My device screen turns off
When you do not use your BlackBerry® device for a period of time, the screen turns off to conserve battery power.
To turn on the screen, click the trackpad or press a key.
My display changed
Depending on your theme, display options such as icons, fonts, and your Home screen background, might change when you switch themes.
Change the display font, 196
Use a picture as your device wallpaper, 114
No application opens when I press a Convenience key
Try the following:
• If you have not done so, assign an application to the key.
• Verify that you did not delete the application that you assigned to the key.
Display and keyboard