NEW YORK (TheStreet) -- T-Mobile is scheduled to announce its earnings results for the second quarter of 2015 before the market open on Thursday. Analysts are expecting a year-over-year decrease in earnings per share, but a year-over-year increase in revenue for the 2015 second quarter. T-Mobile has been forecast to post earnings of 18 cents per share on revenue of $7.94 billion for the second quarter of 2015. Last year, the company reported earnings of 48 cents per share on revenue of $7.19 billion for the second quarter. Bellevue, Wash.-based T-Mobile is a mobile communications provider with more than 55 million customers. The company added an additional 2.1 million customers in the second quarter of this year, according to its preliminary second quarter results. Shares of T-Mobile are up by 1.57% to $37.50 in afternoon trading on Wednesday. Separately, TheStreet Ratings team rates T-MOBILE US INC as a Buy with a ratings score of B-.