1. kookie00's Avatar
    Does anyone know the correct settings for their ATT sim card?

    I tried their online instructions and rebooted, but am still not able to receive data.
    09-25-2015 12:15 PM
  2. B. Diddy's Avatar
    09-25-2015 01:40 PM
  3. kookie00's Avatar
    In case anyone has the same problems, the following settings worked for me, although I have yet to get LTE coverage
    Field Smartphone Settings
    Name straight talk
    APN wap.tracfone
    Proxy leave blank
    Port 8080
    MMSC h**p://mms.tracfone.com (Note replace ** with tt)
    MMS Proxy leave blank
    MMS Port leave blank
    09-25-2015 06:23 PM
  4. B. Diddy's Avatar
    Which exact model number do you have? There's an Indian version (XT1550) that wouldn't be compatible with AT&T's LTE bands (which are 2, 4, 5, and 17, https://forums.att.com/t5/Phone-Devi...s/td-p/4067288).
    09-25-2015 07:47 PM
  5. kookie00's Avatar
    Still haven't received LTE service. I have a US model XT1540.
    09-29-2015 05:36 PM
  6. isdaako's Avatar
    Try turning off WiFi.
    09-30-2015 07:04 AM
  7. bafare's Avatar
    Just move to Cricket. I used to have ATT straight talk and had problems with mms on both Android and ios. With ATT Cricket, I never experience any problems. Even my step dad had problems with straight talk and his Android phone. I found out from other straight talk users that straight talk had some sore of problems and they experienced the same stuff. A few night a week, the service used to stop after midnight and texts sometimes didn't get delivered.

    Posted via the Android Central App on Moto X 2014/Moto G3/Moto G1/Lenovo Tab S8/ Lenovo Yoga 11 on $35 Cricket wireless plan.
    10-01-2015 02:48 PM

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