Does anyone here use an unlocked Att 4s with T-Mobile?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by mclld, Mar 21, 2014.

  1. mclld macrumors 68000

    Joined:
    Nov 6, 2012
    #1
    I bought my son a used 4s and want to try T-Mobile 30/month plan for him. The coverage in town shows to be excellent and I activated the sim but the signal is bad. I realized I didnt change any APN settings and hope this might be the issue. If you have them could you please post them?
     
  2. nivekr11 macrumors regular

    Joined:
    Aug 1, 2010
    #2
    Configure the internet settings under the Cellular Data section:

    APN: fast.t-mobile.com

    Username: <Leave Blank>
    Password: <Leave Blank>

    Configure the picture message settings under the MMS section:

    APN: fast.t-mobile.com
    Username: <Leave Blank>
    Password: <Leave Blank>
    MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
    MMS Proxy: <Leave Blank>
    MMS Max Message Size: 1048576
     
  3. mclld thread starter macrumors 68000

    Joined:
    Nov 6, 2012
  4. Applejuiced macrumors Westmere

    Applejuiced

    Joined:
    Apr 16, 2008
    Location:
    At the iPhone hacks section.
    #4
    Apn settings have nothing to do with signal or coverage area.
    It's just for data and mms settings.
    You will not be able to connect to 3G using the 4S, mostly 2G edge.
    The coverage maps you saw are not for the AT&T 4S.
    It's for tmobiles 3G capable devices.
    Sell it and get a Tmobile iPhone.
     
  5. JackieInCo macrumors 601

    Joined:
    Jul 18, 2013
    Location:
    Colorado
    #5
    I used an unlocked AT&T 4S on T-Mobile for about 7 months. The data coverage was great when I was at home but when driving around town, it spent a lot of time on edge. This sounds a lot like what you are experiencing and is probably normal with that iPhone model. If you get a 5S, I bet your experience improves.

    Finally in November, I got a T-Mobile 5S and now it spends almost all of it's time onLTE. Your area may be different of course.
     

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