• Mute unnecessary tones, such as key tones.
• Use wired headphones, rather than the loudspeaker.
• Deactivate the background animation effects. Select Menu > Settings and
Themes > General > Options > Theme effects > Off.
• Deactivate the Big clock screen saver. Select Menu > Settings and Themes >
Screen saver > None.
• Activate a dark theme. Select Menu > Settings and Themes > General.
• Change the length of the time-out period after which the device display switches
off. Select Menu > Settings and Phone > Display > Light time-out. To adjust the
light sensor that observes lighting conditions and adjusts the display brightness, in
the display settings, select Light sensor.
• If the signal strength of the cellular network varies in your area, it increases the
demand on battery power.
• If the network mode is set to use both GSM and 3G (dual mode) networks, the device
searches for the 3G network. To set your device to use only the GSM network, select
Menu > Settings and Connectivity > Network > Network mode > GSM.
• Deactivate Bluetooth when not needed. Select Menu > Settings and
Connectivity > Bluetooth > Off.
• Stop your device from scanning for available WLANs in the background. Select
Menu > Settings
and Connectivity > WLAN > Options > Settings > Show
WLAN availability > Never.
• When connecting to the internet, use a WLAN connection, rather than a packet data
(GPRS or 3G) connection.
• Set the packet data connection to be established only when needed. Select
Menu > Settings and Connectivity > Admin. settings > Packet data > Packet
data connection > When needed.
• When you are listening to music, and do not want to make or receive calls, activate
the offline profile.
• Close the applications you are not using. Press and hold the menu key, swipe until
the desired application is displayed, and select
.
Personalisation
Profiles
About profiles
Select Menu > Settings and Profiles.
Waiting for a call but can't let your phone ring? Your device has various settings groups
called profiles, which you can personalise for different events and environments. You
can also create your own profiles.
30 Personalisation