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Discuss Switching to other US carriers not AT&T/T-Mobile at the General - Hackint0sh.org; Topic says all. Is it possible? I can select Cingular on another phone, but using ...
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    Respected Professional Array hquest's Avatar

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    Question Switching to other US carriers not AT&T/T-Mobile

    Topic says all.

    Is it possible? I can select Cingular on another phone, but using same SIM card on the iPhone, i can't.

    Thanks all.



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    It has to be GSM, so no sprint or verizon.

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    Respected Professional Array hquest's Avatar

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    Quote Originally Posted by rezznor View Post
    It has to be GSM, so no sprint or verizon.
    Yeah i know this. However, as i said, my old phone do shows Cingular on Carrier list, iPhone no. And i need to use Cingular as my roaming carrier to get Edge working with my regular carrier.

    Thanks anyways.

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    Respected Professional Array hquest's Avatar

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    i really *hate* to do this, but...

    bump

    no one?

    Are US users locked on AT&T / T-Mobile networks?

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    Quote Originally Posted by hquest View Post
    i really *hate* to do this, but...

    bump

    no one?

    Are US users locked on AT&T / T-Mobile networks?
    I don't know if im misunderstading the question...but aren't AT&T and Cingular the same company??


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    Respected Professional Array hquest's Avatar

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    Quote Originally Posted by dmx1141 View Post
    I don't know if im misunderstading the question...but aren't AT&T and Cingular the same company??
    Yes, they are. But still with 2 different networks over the air. Cingular in one frequency, AT&T in another.

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    i think i know what your asking. You want to use an old at&t card (aka cingular) in an iphone if im not mistaken. I dont think this is possible, as I tried to use a friends sim that had cingular written on it in my unlockable 1.1.2 to see if I could make a call and i couldnt. Im not sure if this is because if the FW, or it pertains to all phones.

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    Respected Professional Array hquest's Avatar

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    Quote Originally Posted by Tidal View Post
    i think i know what your asking. You want to use an old at&t card (aka cingular) in an iphone if im not mistaken. I dont think this is possible, as I tried to use a friends sim that had cingular written on it in my unlockable 1.1.2 to see if I could make a call and i couldnt. Im not sure if this is because if the FW, or it pertains to all phones.
    Hmmm, nope.

    I am in US but I'm not from US. My local carrier has agreements with Cingular to provide me EDGE support. I am using my SIM card from my foreign carrier, and using AT&T as roaming provider. And this is what i want to change, i would like to use Cingular as roaming provider -- then i can have both voice and EDGE. On AT&T (owner of ex-Cingular), my carrier has no agreement, so no EDGE.

 

 

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