@FredericNg It would still be useful if you could share screenshot of that page. In one case, powering off all Deco units and then powering them on restored some features missing. You should try...

@FredericNg I have seen this error message when there is Deco unit in Deco mesh which does not support Connection Preference feature. What else do you have in your Deco mesh? It'll help if you could...

@AbeTasticx Before you do return your X50-PoE, check in Deco app if new version of firmware is available. It is under More/System/Update Deco. If there is, updating firmware might fix issues. I think...

@AzizaC At my house I am using TP-Link SG1005D - this is one of the switches from your list. It is definitely compatible with Deco.

@AzizaC What you need is "5-port gigabit Ethernet unmanaged switch" To avoid issues with Deco mesh, that networking switch should be of TP-Link brand. Any can do, check availability with local...

@David-TP I have submitted app logs and sent reply to your private message with ticket # under which these logs can be found. I have installed beta firmware you sent me on Satellite Deco unit I am...