T-Mobile US posted a profit that topped Wall Street estimates, logging its 11th-straight quarter of earnings growth while it awaits U.S. court approval of its $26.5 billion takeover of Sprint.

Fourth-quarter earnings, excluding some items, rose to 87 cents a share, on sales of $11.88 billion. Analysts predicted 83 cents in earnings and $11.8 billion in sales, according to an average of analysts estimates compiled by Bloomberg. T-Mobile expects to add 2.6 million to 3.6 million new regular monthly subscribers this year. The fastest-growing U.S. wireless carrier added 4.5 million customers last year.