The 3-Unit Deco system does not appear to provide 2.4Ghz band WLAN, although both /2.4 and 5 GHz) are turned on: I want to connect an IOT device (smart thermostat) which only uses 2.4 GHz - no luck. I

I recently upgraded from m9+ to XE75. I'm finding that the XE75 frequently loses internet connection across most devices. Rebooting the router sometimes helps, but not always. Both the main and the Gu