What are the System Requirements for the Slacker BlackBerry Player?
It is recommended that you use the Slacker Mobile application on BlackBerry phones with an Operating System version 4.5 or higher and have an unlimited data plan with your mobile carrier. While Slacker will work on version 4.3, you may notice some performance issues during playback (versions less than 4.3 are not supported). You will also need a memory card installed to cache stations on your BlackBerry, it is recommended that you have at least 500MB free for the best experience. Slacker is only supported within the United States.