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 WLAN 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
.
Deactivate Bluetooth when not needed
Select
Menu
>
Settings
and
Connectivity
>
Bluetooth
>
Bluetooth
>
Off
.
Stop your device scanning for available WLANs
Select
Menu
>
Settings
and
Connectivity
>
WLAN
>
Options
>
Settings
>
Show
WLAN availability
>
Never
.
Establish a packet data (3G or GPRS) connection only when needed
Select
Menu
>
Settings
and
Connectivity
>
Admin. settings
>
Packet data
>
Packet
data connection
>
When needed
.
If your device stops responding
Reboot your device. Press and hold the power key for about 8 seconds. The device
vibrates three times and switches off. To switch your device on again, press the power
key .
No content, such as contacts or messages, is deleted.
Basic use 31