Why do some carriers (like T-Mobile) require the use of separate Access Point Names/Settings for specific kinds of data (like MMS) on some phones (like the Nexus 6)?
The T-Mobile Nexus 6 APN list includes one "T-Mobile MMS" APN (which has no selectable radio button alongside it) and 6 "optional" APNs (which are attached to radio buttons) for different pre-paid/post-paid users.
Is it a connection-quality decision or just an account-type/billing decision to split APN types into multiple APNs?
The T-Mobile Nexus 6 APN list includes one "T-Mobile MMS" APN (which has no selectable radio button alongside it) and 6 "optional" APNs (which are attached to radio buttons) for different pre-paid/post-paid users.
Is it a connection-quality decision or just an account-type/billing decision to split APN types into multiple APNs?