Open Themes
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To change the look of the display for applications without their own theme, selectGeneral.
To change the general theme, select a theme from the list.
To add more themes to your device, select Download themes.
To preview a theme before applying it, select Options > Preview.
Some themes include effects. To activate or deactivate the effects, scroll to the theme, and select Options > Theme effects.
To change the theme for the Menu view or the home screen, or to modify the wallpaper or call image settings, scroll right.