1. To access the phone app, tap the Phone icon on the home screen.
   
2. To hide your caller ID, from the Phone app, tap the Menu icon.
   
3. Tap Settings.
   
4. Tap Calls.
   
5. Tap Additional settings.
   
6. Tap Caller ID.
   
7. Tap Hide number.
   Note: To block your Caller ID on a per-call basis, dial *67 before the 10-digit phone number.
   
8. To show your caller ID, tap Caller ID, then tap Show number.