@Colm1 In Deco app, under Network Settings/Network Name (SSID)/Advanced there is "Hide Network" option. Make sure it is turned off. That's the only thing I can think of for WiFi network name not to...

@abicin You must be hitting limits of WiFi5 wireless protocol that M4 supports. Theoretical limit is 860Mbps, realistic, depending on radio interference and other factors: 60%-70% of that. Getting...

@Adrz In Deco app, open More/Advanced and check if you have Smart DHCP setting there. If you do, is it set to Enabled or Disabled?

@ideron IP range 192.168.1.X is for when Deco mesh is in Router mode. Check Operation Mode in Deco app, under More/Advanced: maybe firmware update or accidental finger slip while in Deco app put Deco...

@JoMiJe Check if this applies to your situation: How to extend guest network when there is a switch between Decos

@P1ur Solution for this, and other similar issues is to configure Deco mesh to run in Access point mode: Switching a Deco to Access Point (AP) Mode That will make all devices in your home network run...