T-Mobile US (TMUS) reported Q2 earnings of $2.99 per diluted share, up from $2.84 a year earlier.
Analysts polled by FactSet expected $2.59.
Revenue for the quarter ended June 30 rose to $22.79 billion, up from $21.13 billion a year earlier.
Analysts polled by FactSet expected $22.95 billion.