Question: What is the primary condition for a UE with a 5G subscription to roam into a 5G Visited Mobile Network?
Option 1: The UE must have a pre-existing data connectivity plan with the visited network.
Option 2: The visited network and the UE's Home Mobile Network must have a roaming agreement in place.
Option 3: The UE must be registered on the visited network before initiating any services.
Option 4: The home network must provide explicit permission for the UE to roam into the visited network.
Explanation: According to the service requirements, the primary condition for a UE with a 5G subscription to roam into a 5G Visited Mobile Network is that the visited network and the UE's Home Mobile Network must have a roaming agreement in place. This ensures seamless interworking between the two networks and allows the UE to access services provided by both networks.