How did AT&T, Verizon Wireless, Sprint and T-Mobile perform in Q4 2014?

With the fourth-quarter earnings season coming to a close, it's time to take a look at how the nation's top wireless carriers such as AT&T (NYSE: T), Verizon Wireless (NYSE: VZ), Sprint (NYSE: S) and T-Mobile US (NYSE:TMUS) fared. Conducted through a partnership with research firm Strategy Analytics, the FierceWireless team is taking a look at all of the major metrics, including churn, ARPU and revenue.

One of the interesting highlights of the report is it takes into account the changing nature of the industry players that's happened over the past two years. T-Mobile completed its acquisition of MetroPCS while Sprint assumed control of Clearwire in 2013. Later in 2014, AT&T closed its acquisition in Leap Wireless and Cincinnati Bell announced its intention to sell off its wireless business to focus more of its attention on growing its Fioptics wireline broadband business segment.

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