"Sporting a thin, sleek design, this amethyst-colored smartphone supports the broadest range of Sprint Power Vision Services ever offered on a BlackBerry device. Besides accessing core capabilities like calendar management, personal and corporate email, and viewing documents, customers can also take advantage of exclusive Sprint services like:" Does this mean that you have to subscribe to vision as well as blackberry to get the full functionality of this phone? Sorry , I'm new to Blackberry and Vision plans on Sprint.