How do I upgrade to Pandora One on my iPhone?
Touch the arrow in the upper left of the “Now Playing” screen. Touch the “Settings” tab along the bottom edge of the screen, and scroll down the Settings page to the final section, Pandora One. Then touch the “Upgrade to Pandora One” button. The main benefit of Pandora One on the iPhone is the absence of advertising. For information about the other benefits of Pandora One, click here. For information about how to use the features of Pandora One on your computer when signed in with the same Pandora account you use on your iPhone, click here.