(Telecompaper) T-Mobile US reported fourth-quarter revenues up 19.4 percent year-over-year and service revenues in the quarter grew 13.6 percent. Adjusted EBITDA increased 41.3 percent to USD 1.8 billion, and the adjusted EBITDA margin rose to 30 percent from 24 percent the prior year. Cash capital expenditures totaled USD 1.3 billion, up from USD 0.9 billion a year ago. T-Mobile ended the quarter with more than 55 million total customers. In the fourth quarter, T-Mobile added 2.1 million net customers and for the full-year added 8.3 million net customers, an 89 percent increase from the previous year. Fourth-quarter branded postpaid net customer additions were 1.3 million, including more than 1.0 million phone net customer additions and 239,000 mobile broadband net customer additions.