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Frequently Asked Questions

If I travel to multiple countries, will I require more than one SIM card?

To better serve you
No, we offer the World Prepaid Travel SIM card that has access to multiple networks worldwide. There is no need to purchase multiple SIM cards when traveling to multiple countries.
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What is a SIM Card?

FAQ| Frequently Asked Questions On Cell Phone and Cell Phone...
Ordinary cell phone service works so that the unique serial number in your phone (its ESN) is used by the cell phone service provider to identify who you are. The wireless service 'knows' that a particular phone's serial number is your phone and knows to send phone calls to that phone when someone dials your phone number. A GSM phone is not directly linked to you. Instead, it has a removable account card, called a SIM (subscriber information module) and this SIM has a unique serial number on it.
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What countries do not require a Visa to travel to Brazil?

Frequently Asked Questions - Booking, Brazil Travel, Visa an...
of January, 2005, the following countries do not require a visa to travel to Brazil . (Please note that Visa requirements change very frequently so please contact your local Brazilian consulate or embassy to be on the safe side.
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In which countries can I make calls with my Mobistar SIM card?

The list of places where you can make and receive calls is constantly growing. Check our web site at www.mobistar.be to see if your destination abroad is included in the list, and to consult the roaming possibilities. NB: The rates given on our web site are valid for Optimum pricing plans and include VAT. Your company has probably concluded a company contract with Mobistar that includes special rates for a list of foreign countries.
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I am travelling to other countries and may change my mobile or my SIM card, will 2Mela still work?

Mela - Send your message - Mobile Business at work.
If you change your mobile phone you can install 2Mela on another mobile, login and all your contacts will still be available. If you change your SIM card but use your mobile this is not a problem, as long as you are activated for GRPS on the new network you will still be able to use 2Mela AND all your contacts and messages will still be available for viewing.
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Can I roaming in other countries with my country-specific SIM card?

To better serve you
Some country-specific SIM cards offer roaming capabilities. However, there may be some dialing restrictions.
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Once in Belgium, can I travel to other European countries?

Vesalius College - Study Abroad FAQ Inbound
Of course! In fact, we strongly encourage you to take advantage of long weekends and breaks (unless you have a big paper due!) to see as much of Europe as possible! However, upon your arrival in Brussels, you must immediately register with the Commune at which you are residing (or at least have started the registration procedure and have obtained documentation proving your registration request) prior to initiating your travels.
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My SIM card is blocked and I require my PUK number. What is this number and where do I find it?

Frequently Asked Questions - Smartcom
If your PIN code number has been entered into your phone incorrectly more than 3 times, your SIM card will automatically be blocked. You will require the personal unblocking code (PUK number) to unblock your SIM card. Your personal PUK number is supplied in your SIM card connector pack. If you have misplaced the connector pack, please fax a signed request to Smartcom’s Customer Service on (011) 507 4650 and your relevant PUK number will be supplied to you.
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Will I require a new SIM card if I remain with my Service Provider, but move my Network Operator?

Nashua Mobile Portal :: Portability FAQ's :: publi...
This is also known as Off-net porting as you will be moving Network Operators. Yes, you will require a new SIM card as SIM cards are Network specific.
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Will I require a new SIM card if I remain with my Network Operator, but move my Service Provider?

Nashua Mobile Portal :: Portability FAQ's :: publi...
You will require a new SIM card. It will simply be deactivated on the Donor Network Operator and reactivated on the Recipient Network Operator.
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Where can I get a SIM card that will work in the country that I travel too?

globalunlock.com - Frequently Asked Questions
You can easily buy a foreign SIM Card from a local service provider in the country that you are traveling too. For a complete list of GSM network providers around the world, please click here. Many times, buying a SIM Card from an local cell phone provider is not the easiest way to get a foreign SIM. When you travel, you do not want to always have to find a cell phone store in order to buy a foreign SIM, in the case where they speak a different language, and communication is not easy.
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To better serve you
A SIM (Subscriber Identity Module) card is the heart of the GSM cell phone. It is a small chip, like the size of a dime. It is located behind the battery of most popular phones. See below "How to install a SIM card?" question. It carries vital information such as the phone number, the carrier that supplies it and accordingly the rates you will pay when placing or in some cases when receiving phone calls.
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O2 GSM prepaid cell phone FAQ
SIM stands for Subscriber Identity Module. A SIM card is a small "smart card" for GSM/GPRS mobile phones that contains your personal account profile as well as saves important information (i.e. network information, account services, your mobile phone number, stored telephone numbers, SMS messages and more). The SIM card must be inserted in the handset in order for it to operate.
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Customer Support | FAQs | SIM Cards
The acronym SIM means, Subscriber Identification Module. The SIM card is a chip that can be found in the back of the phones, underneath the battery. The SIM card contains all stored phonebook entries and service provider information.
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Autopage
Yes â?" it is possible to have more than one SIM card. Some people, for instance, use one in one cellular telephone when out and about and another in their car, yet have one number for both. It is also possible to have one SIM card and multiple phones, as the SIM card can be easily removed and transferred to any phone. Some phones are locked on to a particular Network, so ensure that your SIM card works in a new phone before buying it.
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Information Systems Designated Procurement: Hardware
A SIM card is the Subscriber Identity Module. It provides between 16 and 64 kb of memory which is used to provide your phone number, and to store others' phone numbers, SMS messages and other information. It can be moved from device to device (assuming the same carrier) so you can keep your phone number. You need the SIM card to send and receive email (and other data) as well as make and receive telephone calls. The SIM card is not used on all networks.
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BSNL Portal || FAQs
A SIM Card is nothing but a small pre-programmed chip, which is inserted into the mobile handset, and it contains subscriber information that facilitates interaction between the subscriber and the mobile network
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SearsConnect
A sim card, also referred to as a smart card is necessary for the operation of Global Standard for Mobile (GSM) phones. It stores your service information and can be used to store your phone book entries. The sim card comes pre-inserted and pre-activated with your new SearsConnect wireless phone.
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m0biles.com - FAQ
GSM phones use Subscriber Identity Module smart cards containing user account info. After plugging in SIM cards GSM phones become automatically programmed with user info. This means SIM cards can be programmed to display customized menus for individual services. Your SIM Card is basically the brain of any mobile device. It stores all information for you and your supplier and without one your phone wont work.
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Simply Connect - FAQ
A sim card, also referred to as a smart card, is necessary for the operation of GSM phones. It stores your service information and can be used to store your phone book entries. The sim card comes pre-inserted and pre-activated with your new SimplyConnect wireless phone.
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GSM Service-TriBand Roaming FAQs
The SIM (Subscriber Identity Module) card also known as a "smart chip" is basically the "brain" of the phone, providing cellular service as well as many other functions including call log, voice mail and SMS and GPRS (internet connection standards). SIM cards are the size of a credit card but they have a pop-out chip about the size of a postage stamp which fits into all modern GSM phones.
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Nokia Flash Reverse Electronic Engineering - FAQ: NOKIAFREE ...
A SIM card is a "Subscriber Identification Module" card, a small board containing a chip which holds your phone number and also some memory for use as a phone book or SMS bank. There are 16k and 32k SIM's around which have different sizes of memory available. A GSM-phone won't work without a SIM card, except emergency calls to 911, 112 etc... depending on countries.
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Services & Solutions
SIM stands for "Subscriber Identity Module." It is also known as a "smart card." A SIM card is the physical item that contains all necessary information for uniquely identifying a subscriber.
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Services FAQ
A SIM card is nothing but a small pre-programmed chip, which is inserted into the mobile handset, and it contains subscriber information that facilitates interaction between the subscriber and the mobile network" Any standard GSM handset. At present services will be available in 900MHz range. In future 1800MHz range will also be available in major cities / towns. No.The handset has to be procured by the customer as per his choice from the market.
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MoreMobility - FAQ
A sim card, also referred to as a smart card is necessary for the operation of GSM phones. It stores your service information and can be used to stored your phone book entries. The sim card comes pre-inserted and pre-activated with your new MoreMobility wireless phone.
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Digicell... Digital Cellular Phone Servie In Belize
The SIM is a microchip that is inserted inside the battery compartment of the GSM phones. This is an advantage from several viewpoints. The SIM contains all the necessary information such that you can use any GSM phone without complicated re-programming. Your network profile and your phone directory (among other information) are stored on the SIM itself. This adds a measure of security to the system as well as portability. To change phones, you simply place your SIM in the new phone.
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Skyphonics.com : Your PCS Source
A sim Card is a small electronic chip which contains your mobile number, phonebook, account information and provisioning. It's placed in a slot found on the cellular device, usually under the battery.
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Prepaid SIM Card Buyer's Guide
The SIM (Subscriber Identification Module or Subscriber Identity Module) card - a.k.a. "smart card" - holds all of a subscriber's personal information and phone settings. In essence, it is the subscriber's authorization to use the network. It also holds the phone number, personal security key and other data necessary for the handset to function. The card can be switched from phone to phone, letting the new phone receive all calls to the subscriber's number.
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phone unlocking faq
A sim card is a small plastic card with a chip on one side which is inserted into a mobile phone (usually behind the battery) and contains network and phone number details. It is also possible to store data such as phonebooks and SMS (text) messages on the sim card. All of the essential information about a user's mobile account is held on the sim card, therefore you can use your sim card in another person's phone to make and recieve calls and messages and it will be billed to you as normal.
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