Your Phone's SIM Card Isn't Safe Until You Do This

Cellular providers offer all kinds of security and data encryption to their customers, but there's one task users should ...
Houston Chronicle

Does Straight Talk Use SIM Cards?

Pay-as-you-go cell phone provider Straight Talk employs SIM cards, allowing you to use your own unlocked GSM or CDMA phone on the network or purchase one of the phones that the company offers directly ...
talkandroid.com

How Do SIM Cards Work?

Have you ever wondered exactly how a SIM card works? We’ll help you understand why your phone needs one and what they do to keep you connected. Image: TalkAndroid Editorial Note: Talk Android may ...
The New York Times

The SIM Card Is Going Away. That Might Be Annoying.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ryan Whitwam Most people rarely think about SIM cards, the tiny plastic ...
AppleInsider

Users report SIM card issues with Apple's iPhone 4S and iOS 5.0.1

Some owners of Apple's new iPhone 4S have been hit with SIM card error messages, even if they are connected to a CDMA carrier that does not use SIM cards. One reader ...