To make your Convenience Key(s) truly convenient, you should change the functionality so that they bring up the application that you desire when pressed.
1. Go to the Home Screen on your Device.
2. Press the menu key to show all your applications.
3. Select Options.
4. Select Screen/Keyboard.
5. Highlight and select the option for the Left or Right Side Convenience Key.
6. Scroll down the list and select what you want the Convenience Key to open.
7. Press the menu key and select Save.