@STCat You need to use the username and password for your current ISP's service, not a generic BT one. I have the M5 connected in the same way as you are having issues with and works fine with my...

@Kevy This is the forum for Deco devices, might be best to post in the Cable modem/Router series forum

@cacb That message means there is a device with weak network signal on the network and the router is struggling to fulfill the device's requests, as the device is not correctly responding.

There is a difference between the internet connection and your WiFi. If the internet access is poor, it won't matter what system you link to it. Have you performed speed tests in each part of your...

@patseeb Why are you adding a mesh system to a mesh system?

As Sky can be a pain with changing routers, is there a particular reason you want to change?