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 ...
Apple made a big change with the iPhone 14, moving to an eSIM-only configuration that makes it impossible to use your current phone's SIM card. That continues with the iPhone 15, with no physical SIM ...
With the ability to Setup eSIM on iPhone 17, switching between carriers or plans is as simple as a few taps — ideal for frequent travelers, professionals, etc.
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