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    Default Samsung Galaxy S3 on Straight Talk

    Hi Experts,
    This is a very very much talked about topic. But mine is entirely different case.
    I have Verizon SGS3. But it's unlocked and can work on the AT&T 4G HSPA Frequency.
    Bought a Light Blue BYOP SIM. Cut it into Micro SIM Size and put in SGS3.
    Now, I browse different forums and try to enter APN SETTINGS.
    But cannot enter new APN Settings in menu, more settings, Mobile Networks, APN Settings. I don't know why.
    Next I bought APN Manager pro. Still no luck.
    Then downloaded HiAPN.
    Then I'm able to enter only first field.
    att.mvno
    Now I'm getting EDGE speeds or 2G speeds.

    How can I get 4G speeds???
  2. #2  

    Default Re: Samsung Galaxy S3 on Straight Talk

    You might look at this thread.
    Verizon S3 on AT&T network?
    Might help you.
  3. #3  
    howiesf's Avatar

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    Default Re: Samsung Galaxy S3 on Straight Talk

    Do you have an ATT SIM ? If so, here is what works for me, granted my S3 is an unlocked i747.

    APN -wap.tracfone
    Port - 80
    MMSC-
    MMS Proxy 66.209.11.32
    MMS Port 80
    MCC 310
    MNC 410

    That's it, and it has worked since Dec. However, lately I have been experiencing ye old WTF? inconsistent Data and some issues with calls . I called them yesterday about my issues and at first they said there have been changes to the APN but then they said "so,mething was not set correctly on your account. Today was so-so. I am seriously ready to just switch to RedPocket or AirVoice. Advantage of Prepay

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