You’ve certainly seen a Micro and Nano SIM card, right? But in few years to come, you may not need a physical SIM card anymore in order to use your mobile phone. The introduction of eSIM will make smartphones smarter, as users will enjoy full features of a regular SIM card in the almost-invisible eSIM.
SIM stands for “subscriber identity module” or “subscriber identification module”. The SIM Card contains unique information that identifies it to a specific mobile network, which allows the subscriber (like you) to use the communication features; calling, texting, browsing, etc.
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