T - Mobile added 4.4 million subscribers in 2013 . Its ` ` UnCarrier '' approach targets customers of other brands . `` That 's not something we 're going to get into anymore . Company still makes money , though : $ 100 million last year . 2013 saw T - Mobile offer no - contract service , add services and expand network .
T - Mobile added 4.4 million subscribers in 2013 . Its ` ` UnCarrier '' approach targets customers of other brands . Company still makes money , though : $ 100 million last year . 2013 saw T - Mobile offer no - contract service , add services and expand network .