@Born2Code When you write "I tried to configure it over WiFi close to the router and then connect it via MoCA, but that didn't seem to work either -- the iPhone app never could connect to it.", do...

@rret You are indeed limited to the changes allowed by the app.

@rret All settings are only accessible via the Deco app.

@Let-It-Snowman I assume that you are replicating on the Deco the config (PPPoE, etc...) you had on the Asus router. Is it possible that the modem, in transparency mode, expects the Deco to use the...

@Olequickdraw By "...", do you mean the menu "reboot, remove, support"? I suggesting taping the name of the Deco (or the pencil icon just to the right of the name). That should allow changing the...

@Born2Code If your phone is connected to the wifi of the Deco, the Deco app should show you the info about the Deco mesh. Can you not simpky create a new configuration for the Deco mesh, connecting...