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unlocked iphone 3g for alltel

I want to get an iphone. I have Alltel. If I get an unlocked iphone can I use it with my carrier? I've read a little bit of info about the unlocked iphones and they say they have sim cards that you can take out and use. How would this help me? Please help! I'm completely new to this stuff.

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In reply to: unlocked iphone 3g for alltel

The iPhone is not compatible w/ Alltel because they use CDMA and the iPhone operates on GSM. Think of it like the difference between a cassette tape player vs. a CD player.

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how about Verizon?

In reply to: not

would Verizon be compatible? If so, do you have to buy an unlocked version to switch the sim card?

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Same problem/incompatible

In reply to: how about Verizon?

Verizon wireless is also a CDMA carrier, hence the lack of SIM cards in their phones. Just pop over to for very basic info on the technologies/carriers. You would be better off using a non-3G iPhone on other carriers IMHO, since nearly everyone offers EDGE service.

Also, FWIW you won't be unlocking your subsidized 3G iPhone you bought in the U.S., but you can however pick up an unlocked version in some other countries. Do you really want to bother trying to use that phone on another carrier (such as T-Mobile), where it isnt' even compatible with the 3G/WCDMA frequencies (1700MHs) they're using in the U.S.(?)


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In reply to: Same problem/incompatible

thanks for the informations ...

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iPhone today

In reply to: hi

Don't forget that things have changed now that Verizon has bought Alltel and now has their own CDMA-based iPhone. The first post on this thread was started in November 2008.

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