An object that provides notifications of changes to the user’s cellular service provider.
- iOS 4.0+
- Mac Catalyst 13.0+
- Core Telephony
Your app should be able to handle changes to the user’s cellular service provider. For example, the user could swap the device’s SIM card with one from another provider while your app is running.
This class also gives you access to the
CTCarrier object, which contains information about the user’s home cellular service provider.