@MrGregert I'm also having the same issue. I had completed a hard reset on my primary Deco S4 (1 of 3) and was forced to set up a completely new Wi-Fi network. My old SSID dropped from the Deco app,...

Hi! I had the same issue as the person who posted originally and this procedure did not work for me. The first wi-fi network I created no longer shows up in the Deco app, so I ended up having to...