The sim card that exists inside your phone is what connects your phone to your specific cellular network. For most of us we might not even realize it’s there. When we get a new phone from our carrier, ...

Have you ever gotten a new phone only to find out it’s locked to a specific carrier? This often happens when you purchase a subsidized phone from a carrier. The carrier locks the phone so you can’t ...

The US Secret Service this week revealed that a probe into a surge of swatting calls against high-ranking officials led investigators to a vast and stunning network of more than 100,000 SIM cards and ...

Portable SIM card stores authentication information to wirelessly connect any smartphone or tablet to a network with the wave of a hand Instead of burying them in phones, Japanese mobile carrier NTT ...