SIM cards have become a universal aspect of modern smartphone usage, but the technology and meaning behind the name dates more than three decades.

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...

One of the most shocking announcements at Apple’s iPhone 14 event was the removal of physical SIM cards in the series. We are used to swapping SIM cards around whenever we want to switch phones. It ...

Are you tired of carrying two separate phones for your personal and professional life? The best dual sim phone is the answer, offering the convenience of two phone lines in a single device. We’ve ...

As mentioned in the quick answer section above, the Samsung Galaxy Z Fold 5 has dual-SIM support, but it comes in two flavors. The US version comes with one physical nano-SIM card slot and an eSIM.