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- SIM card - Wikipedia
A SIM card or SIM (subscriber identity module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones, tablets, and laptops)
- What is a SIM card and what does it do? - iMore
What is a SIM card and what does it do? Best answer: It's a Subscriber Identity Module; a small circuit board in most modern phones to communicate with your carrier
- What is a SIM card? Everything you need to know - Android . . .
SIM stands for “ Subscriber Identity Module,” and a SIM card is essentially the card that holds your carrier’s subscriber identity data It’s the small chip-like card that you insert into
- What Is a SIM Card and How Does It Work? - Built In
A SIM card allows users to connect to carrier networks and use services specific to their device Each SIM card acts as a unique identifier for a user, and stores their information such as type of network plan, calls and text messages and amount of device data
- What Is a SIM Card? How Your Phone Connects to the Network
A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more
- What Is a SIM Card? - WhistleOut
Your SIM card is essentially your phone's way of connecting to your carrier's network and identifying your phone as yours Every single SIM card has a unique international mobile subscriber identity (IMSI), which pairs it to your specific cell phone number and carrier plan
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