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 ...

We all hope we're never faced with a situation where we have to dial those three emergency numbers most of us have known since childhood — 911. Unfortunately, if the worst-case scenario comes to pass, ...

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. I started my career with CNET all the way back in ...

Government-owned BSNL is in tremendous demand and has become one of the most favoured telecom service providers because of its pocket-friendly recharge plans. It has gained more users in recent months ...