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Thread: Galaxy S3 on AT&T no MMS Help!

  1. #1
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    Galaxy S3 on AT&T no MMS Help!

    A friend of mine got a new Galaxy S3 and we put a ST ATT sim card in in it 3 months ago. I think everything was working fine for a while. Now he can't send or receive picture messages. Browser and other fucntions still work. I checked the APN settings. Even deleted it and created new ST APN using the settings on their site.

    Any ideas?


    Thanks

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    Quote Originally Posted by labjr View Post
    A friend of mine got a new Galaxy S3 and we put a ST ATT sim card in in it 3 months ago. I think everything was working fine for a while. Now he can't send or receive picture messages. Browser and other fucntions still work. I checked the APN settings. Even deleted it and created new ST APN using the settings on their site.

    Any ideas?


    Thanks
    might try tweeker app.it uses wifi to set up your apn.

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    Re: Galaxy S3 on AT&T no MMS Help!

    I have 2 apns on my gs3. One for data and the other for mms. But even with all in one apn it worked just fine.

    Sent from my t999 with ST on AT&T network.
    neXus 4 | DBrand White Carbon Fiber Skin | Ringke Fusion Case | iSmooth Screen Protector | Straight Talk AT&T Sim
    Titanium Galaxy SIII T999 | Body Glove ShockSuit Case | iSmooth Screen Protector | Straight Talk AT&T Sim

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    Quote Originally Posted by 1SLOW4G View Post
    I have 2 apns on my gs3. One for data and the other for mms. But even with all in one apn it worked just fine.

    Sent from my t999 with ST on AT&T network.
    Did you use the APN settings on ST web site?

    I don't know why it stopped working. Problem is, I refer people to ST. But every time they have a problem, I get a phone call.

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    Re: Galaxy S3 on AT&T no MMS Help!

    Quote Originally Posted by labjr View Post
    Did you use the APN settings on ST web site?

    I don't know why it stopped working. Problem is, I refer people to ST. But every time they have a problem, I get a phone call.
    possible defective sim? try sim in another phone?

    Sent from my Nexus 4 using HowardForums

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    Re: Galaxy S3 on AT&T no MMS Help!

    This is what I'm using. Everything works for me.

    Name: StraightTalk ATT
    APN: att.mvno
    MMSC: http://mmsc.cingular.com
    MMS proxy: 66.209.11.33
    MMS port: 80
    MCC: 310
    MNC: 410
    APN type: default,supl,mms (no spaces)

    Sent from my SAMSUNG-SGH-I747 using HowardForums

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    is he using handcent sms? I have an S3 with ST as well and I also use handcent sms messaging app and mms randomly wont work. It will work for some people but not for others. if he does use this app then I hear its a problem with the app.

    if hes not using that, id try just toggling data on and off and see if that fixes it

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    I believe he's using whatever comes with the AT&T unlocked version of the phone. Is there any other settings on the phone, other than the APN, which affect the MMS?

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