The 8520 introduced several design shifts to appeal to a non-corporate audience:
| Action | How To | | :--- | :--- | | | Press any key or the trackball | | Move cursor | Roll the trackball | | Select | Press (click) the trackball | | Back / Cancel | Press the Back key (right of trackball) | | Menu | Press the BlackBerry key (left of trackball, 7 dots) | | End call / Home | Press the End/Power key | | Open app switcher | Hold the BlackBerry key | | Lock keyboard | Hold the * (star) key (or use standby from top button) |