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EntityQ230110· pop 66· linked from 1,354 articles

SIM 카드

Also known as subscriber identity module, subscriber identification module

가입자 식별모드를 구현한 스마트카드

AI overview

A SIM card is a small smart card that goes inside your phone and contains the information needed to connect to your cellular network and identify your account. It matters because without it, your phone can't authenticate with your carrier to make calls, send texts, or use mobile data.

AI-generated from the Wikipedia summary — may contain errors.