@Neel You can go to official website to download the latest firmware and install it. Below is the download link: https://www.tp-link.com/support/download/archer-c6/#Firmware How to update the...

@JJMartin I see, you can return it and get a new device which supports QoS, like Archer C7, Archer A9 and Archer A10 and so on. May it help.

@SSMP Thanks for your requesting. First, except reboot the router, please check the system time of the Archer A9; you can login to the web UI locally and go to advanced-system tools-time settings to...

@Ismail_Hossain Sorry for that, so the TL-WR820N works in regular router mode and the wired connection is good, but wifi connection is unstable? Try to change some wireless settings to improve its...

@horace_vr Below is the instruction to setup the WDS feature to boost the wifi signal. https://www.tp-link.com/support/faq/227/ Please use the same password of the main router ( Archer C2) to...

@Benforest Sorry for the inconvenience, I get your point. We have noted that and forwarded to our product department about this request. They will work on it and evaluate the feasibility to improve...