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  1. #1
    Darkwriter
    Darkwriter is offline
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    I have both an AT&T and a T-mobile pre-pay phone. I've had the T-mobile phone for years, and the AT&T Go Phone is new. I tried to swap the cards but both phones reject the other cards. The AT&T phone asks for an UNLOCK CODE (10 trys and you're out!). The T-mobile phone just reads WRONG CARD.

    Right now, I want to use the T-mobile sim card (which works fine in the old T-mobile phone) in the AT&T phone.

    Eventually, I want to to buy a specific phone and use the T-mobile sim card in it also. (No new contracts!)

    Thank you for all good advice!



    See More: Different sim Cards/Pre-pay phones-Help, please!
    Last edited by Darkwriter; 01-08-2010 at 02:34 PM. Reason: typo




  2. #2
    tbaker
    tbaker is offline
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    Re: Different sim Cards/Pre-pay phones-Help, please!

    You need to unlock both phones if you want to interchange SIM cards.



  3. #3
    mathew.collazo
    mathew.collazo is offline
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    Re: Different sim Cards/Pre-pay phones-Help, please!

    for AT&T, T-Mobile(GSM Service Providers) if you want to switch the SIM cards the phone must be unlocked. for that you have to purchase an unlock code...



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