@Souvik30 QoS is not equal to Bandwidth Control, you can check this article we posted before: QoS: Optimize Your Wi-Fi Network If you want to test if the QoS is taking effect, try to run speedtest...

@rich123456789 If that is the case, we would like to follow up on your case via email. Please check your inbox and provide the information that we need.

@Joohyun If only some webpages cannot be loaded, we don't suggest you disable the WMM. Can we confirm who is your ISP? Is it possible to connect a computer directly to the ISP modem, then check those...

@Slyguns Are you talking about Facebook Wi-Fi? Only Archer C50 supports it: https://www.tp-link.com/support/faq/2298/

@SanjitK You may stay with the latest firmware provided by the local service center, monitor the connectivity, then report back to the community or email if the issue is resolved or not. Just to...

@AnilCH Great. Enjoy the internet.