If you've ever upgraded to a new phone or switched carriers, chances are you're already familiar with the concept of a SIM ...

Our opinions are our own. When you pay your monthly cell phone bill with certain credit cards, you get insurance coverage that can reimburse you for a damaged or stolen phone. You probably shouldn ...

You'll find your credit card number either on the front or on the back of the card. Credit cards usually have 15 or 16 ...

The calling card was, by societal whim, the only way past the transom for chancers seeking “face time” when it still meant that. We apologize, but this video has failed to load. Try refreshing ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Dropping your phone is never a pleasant experience, especially if you lack a case, screen protector ...

If you're like me and have broken your phone on more than one occasion, these credit cards could come in handy. Raina He is a contributor to CNET Money. She previously worked as an editor at CNET ...