@iiee 

The time limits are cumulative across all devices in the profile.  Once the time is used up all devices will lose access to the internet until the next day unless you increase the time restrictions. 

@iiee can you still control a teens iphone if they have unlimited data? 

@AllisonJ  Do you mean the data that come from mobile service provider itself? If so then it cannot be controlled by Deco.  Deco can only control the wifi connection time to that iphone. 

Deco is useful for Laptop, PC, Smart TV, and phone/tablet without data simcard.  It controls the time of those devices connected to Deco internet.  If those devices have their own data simcards, Deco can't do anything.