@Pieter75 Hello, thanks for getting back. Sorry that I don't think we can release a new firmware to disable the Onemesh on the C2300 in a week, so I think you may contact your seller to return it....

@vardy_ns Hello, you may try to manually select the wireless channel and channel width on the C20 as below: https://www.tp-link.com/support/faq/2292/

@Grobi Thanks for your suggestion, we will investigate and see how to improve the QoS feature on the routers. While it's glad to know that your internet speed is good after manually configuring the...

@Mkashif77 Hello, have you tried to reset the WR940N to the factory defaults and reconfigure it from scratch? If not yet, please give it a go. When you found the "Enable Wireless Router Radio" is...

@xandru Hi, thanks a lot for your detailed issue description and troubleshooting you have taken, this would be helpful for others. It's glad to hear that the internet finally works properly in your...

@Pelikano Hello, can I have the screenshot of the error message when you try to enter a mail server?