You don't need to lose your old SIM contacts or photos when you upgrade to an iPhone, because Apple's iOS operating system and iTunes software allow you to transfer ...

A very close friend of mine just upgraded to a BlackBerry Torch. As a newbie, she was so excited that she almost forgot about her address book. How was she going to transfer her contacts from her ...

Protect yourself against SIM swapping and more security threats by setting up a SIM PIN right now.

If you’ve ever had the nightmarish experience of trying to retrieve all your peeps’ phone numbers after you lost your phone, you may want Think Geek’s SIM card backup gadget. The device has 16KB ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...