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by Ryan Milton on July 14th, 2005

Ryan Milton

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I have the AT&T service and it's corresponding SIM card. Can this same card work on a new, advanced phone, or do I have to get a new phone/plan as Cingular tells me?

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Answers. 1 helpful answer below.

  • by saint1959 on July 15th, 2005

    saint1959

    You only have to get a new phone/plan if you want to buy a phone at the Cingular store. But you can use your AT&T SIM card in any "unlocked" GSM phone. You can find a wide selection of unlocked phones on eBay. A phone that is unlocked means that it will work with ANY GSM carrier, including AT&T, T-Mobile, and Cingular. Simply put your AT&T SIM in an unlocked phone and you will be set to go. The other nice part is if you ever decide to switch carriers to another GSM provider, you can keep the same phone if you want, or if you get a new phone free, you can keep your existing phone as a backup.

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