The move, prompted by lack of demand from business customers, was originally reported in The Wall Street Journal and confirmed by a Sprint representative. Without Sprint's backing the PlayBook will have no support from a U.S. carrier. Neither AT&T nor Verizon have offered backing for PlayBook, but both support Apple's iPad 2.
[More from Mashable: The Making of iPad Head Girl [VIDEO]]
Although RIM has recently suffered because of a lack of demand for BlackBerry smartphones, Sprint's decision also comes as tablet PCs have failed to gain much traction against the iPad. In a sign that RIM's not the only one struggling to compete with Apple, Hewlett-Packard cut the price of itsTouchPad by $100 last week. That device had only been on the market for a month.