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BlackBerry® devices that precede the BlackBerry® Pearl™ 8100 Series do not include a trackball. Instead, they include a trackwheel on the right side of the device. The trackwheel is the primary control for user navigation.

Users can

  • roll the trackwheel to move the cursor vertically
  • roll the trackwheel while pressing the Alt key to move the cursor horizontally
  • click the trackwheel to select objects or open the menu


  • Familiarize yourself with both the trackwheel and trackball navigation models, and verify that your application works well for both.


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