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What is an eSIM?

An eSIM, or embedded SIM, is a digital version of a traditional SIM card that is permanently embedded in modern smartphones. Unlike removable SIM cards, which require physical swapping to change carriers or plans, eSIMs allow users to store multiple SIM profiles on a single chip, enabling easy switching between different mobile networks without the need for physical cards.

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Updated on June 4, 2025
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