Possible answer to SOME of the AT&T gsm problems

[Adam Krikstone]

850Mhz wasn't approved by the FCC:
http://www.phonescoop.com/phones/fcc_query.php?gc=EUN&pc=GTA01BV4

If they are shipping a quad band, it is currently illegal in the US.  
That may have something to do with it.


Benjamin Flanagin wrote:
>
> I started out with a 73000 O 4021 G3 sim card from cingular witch would
> not connect to the at&t network in my area. There are a few people that
> have gotten this card to work. Using the list on the wiki I purchased a
> known good sim [model number 71234 O 4022]. The phone will now return
> the proper information to all at+ commands but is still rejected by the
> at&t network. Talking to one of there support personal I was informed
> that my area only supports 850mhz gsm. They also informed me that my
> phone only supports 900-1900 mhz how that know that Im not sure.
>
> Is there a way to manually set the gsm modem to 850 mhz? Shouldn't it
> auto detect all networks not just 900 and above?
>
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