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Old 08-06-2005, 02:12 PM   #1 (permalink)
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Default Cingular blackberry on an AT&T account

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I attempted to do a search on this question but didn't come up with anything...

I'm on the old AT&T GSM plan and I want to purchase a blackberry 7290. Is the 7290 unlocked for both AT&T and Cingular or only Cingular? I called Cingular customer care and they told me that Cingular uses a 64 bit SIM chip and AT&T used a 32bit chip so the new bb's won't work with the older chip. Is this true or are they just trying to get me to change my plan over to Cingular?