The carrier previously had a plan to extend its 4G LTE network to the skies in late 2015.
The company's growth was driven largely by connected devices like the connected car, but there was also a healthy mix of smartphone and tablet growth.
Under new CEO Marcelo Claure, Sprint is keeping the pressure on its larger competitors and going directly after AT&T.
Most of AT&T's customer gains in the fourth quarter came from its non-smartphone business.
AT&T's Randall Stephenson plans to lean on DirecTV relationships to strike new media deals.
The carrier previously charged 1 cent a minute to wireless and landline numbers in Mexico.
The $1.875 billion deal follows its acquisition of Iusacell and bid to expand its presence in Mexico.
Both carriers have similar programs that allow customers to carry unused data from one month to the next, but it's not as simple as it sounds. This is how these rollover data plans really work.
AT&T names veteran executive Thaddeus Arroyo CEO of the new Mexico City-based leadership team for Iusacell.
Subaru follows automakers General Motors and Audi in embracing AT&T's wireless service.