@David-TP It did not matter whether the guest network had 2.4 and 5 ghz on or just one of them it would always connect. However, it would only connect to the main network if 5GHz was turned off. This...

I just upgraded from the Deco M9 plus to the deco XE75. I had no issues with devices on the M9 network but with the ever growing smart home I decided to upgrade to the XE75. I integrated the XE75...