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Posted by Roger L. Cauvin on September 26, 2005, 9:38 pm
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>
> I have a AT&T Motorola MPX200 flashed to Smartphone 2003
> unlocked and migrated to Cingular. My problem is the phone is
> still roaming on AT&T towers. When I search for other networks,
> the only two are AT&T and TMobile. I live in Dallas, why can't
> my phone see the Cingular network? Any tips?
Cingular generally operates on the 850 band, which the mpx200 hardware does
not support. Therefore, you will roam to other networks that are on bands
the phone supports. T-Mobile and AT&T are on the 1900 band, which the phone
supports. I have the same problem here in Austin when I use a Cingular SIM
card in my unlocked mpx200.
--
Roger L. Cauvin
nospam_roger@cauvin.org (omit the "nospam_" part)
Cauvin, Inc.
Product Management / Market Research
http://www.cauvin-inc.com
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