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What Is A SIM Card and What Does It Do?

On the surface, SIM cards might seem complicated, especially for such a small, yet integral, part of your phone. But their function and how they work is actually easy to understand—especially with us on your side. So, whether you’re researching SIM cards because you’re switching yours to a new phone, because you’ve just received your... Read more

What is eSIM?

If you’re already familiar with what a SIM card is, you wireless genius, you may have also heard the term “eSIM.” An eSIM, also known as an embedded SIM, is a completely virtual SIM card— basically one you can’t physically touch. Instead, it’s a programmable SIM card that does what a physical SIM card does:... Read more