Dear Tony, I have contacted them twice, still I have difficulties. I have resort to factory reset and change my SSID but problem still persist. Is it a faulty set I have gotten?

Model : Archer C3200 Hardware Version : Not Clear Firmware Version : SelfLoading ISP : MyRepublic I am on myrepublic ISP fibre optic network with 200Mbps (tested good) and formerly using their...