difference in sim cards
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SIM Card Types Commonly Found/Used SIM Cards. Mini SIM: This SIM card has been around for many years now and can be found on older smartphones or certain feature phones even today. The size of the SIM card is pretty big and if phones like the iPhone 3GS and Nexus 4 are some examples of the phones that relied on the mini SIM card.
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- The standard SIM is the most common SIM card used in mobile phones today. Measuring around 1” long by 0.6” wide it is the largest of the three SIM cards. – Buy standard Europe SIM card. The micro SIM is half the size of the standard SIM measuring around 0.6” long by 0.5” wide.
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SIM Subscriber Identity Module. A small smart card used in GSM and LTE phones. The SIM card contains a microchip that stores data that identifies the user to the network. In a sense, the SIM card is what links a phone to its phone number. The main data that performs this function is the IMSI, a long number stored in the SIM's electronic memory.
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- The short answer is, it's a Subscriber Identity Module, and it is a small circuit board which is placed in your iPhone (or any GSM phone) in order to identify it to your carrier. It's why you can swap SIMs in GSM phones and your phone number, voice, and data plans are swapped right along with it.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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Subscriber identity module It is also possible to store contact information on many SIM cards. SIM cards are always used on GSM phones; for CDMA phones, they are only needed for newer LTE-capable handsets. SIM cards can also be used in satellite phones, computers, or cameras. The SIM circuit is part of the function of a universal integrated circuit card (UICC) physical smart card, which is usually made of PVC with embedded contacts and semiconductors. SIM cards are transferable between different mobile devices.
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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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- The SIM (subscriber identity module) is a fundamental component of cellular phones. It also known as an integrated circuit card (ICC), which is a microcontroller-based access module. It is a physical entity and can be either a subscriber identity module (SIM) or a universal integrated circuit card (UICC). A SIM can be removed from a cellular handset and inserted into another; it allows users to port identity, personal information, and service between devices.
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SIM Cards Each SIM is internationally identified by its ICC-ID (Integrated Circuit Card ID). ICC-IDs are stored in the SIM card and can also be engraved or printed on the SIM card’s body during a process called personalization. The number is up to 18 digits long with an addition of a single “check digit” that is used for error detection.
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Nairaland Forum Differences Between Mini, Micro And Nano SIM Cards by bongolistik: 12:14pm On Sep 05, 2014. I know that up till now, many are still confused about the differences between Mini SIM cards, Micro SIM card and Nano SIM cards. With this little tutorial, you will be able to know their differences and get rid of that confusion from your head.
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Does a SIM Card Affect Signal? A SIM card contains information relevant to the mobile device, including the device’s phone number and the user’s account number, which identifies the phone to the wireless service provider. Once the identification has been made, the phone is allowed to access the provider’s network.
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Where is the SIM card located exactly? the SIM card is usually located under the battery, but it depends on the type of phone. It's a very small, square card (about the size of the top digit of your thumb) made of plastic with a metal square on its back. There's usually a plate on the back that you can open and the SIM card should be in there.
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FAQ: Swapping SIMs to save big on calls abroad Buying a SIM card when you get to London from a local operator, such as Orange, can offer even better deals. Orange offers a variety of service options for prepaid customers. In general, domestic calls range from 30 cents to 40 cents a minute, depending on the exchange rate.
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- An SD card stores data, while a SIM card can store data, be changed between different phones, and can change cell phone carriers with it.
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Where is the SIM card located exactly? the SIM card is usually located under the battery, but it depends on the type of phone. It's a very small, square card (about the size of the top digit of your thumb) made of plastic with a metal square on its back. Erica · 10 years ago.
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SIM Cards Because the SIM is just one of several applications running on the smart card, a given card could, in theory, contain multiple SIMs. This would allow multiple phone numbers or accounts to be accessed by a single UICC. This is seldom seen, though there is at least one 12-in-1. SIM card being advertised at present.
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CDMA vs. GSM: What's the Difference? It's much easier to swap phones on GSM networks, because GSM carriers put customer information on a removable SIM card. Take the card out, put it in a different phone, and the new phone now has your number. What's more, to be considered GSM, a carrier must accept any GSM-compliant phone.wo basic technologies in mobile phones, CDMA and GSM represent a gap you can't cross. They're the reason you can't use many AT&T phones on Verizon's network and vice versa.
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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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Subscriber identity module SIM cards can come in various data capacities, from 32 KB to at least 128 KB. All allow a maximum of 250 contacts to be stored on the SIM, but while the 32 KB has room for 33 Mobile Network Codes (MNCs) or network identifiers, the 64 KB version has room for 80 MNCs.
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SIM cards The SIM card number is linked to your personal phone number, so you can call, text, browse the web, and more from just about anywhere. You can easily transfer it into other phones, retaining your personalized service information. Retail T-Mobile phones comes with a SIM card in the box.If you need to replace your SIM card, you can buy a SIM starter kit. If you need help inserting a SIM card into your phone, you'll find guides and steps on the Phones and Devices page.IM card types. Different phones use different kinds of SIM cards. To find out what kind of SIM card your phone is designed for, view the Tech Specs for your phone.
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iPhone SIM Card An iPhone SIM card is a standard size card that looks similar to an SD card. When you subscribe to any GSM carrier, you will be provided with a SIM card that holds your cell phone information such as your phone number and can even store your contacts. In the US an iPhone data plan is required with any SIM card you get for the iPhone.
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What is the difference between a GSM and LTE SIM? A SIM card contains its unique serial number (ICCID), international mobile subscriber identity (IMSI) number, security authentication and ciphering information, temporary information related to the local network, a list of the services the user has access to, and two passwords: a personal identification number (PIN) for ordinary use, and a personal ...
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How Does a SIM Card Work? SIM cards are the most important part of a cell phone that runs on a GSM network. They enable the phone to receive signal from a mobile phone company.Many people who have phones that accept SIM cards find it extremely easy to simply swap out their SIM card for a new SIM card when in a different country.hen you open up the back of a phone that is equipped with a SIM card, you will see the card tucked into the phone. Usually, the card is tucked behind the battery. SIM cards are also great because they can be used with any handset that accepts them.
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Why Do Cellphones Need a SIM Card? 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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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.