The upcoming iPhone 13 and the future Apple Car may be just two of the products out of Cupertino that will eventually be able to have access to low Earth orbit (LEO) satellite communications. This would allow Apple iPhone 13 users to be able to make calls or send messages when outside of regular radio mast coverage.
https://www.notebookcheck.net/Apple-iPhone-13-and-Apple-Car-may-have-access-to-low-Earth-orbit-satellites-for-tower-free-communication.557398.0.html