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.

Your new device may not even support physical SIMs! Don't worry, we can show you how to transfer an eSIM to a new iPhone.

To use Dual SIM with eSIM, you simply activate two eSIMs; see “ How to activate and set up your iPhone 14’s cellular service with eSIM,” which includes advice for any eSIM-supporting iPhone.

Google's Pixel 10 series eliminates physical SIM cards in the US. If you're worried about the change, here's why you shouldn't be.