The iPhone is made by Apple Inc. It comes in five generations: the 1G, 2G, 3G, 3GS and the most current, the iPhone 4. There is talk of an iPhone 5. The iPhone comes from the factory to use the GSM (Global System for Mobile Communications) band for communication on AT&T's network. Until the phone is activated with AT&T, it will display the emergency call screen. To activate it, you need to follow a few easy steps in Apple's iTunes software.
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Things you need
- Interface cable
- Computer with Apple's iTunes software installed
- AT&T SIM (Subscriber Identity Module) chip with subscription
- SIM removal tool
Start up your computer and load iTunes. If you do not have iTunes, it can be downloaded free from Apple.
Remove the SIM holder by inserting the SIM removal tool in the small hole on the holder. The holder is located on the top or bottom of the phone, depending on the model of iPhone.
Place the SIM chip in the holder and insert it into the phone.
Plug the interface cable into the iPhone and an available USB port on the computer. iTunes should recognise the iPhone.
If iTunes does not see the iPhone, it may be turned off. Press and hold the "ON" button located at the top of the phone for three seconds.
iTunes will display a series of instructions to set up and activate the iPhone. Follow these instructions exactly. The iPhone will no longer display the emergency call screen once activation is complete.
Tips and warnings
- Outside the United States, Apple sells iPhones that are unlocked, meaning that they can be used on other networks besides AT&T.; These phones do not need the AT&T; SIM to activate and operate within the U.S. on other carriers like T-Mobile.
- The SIM holder is delicate--do not force it into the phone. It will easily fit if oriented in the proper direction (small hole toward the left side of the phone).
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