How eSIMs Work, and How to Switch From a Standard SIM

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.
Android Authority

Does the Apple iPhone 16 have eSIM and dual-SIM capabilities?

In the US, all versions of the Apple iPhone 16 series support eSIM. They also all support dual-SIM, using two eSIM profiles at a time. However, there is no support for physical SIM cards in the US.
PC Magazine

Using Two SIM Cards Is Easy and Can Save You Money. Here's How to Do It

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 ...
talkandroid.com

How Do SIM Cards Work?

Have you ever wondered exactly how a SIM card works? We’ll help you understand why your phone needs one and what they do to keep you connected. Image: TalkAndroid Editorial Note: Talk Android may ...