Smartphone/BlackBerry Plans: Smartphone/BlackBerry plans may ONLY be used with AT&T-certified RIM BlackBerry devices, and smartphones for the following purposes: (i) Internet browsing; (ii) email; and (iii) intranet access (including access to corporate intranets, email, and individual productivity applications like customer relationship management, sales force, and field service automation). Data Services sold for use with AT&T RIM BlackBerry devices, and smartphones may not be used with other devices, including but not limited to, Personal Computers, PC Data Cards and the like, either by tethering devices together, by SIM card transfer or any other means.