Got a minute? Watch our eSIM explainer video.

By: C Spire on Nov 29, 2022 8:58:16 AM


The latest iPhone and Android devices are all outfitted with something new called eSIM, which replaces the tiny, physical SIM cards of yesteryear. This is a good thing.

As your smartphone’s built-in identification card, a SIM enables you to make calls, send texts and browse the internet on a cellular network. eSIM, which is built into your device, picks up where those the physical cards left off, keeping your phone more secure while making it easier than ever to upgrade.

Here’s what you need to know.

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C Spire is a privately-held telecommunications and technology company driven to deliver the best experiences in wireless, fiber internet, and business IT solutions such as internet, VoIP, cloud and managed services. Read more news releases and announcements at For more information, visit or find us on Facebook, Twitter or Instagram.