@Marvin_S Thanks Marvin. May I know do I just remove the C9 and plug the cable from the ONT to the S4 and it will just work? Thanks.

@Marvin_S Hi, thanks for posting question here. May I confirm some information to understand your situation better? 1. How many Deco S4 do you have? Is your Archer C9 connected to main S4 or...

Hi, I have these 2 annoying issues since I got my S4 many years ago. My S4 is connected to a TP Link Archer C9. Problem 1 When people call me using Whatsapp, I can hear them but they can't hear us....

@TP-Link It works! Thanks!

Hi, I am trying very hard to connect my S4 to my ISP modem. It is a pure modem and NOT a modem router. I have also watched the video https://fb.watch/2zCmMDb2VE/ and my ISP is Singtel. I have used...

@TP-Link I tried. It doesn't work. I even tried to reset the S4 and plug directly to the ISP modem and do a fresh setup. Still it doesn't work. Any ideas? Thanks.