John Legere T-Mobile
T-Mobile reportedly added more than 2.1 million users in Q2 2015 and is now offering free roaming services to customers in Canada and Mexico. Pictured: T-Mobile President and CEO John Legere speaks at a news conference at the 2013 International CES in Las Vegas, Jan. 8, 2013. David Becker/Getty Images

The most recent earnings of Sprint reveal that it has been dethroned by T-Mobile become the third largest carrier in the United States. T-Mobile now has more subscribers than Sprint.

The latest quarterly earnings report of Sprint states it has added 675,000 new subscribers. However, T-Mobile has added a whopping 2 million new customers to its network and has thereby gained 58.9 million customers, whereas Sprint has 57.7 million users.

Even thoughtSprint has fallen to fourth place, it only lost 12,000 post-paid customers, compared to 620,000 customers that were lost in the same quarter of 2014. It recorded a low customer loss rate of 1.56 percent, compared to a 2.06 percent rate in the same period of last year, Recode reported.

Gizmodo states that since John Legere became the CEO of T-Mobile in 2012, the company has focused on offering services that are unavailable from other U.S. carriers. Some of the services offered by T-Mobile include free streaming music, data rollover and highly efficient mobile LTE service.

A report from Tmo News states that the creator of the Speedtest app, Ookla has revealed that T-Mobile is offering "the fastest mobile network" in the U.S. T-Mobile’s 4G LTE connectivity offers an average download speed of 19.62 Mbps and the average upload speed of 9.90 Mbps.

The second best carrier in offering 4G LTE connection in the U.S. is Verizon with an average download and upload speeds of 18.52 Mbps and 7.27 Mbps, respectively. AT&T sits in the third place, with an average of 14.61 Mbps download speeds and 6.04 Mbps upload speeds on 4G LTE.

Sprint finished fourth with media 4G LTE download speeds of 10.44 Mbps and upload speeds of 4.12 Mbps. In order to reward T-Mobile as the fastest mobile network in the U.S., Ookla carried out 5 million speed tests on 4G LTE connection across the four leading carriers in the country. It also claims that T-Mobile offers the strongest 4G LTE connectivity in in the U.S. Northeast and West.