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How to Use an iPhone With a T-Mobile SIM Card
For the most part, Subscriber Identity Module (SIM) cards are universal throughout all cell phone carriers and providers. A SIM carries the...
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My iPhone Won't Read a SIM Card
An iPhone is still functional without a SIM card but it cannot make or receive calls nor can it use the 3G...
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Can I Use My SIM in an iPhone?
As of April 2011, Verizon Wireless and AT&T are the only two U.S. mobile providers to sell and provide support for the...
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I Got a New iPhone & My Old SIM Card Won't Work
In most cases, using a new iPhone with the SIM card you used with an old iPhone isn't a problem. If you...
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How to Use My iPhone With a Non-3G SIM Card
The iPhone is shipped with restrictions on both the operating system and the SIM card. For example, using an iPhone with a...
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Why Is My Netbook Not Recognizing My Phone?
Connecting a netbook to a mobile phone allows you to transfer information quickly. They are ideal portable companions but if your netbook...
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How to Use a Prepaid T-Mobile SIM Card With an iPhone
To use a SIM card that is not on the AT&T network with the Apple iPhone, you'll need to first unlock your...
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How to Get a Cell Phone to Recognize a SIM Card
A Subscriber Identity Module, commonly known as a SIM card, is a small programmed microchip that mobile phone carriers assign to cellular...
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How to Activate an iPhone 4 After a Restore
The iPhone 4 is the fourth generation of Apple's smartphone. Following a restore, you will need to reactivate your iPhone 4. The...
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How Do I Know My iPhone 4 Has an Unlocked SIM Card?
Use any of several factors to determine whether your iPhone 4 is unlocked or jailbroken for use with any carrier's SIM card....
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How to Register an iPhone With iTunes
After purchasing an iPhone from a local cellular provider or from the Apple Store, you need to register the device with iTunes,...
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How to Use FaceTime on an iPhone 4 Without a SIM Card
FaceTime is a cross-platform video calling program exclusive to Apple brand electronics. It can be used on some iPod Touch models, as...
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How to Put Your SIM Card in an IPhone
Your SIM card holds vital information suchas your cell phone number, your contact information and any text messages that you have saved...
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How to Upgrade Unlocked iPhone Software
An iPhone with unlocked software is a phone that can be used on any wireless network by simply placing that wireless provider's...
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How to Use a Cingular SIM Card With an iPhone and Windows
Cingular SIM cards are used to store your cell phone's contact information, and can be placed into a new or existing iPhone...
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How to Backup SIM Contacts
The SIM card within a cellular phone allows the user to store information in a device's phone and address books. With a...
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How to Get SIM Card Contacts on an iPhone
If you have recently purchased an iPhone, you'll likely want to transfer contacts from an old cell phone onto your new iPhone....
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How to Transfer Contacts From a SIM to My iPhone
To transfer old contacts from a subscriber identity module (SIM) that was in an older mobile phone to your iPhone, insert the...