AT&T BLUE SIM TO CINGULAR 3G SIM?

At 19 Mar 2007 10:50:17 -0700 [email protected] wrote:
> I have an old AT&T plan & AT&T blue SIM card. I want to use the new
> 3G cingular SIM for better speeds on my data plan! Anyway to do this
> WITHOUT changing my plan?

No. You need to stay with a blue legacy AT&T SIM to keep a legacy plan.

> I must emphasize that I don't want to
> upgrade ao any of the CINGULAR PLANS as I like my OLD AT&T PLAN.
> Please help!!!!

There's really no help to offer you. It's Cingular's network and
service, and they make the rules.

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On 20 Mar 2007 01:52:33 -0700, "Ryan Sinn" <[email protected]> wrote in
<[email protected]>:

>I've been very disappointed with Cingular non-3G network speeds...
>much slower than AT&T. About a quarter of the speed actually...
>30kbps-50kbps instead of 160kbps+

That's simply a matter of the "home" network and the comparative signal
strength in a given area, since both networks support the same EGPRS
speeds. It's a common misconception that handsets will pick the network
with the best signal -- they will actually prefer their home network as
long as the signal is "usable" even when the other network has a much
better signal. This difference will go away when the networks are fully
integrated

--
Best regards, SEE THE FAQ FOR CINGULAR WIRELESS AT
John Navas <http://en.wikibooks.org/wiki/Cingular_Wireless_FAQ>