SIMs offer faster activation, better security, and easy travel SIMs, but drawbacks include harder transfers, carrier limits, ...

Small, secure, and energy-efficient–the iSIM is the next generation of the SIM card. But what exactly is behind this ...

As smartphones have become more pervasive in our lives, we've all kind of been forced to pick up basic knowledge and terminology over the years. Where previously certain jargon would exclusively be ...

Using two SIM cards, or enabling a dual-SIM setup, can be helpful when you need two separate phone plans on a single device. It easily lets you consolidate personal and work numbers on one phone, for ...

Embedded SIM, or eSIM, is a technology that has been available on mobile phones for years. Instead of fiddling with a tiny, physical SIM card, you can add a cellular plan electronically via SIM ...

Does Verizon use SIM cards in its phones or are they internal? Here’s everything you need to know, including what’s happening to its CDMA2000 network… When you’re talking about cellphones, a SIM card ...