The aggressive marketing strategy is effective! T-Mobile's Q2 user growth exceeds expectations and raises full-year performance guidance.

According to the financial news app Zhitong Finance, the latest financial report from T-Mobile US Inc. (TMUS.US), the second largest wireless carrier in the United States, shows that despite a difficult start to the year, the number of new customers in the second quarter far exceeded analysts' expectations. The company, headquartered in Bellevue, Washington, announced on Wednesday that it added 830,000 contract phone users in the quarter, significantly higher than Wall Street's expected 714,000.