If the "your phone is not registered on a network" error has popped up on your Android phone, you know how frustrating it can be. Whether you want to call your family ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Republished on June 27 with new advice and defenses for smartphone ...

A Falcon 9 launched 21 Starlink satellites from Vandenberg Space Force Base in California Jan. 2, including six SpaceX says are capable of providing connectivity to unmodified smartphones. Credit: ...

Is the PSTN Still in Use? Yes, but There Are Better Options Your email has been sent Explore the ongoing use of the Public Switched Telephone Network (PSTN) and ...

Add Yahoo as a preferred source to see more of our stories on Google. AT&T cell phone service is down, customers across the country are reporting. The problem is part of a nationwide telecommunication ...