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Thread: Can I install the Straight Talk SIM card for AT&T in my unlocked non-AT&T GSM phone?

  1. #1
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    Can I install the Straight Talk SIM card for AT&T in my unlocked non-AT&T GSM phone?

    Straight talk offers a number of SIM cards. I have an unlocked international Galaxy (not AT&T). Can I install the Straight Talk AT&T SIM card into an international unlocked phone? The phone has HSDPA/HSUPA Will I enjoy AT&T's 3G + downloading (I think ATT calls it 4G)?

    Thanks

    Terry

  2. #2
    Join Date
    Feb 2011
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    Samsung Captivate
    Samsung Captivate
    Samsung 455C
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    I would check if the phone supports the 3g frequencies for AT&T. They use 850mhz and 1900mhz. I know for a fact that the edge will work (2g) but it's like 20Kb/s max.

    Sent from my SAMSUNG-SGH-I997 using Tapatalk 2
    Last edited by MrBooMY; 05-25-2012 at 08:17 AM.

  3. #3
    Join Date
    Feb 2003
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    OH
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    iPhone 4S 16GB Black
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    As long as the phone supports 850 and 1900Mhz, it should work and you should get the HSPA+ network.
    Straight Talk unlimited everything plan for $45

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