• Change the length of the time-out period after which the phone display switches
off.
Set the length of the time-out period
Select
> Settings and Phone > Display > Light time-out.
Activate a dark theme and wallpaper
Select
> Settings and Themes > General.
To change the wallpaper, on the home screen, select
> Change wallpaper.
Deactivate background animation effects
Select
> Settings and Themes > General > > Theme effects > Off.
Decrease the brightness of the display
Select
> Settings and Phone > Display > Brightness.
Deactivate the Big clock screen saver
Select
> Settings and Themes > Screen saver > None.
Network use
• If you are listening to music or otherwise using your phone, but do not want to
make or receive calls, activate the offline profile.
• Set your phone to check for new mail less frequently.
• Use a Wi-Fi connection to connect to the internet, rather than a mobile data (GPRS
or 3G) connection.
• If your phone is set to use both GSM and 3G networks (dual mode), the phone
uses more power when searching for the 3G network.
Set your phone to use only the GSM network
Swipe down from the notification area, and select the mobile network and Network
mode > GSM.
Deactivate Bluetooth when not needed
Swipe down from the notification area, and select
.
Stop your phone scanning for available Wi-Fi networks
Swipe down from the notification area, and select
.
Basic use 31