How do I sign out of my Pandora account 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 touch “Sign out…” at the top of the screen, then confirm you want to “Sign out.” IMPORTANT NOTE: You should always sign out of Pandora before you sell, return or loan your iPhone to anyone, as wiping the iPhone or changing your Pandora password may not break the association between your account and that device.