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sim card

i am etting my dads iphone 4 when he gets the iphone 5 nown i have useing the iphone 3GS do i need a new sim card

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Professor

Re: sim card

The 4 uses a micro-SIM, which is smaller than the SIM in the 3GS. While you can cut the 3GS SIM down and use it, it's probably best to just get a new micro-SIM to use in the 4.
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Master

Re: sim card

ATT will most likely give you a SIM for free if you are switching phones.
_____________________

For service or support questions including existing order status, call:
Customer Support: 1-800-331-0500

Information on iPhone unlocking can be found here by copying this link into your browser:
https://www.att.com/deviceunlock/client/en_US/
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