what does sim mean for cell phones
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SIM card A SIM card, also known as a subscriber identity module, is a smart card that stores data for GSM cellular telephone subscribers. Such data includes user identity, location and phone number, network authorization data, personal security keys, contact lists and stored text messages.
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SIM card A SIM card, also known as a subscriber identity module, is a smart card that stores data for GSM cellular telephone subscribers. Such data includes user identity, location and phone number, network authorization data, personal security keys, contact lists and stored text messages. Security features include authentication and encryption to protect data and prevent eavesdropping.
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- Food Lion LLC. A wholly owned subsidiary of Delhaize America, Food Lion LLC is a discount supermarket chain. History. Food Lion LLC was created in 1983, when Delhaize America, a division of Delhaize Group, renamed Food Town Stores Inc. – the southeastern grocery chain it had purchased in 1976.
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Why Do Cellphones Need a SIM Card? For comparison sake, CDMA carriers keep a list of all phones that are allowed to use their network. Phones are tracked by their ESN (electronic serial number) so they do not require SIM cards. Once activated, a CDMA phone is tied directly to that particular carrier’s network.
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What does it mean when your phone is locked/unlocked? Report Abuse. an unlocked phone means you can use it with any carrier that uses sim cards such as tmobile, att/cingular... i'm not sure if helio uses sim cards.. but if u buy the phone from helio its gonna be locked...unless you know someone who can unlock phones use it with any other servers.eport Abuse. an unlocked phone means you can use it with any carrier that uses sim cards such as tmobile, att/cingular... i'm not sure if helio uses sim cards.. but if u buy the phone from helio its gonna be locked...
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Why Do Cellphones Need a SIM Card? SIM cards are also capable of storing other information, such as contact list data and SMS messages. Most SIM cards have a capacity between 32 to 128 KB.
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dual-SIM phone A dual SIM phone is a mobile phone, typically a smartphone, with the capacity to use two subscriber identity module (SIM) cards. A SIM card is a smart card that stores data for the owner, including user identity and preferences, location and phone number, network authorization data, personal security keys, contact lists and stored text messages.
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- SIM or Subscriber Identity Module card is is a portable memory chip used in some models of cellular telephones. SIM cards store network-specific information used to authenticate and identify subscribers on the network.o, a sim card activates your phone and holds the phone number. A  memory card is used to hold music, pictures, download, texts, apps,  and anything else that is added to th … e phone.
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- Save. A SIM (subscriber identification module) card is a memory chip that holds a variety of information pertaining to a cell phone, including text messages, the cell phone number and personal identity information. It allows a cell phone to get connected to a mobile network.ontact your local mobile service provider and give it your account number and cell phone number. Ask your provider to furnish you with the SIM card number associated with your IMEI and cell phone number. Ask your mobile service provider for assistance tracing the location of your SIM card.
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- (On older devices, especially feature phones, it also stored things like text messages and contacts). The SIM card allows you to change cellular phones and keep the same user data. The SIM card is what lets your carrier know that you're the account holder of the iPhone using it.So if you take your SIM card our of your iPhone and then put it into your friend's iPhone and receive calls as though it were your own (assuming the SIM card is compatible).On older devices, especially feature phones, it also stored things like text messages and contacts). The SIM card allows you to change cellular phones and keep the same user data. The SIM card is what lets your carrier know that you're the account holder of the iPhone using it.
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Benefits of SIM Cards All GSM phones need a SIM card to run. Some of the newer phones that use a 4G LTE network also need the card even though they are on a CDMA system. A SIM card is a tiny printed circuit board that identifies you to the phone network. Each carrier has their own SIM cards and they can vary in size based on the phone.
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- The SIM may also be a “soft SIM” resident on the handset firmware rather than a physical plug-in card, or en “enbedded SIM” that is a chip installed in the phone circuitry. Anyway, here is the detail: 1  All 2G GSM (GPRS, EDGE) and 3G GSM (HSPA, HSPA+) devices use SIMs.  All 4G LTE devices use SIMs.
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How long will a torn knee ligament take to heal? It all depends on the ligament and the grade of the tear. For example a grade 3 tear on the ACL(anterior cruciate ligament) can be devastating and usually requires surgery and recovery times of up to a year. So it all depends on the ligament and injury to it.
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FAQ: Swapping SIMs to save big on calls abroad By simply replacing the existing SIM (subscriber identity module) card in the back of their phones with SIM cards from local operators or ones designed specifically for international roaming, cell phone users can save up to 80 percent when making calls instead of using a U.S. carrier's international roaming plan.
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Why Do Cellphones Need a SIM Card? In the world of mobile phones, there are two primary phone types that are available to consumers: GSM (Global System for Mobile) and CDMA (Code Division Multiple Access). GSM phones are the ones that utilize SIM cards while CDMA phones do not. SIM cards are the small cards which contains a chip that must be inserted into GSM phones before they will work. Without a SIM card, a GSM phone won’t be able to tap into any mobile network. The card is what holds all of the critical information.
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What are Unlocked Cell Phones? Unlocked cell phones are mobile phones that can be used on any GSM network with interchangeable SIM cards. No matter which carrier makes the card, the phone will be able to recognize it and send voice and data over the network.
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Definitions &Translations SIM(Noun) A character in the PC game, The Sims. They played a flight sim all afternoon. Sim(Noun) The generic term for characters in a popular PC video game, The Sims, that simulates aspects of a human social environment. They played a flight sim all afternoon.
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Translations for SIM CARD Here are all the possible meanings and translations of the word SIM card. Wiktionary(0.00 / 0 votes)Rate this definition: SIM card(Noun) a small, removable card smaller than a credit card which stores mobile phone data such as contact names and numbers, SMSs and security information.
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Apple iPad's 'Micro SIM' explained The SIM -- that tiny card that holds your contact info and account information that you find in your GSM handset -- is a 15 x 25mm plastic card whereas the new Micro SIM (also known as a 3FF SIM) is a diminutive 12 x 15mm, about 52% smaller. Needless to say, it's not physically compatible with your current phone.
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Micro-SIM A SIM card that is physically smaller than a traditional (2FF) SIM, but larger than a nano-SIM (4FF). The electric contacts and circuitry of a micro-SIM are identical to that of a larger SIM card; the plastic part is simply smaller. A micro-SIM can be used in a larger SIM card slot with an adapter.
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Unlocked Cell Phones: What Does It Mean To Be Unlocked? For example, if AT&T paid for the phone, AT&T would lock it so it could only be used on AT&T and not T-Mobile. This lock is called by several names including: Sub Lock or SPC Lock or Sim Lock. Now that you know why the cell phones are locked, I will discuss how to tell if your cell phone is locked or unlocked. First, you must determine if your phone is a GSM phone or a CDMA phone. This is easy to tell, if the phone uses a sim card (a small piece of plastic that you put in the phone, see picture below), it is GSM, if it doesn't, it is CDMA.
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"What is ""SIM card""?" What is SIM card? A SIM card is a small card that contains a mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. About half the size of a typical stamp, the SIM card is most commonly associated with GSM and UMTS handsets. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier.
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Subscriber identity module SIM cards store network-specific information used to authenticate and identify subscribers on the network. The most important of these are the ICCID, IMSI, Authentication Key (Ki), Local Area Identity (LAI) and Operator-Specific Emergency Number.
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Mobile phone The SIM card allows users to change phones by simply removing the SIM card from one mobile phone and inserting it into another mobile phone or broadband telephony device, provided that this is not prevented by a SIM lock.
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What is an iPhone SIM Card? Definition: SIM Card – SIM is short for Subscriber Identity Module. SIM cards are small removable smart cards that are used in many cell phones to store data like a customer's mobile phone number, the mobile phone company they use, and address book information.elated: More on the iPhone 4 SIM. The SIM card on iPhones can be removed by inserting a bent paperclip into the tiny hole in the SIM tray. On the iPhone 4, the SIM tray is on the phone's right side. On other models, it's on the top of the phone.
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- While the micro SIM is smaller than the mini SIM, its capacity for data and memory is exactly the same -- up to 128K, depending on your carrier. A SIM card always holds your phone number, when applicable, and links the device that holds it to your account with a service provider.