Prolong battery lifeIf it seems you're always looking for acharger, there are steps you can take toreduce the power consumption of yourphone.• Always charge the battery fully.• When power saving mode isactivated, phone settings, such asNetwork mode and the screen saver,are optimized.Activate power saving modePress the power key , and selectActivate power saving. To deactivatepower saving mode, press the power key, and select Deactivate power saving.Close the applications you are not usingPress and hold the menu key, swipe untilthe desired application is displayed, andselect .Sounds, themes, and effects• Mute unnecessary tones, such askeypad tones.• Use wired headphones, rather thanthe loudspeaker.• Change the length of the time-outperiod after which the phone displayswitches off.Set the length of the time-out periodSelect Menu > Help & Settings >Settings and Phone > Display > Lighttime-out.Activate a dark theme and wallpaperSelect Menu > Help & Settings >Settings and Themes > General.To change the wallpaper, on the homescreen, select > Change wallpaper.Deactivate background animationeffectsSelect Menu > Help & Settings >Settings and Themes > General > >Theme effects > Off.Decrease the brightness of the displaySelect Menu > Help & Settings >Settings and Phone > Display >Brightness.Deactivate the Big clock screen saverSelect Menu > Help & Settings >Settings and Themes > Screen saver >None.Network use• If you are listening to music orotherwise using your phone, but donot want to make or receive calls,activate the offline profile.• Set your phone to check for new mailless frequently.• Use a Wi-Fi connection to connect tothe internet, rather than a mobiledata (GPRS or 3G) connection.• If your phone is set to use both GSMand 3G networks (dual mode), thephone uses more power whensearching for the 3G network.Set your phone to use only the GSMnetworkSwipe down from the notification area,and select the mobile network andNetwork mode > GSM.Deactivate Bluetooth when not neededSwipe down from the notification area,and select .Basic use 19