Go to http://www.pandora.com on your phone's native web browser (this should throw up a BlackBerry splashscreen when the browser is launched).* Do not use a third-party browser such as Opera or Bolt.
You may have to change your emulation in your browser to BlackBerry:
Open the Browser -» then click the BlackBerry menu button -» Options -» Browser Configuration -» Browser Identification -» select BlackBerry -» Save
If you are on a Corporate BlackBerry service, also known as BES, and are having problems, then please check with your IT department for assistance.
You can confirm this by going to:
Manage Connections -» Services Status
Either beside or underneath BlackBerry Enterprise Server it will say whether or not you are connected to a BES server.
*This feature may not be available outside the U.S.