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 ...

For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

Chandraveer, a seasoned mechanical design engineer turned tech reporter and reviewer, brings more than three years of rich experience in consumer tech journalism to the table, having contributed to ...