For the longest time, using a physical SIM (Subscriber Identity Module) card was the only way to connect cell phones to a carrier's network. Although physical SIM cards have gotten smaller over the ...

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 ...

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 ...