APN is required for multiple reasons, here are a few:
1. Facilitates connection: Helps phones connect to the service provider’s network.
2. Enables essential features: Allows access to network features, such as making calls, sending messages, and using the internet.
3. IP address selection: Aids in selecting IP addresses for improved connectivity.
4. Applies security measures: Implements security measures to safeguard your phone and data.
5. Network compatibility: Ensures that the phone adheres to carrier-specific network requirements.
6. Traffic separation: APN can also help separate traffic from other networks, optimizing your mobile experience.