You don't need a SIM card and cellular service to use most features of today's iPhones and Android phones. Most apps and services run just fine as long as you have access to WiFi, and you can even set ...

The way we communicate is changing, and the old-school SIM card starts to feel a bit outdated. Adapting to these changes can be challenging. But don't worry—virtual phone numbers are here to save the ...

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.