I realise the issue is probably that my new X50 appears to be using a default SSID rather than the one I created when first setting up my network. Assuming this is the problem can someone advise how...

All, I have just purchased an additional X50 to add to my existing network, consisting of 1 main and 2 satellite units (all X 50's) I have followed the procedure on the app and the new deco is...