T-Mobile added 4.4 million customers in 2013 . Its `` UnCarrier '' approach targets customers of other carriers . Company still lost money , though : up to $ 650 2013 . It now covers 209 million people and is in 95 of the top 100 metro areas in the U.S . last quarter saw iPhone offer no-contract plans , add T-Mobile and expand network .
T-Mobile added 4.4 million customers in 2013 . Its `` UnCarrier '' approach targets customers of other carriers . Company still lost money , though : up to $ 650 2013 . last quarter saw iPhone offer no-contract plans , add T-Mobile and expand network .