galaxy s4 att unlocked phone not allowed mm#6General


  1. xolotj

    xolotj Member

    So I have this galaxy s4 att using with tmobile network, it worked flawless, then suddendly phone not allowed mm#6 message appeared and I dont get no signal, called att and they said imei is clean , anybody have an idea how I can fix this , att even gave me the unlock code for the sim card

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  2. amarie82

    amarie82 Guides Guide

    Does your data work? If not i would check your APN settings.
  3. xolotj

    xolotj Member

    Nothing works , no text messages, calls or internet
  4. amarie82

    amarie82 Guides Guide

    On unlocked phones sometimes you need to enter APN settings you can get those if you do a search on the phone.
  5. amarie82

    amarie82 Guides Guide

    I would call your carrier I did some research and apparently its could mean the phone has been blacklisted or reported lost or stolen!
  6. motoracer1486

    motoracer1486 Well-Known Member

    Where did you purchase the phone?
  7. xolotj

    xolotj Member

    I already contacted att and phone is not blacklisted
  8. amarie82

    amarie82 Guides Guide

    Have you called your carrier to see if its anything on there side

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