Notes on settings (8)

■ What should you do if I receive the message "SMS messages sent and received to activate FaceTime and IMessage may be charged by your carrier"?

■ What should you do when you get a notification that your phone number is currently being used by iMessage and FaceTime on my new iPhone?

■ Can you use ride-sharing services?

■ Where is the IP address?

■ "Access Point Name settings are not available for this user" on my APN settings (Android)

■ Is it possible to choose/select the network provider for the line?

■ Why is it necessary to turn on data roaming?

■ List of APN Codes