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Close the applications you are not using
Press and hold the home key, swipe until the desired application is displayed, and select
.
Sounds, themes, and effects
• Mute unnecessary tones, such as keypad tones.
• Use wired headphones, rather than the loudspeaker.
• Change the length of the time-out period after which the device display switches
off.
Set the length of the time-out period
Select Menu > Settings and Phone > Display > Light time-out.
Activate a dark theme and wallpaper
Select Menu > Settings and Themes > General. To change the wallpaper, on the home
screen, select Options > Change wallpaper.
Deactivate background animation effects
Select Menu > Settings and Themes > General > Options > Theme effects > Off.
Decrease the brightness of the display
In the display settings, select Brightness.
Deactivate the Big clock screen saver
Select Menu > Settings and Themes > Screen saver > None.
Network use
• If you are listening to music or otherwise using your device, but do not want to
make or receive calls, activate the offline profile.
• Set your device to check for new mail less frequently.
• Use a Wi-Fi connection to connect to the internet, rather than a packet data (GPRS
or 3G) connection.
• If your device is set to use both GSM and 3G networks (dual mode), the device uses
more power when searching for the 3G network.
Set your device to use only the GSM network
Select Menu > Settings and Connectivity > Network > Network mode > GSM.
Basic use 31