Resolved What're the difference between a t-mobile compatible & AT&T compatible ST sim card?

Discussion in 'iPhone' started by jackwills, Mar 4, 2013.

  1. jackwills, Mar 4, 2013
    Last edited: Apr 8, 2013

    jackwills macrumors regular

    jackwills

    Joined:
    Nov 13, 2012
    Location:
    New York, NY
    #1
    What are the difference between a t-mobile compatible & AT&T compatible ST sim card?
    I need one right now for my unlocked iPhone 5, been using AT&T compatible one, works great
    It broke, my phone wont read it anymore, need a new one
    There only T-mobile compatible available right now, will it work on my unlocked iPhone 5?
    Thanks
     
  2. Mrbobb macrumors 601

    Joined:
    Aug 27, 2012
    #2
    So AT&T and T-M have separate infrastructures (towers). So a T-M SIM will use T-M towers. AT&T is acknowledged as having better coverage and bandwidth of the two. However YOUR particular locale maybe well serviced by T-M, so u gotta do more research with your locale as variable.
     

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