Leaked Document Reveals This Spring's Major Smartphone Launch Dates

T-Mobile is gearing up to launch a slew of new handsets this spring, according to leaked documents discovered by TmoNews.

T-Mobile's roadmap includes a new T-Mobile Sonic 2.0 Mobile HotSpot LTE, the Samsung T599 Galaxy Exhibit, Galaxy S III LTE, and BlackBerry Z10.

According to the leaked document, T-Mobile plans to release all of those handsets on March 27. But there might be an exception with the Galaxy S III LTE, which is slated to launch on March 27 or April 3.