ If it is, the current firmware might be the customized by the internet service...

@Logixz Good day. Sorry for the delay. Thank you very much for your time and patience. We would like to follow up your case via email and please have a check of your email box later;