Your Nokia E51
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To change the theme used in the main menu, select the Menu view folder.
To change the theme for a particular application, select the
To change the background image for the standby mode, select the Wallpaper folder.
To select an image or write a text for the screen saver, select the Power saver folder.
Download a theme
To download a theme, select Options > Download > Download themes. Enter the link from which you want to download your theme. Once the theme is downloaded, you can preview, activate, or edit it.
To preview a theme, select Options > Preview. To start using the selected theme, select Options > Set.
Change audio themes
Select Menu > Tools > Themes > Audio theme. You can set sounds for various device events. The sounds can be tones, speech, or a combination of both. To change the current audio theme, select Active audio theme.
To set a sound for an event, open an event group, such as ringing tones, scroll to the desired event, and press the scroll key.
To play the sound before activating it, select Options > Play voice.
To create a new audio theme, select Options > Save theme.
To add
To set speech as the sound for an event, select Speech. Enter the desired text to the text field. The Speech option is not available if you have set Say caller's name on in the current profile.
To select a language for the speech, select Options > Set Speech language.
To use all the preset sounds in an event group, scroll to the group, and select Options > Activate sounds. To silence all the sounds in an event group, select Options > Deactivate sounds.
3-D ringing tones 
Select Menu > Media > 3-D ringing tones.
To enable
To change the
•Trajectory speed — Select the speed at which sound moves from one direction to another. This setting is not available for all effects.
