@GeorgeBark they never replied. Lousy support for this company. I ended up doing what I didn't want to do: config it as an AP and give the control to another router from my ISP. It solved out the...

@Sholofly in the application. Per device.

@Sholofly pair them on the main node while others are disconnected. Then disable their mesh option and only then connect the other nodes to the power.

@Sholofly I'm talking these days with TP support and tried a beta version they sent me with no luck. Current option I found for now is connecting all the Shellies to the master node and prevent them...

Another thing I wanted to ask: I want to prevent the Shelly from using the mesh and pair them only to the master. I tried resetting them, disconnecting the slaves of the DECO and pairing the Shelly...

Thank you @CRLS. This is exactly what I did (connect all to the master) but not what I expected from the mesh. I also bought it to solve the IGMP issue with lots of Shelly components in my house. If...