@Alexandre. & @TP-Link I don't want to jinx myself but I believe I've found my solution and everything seems to be connected and working. For future reference the solution for the Google devices...

@TP-Link Okay thanks I'll give that a try next. I did try one other test (which I am not sure is the solution but worth a try) and that is I changed the wifi encryption methods settings. I am...

@TP-Link Thanks for replying. Just so that I am clear, are you suggesting that I temporarily disable the 2.4ghz band on my deco x3600 (x86) and see if that help solve the connectivity issue of the...

@Alexandre. Toggling the "mesh" setting to off did not fix the issues and my insignia ns-cspgasp still eventually loses connectivity. I rely on this device for home automation so it not working with...

Update: I changed my ISP provider gateway SSID and the good news was that all devices worked but the bad news is that my Google home mini and my Insignia google speakers both ended up dropping the...

@Alexandre. Thanks a lot for replying! That is a good idea and I will temporarily change the SSID of my ISP providers gateway combo and see which devices connect and work properly with the Deco mesh...