You're probably already familiar with the SIM card, a tiny chip in your phone that connects it to your cell phone carrier of choice. For years, this chip was on a physical card that you could swap in ...

I have an iPhone 4S and I'm about to pull the trigger on a Nexus 4... I don't want to commit to the new platform yet, and if possible I'd like to switch between the two phones from time to time. I ...

Google is working on fixing a major inconvenience many Android users have had for years, specifically those who use two SIM cards on their phones. An upcoming Android update will make it easier to ...

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 ...