If the network mode is set to dual
mode in the network settings, the
device searches for the 3G network.
You can set the device to use only
the GSM network. To use only the
GSM network, select Menu > Ctrl.
panel > Settings and Phone >
Network > Network mode >
GSM.
• The backlight of the display
increases the demand on battery
power. In the display settings, you
can change the length of the time-
out period after which the backlight
is switched off. Select Menu > Ctrl.
panel > Settings and General >
Personalisation > 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.
• Leaving applications running in the
background increases the demand
on battery power. To close the
applications you are not using,
press and hold the menu key, scroll
to the application, and press the
backspace key.
• To save power, activate the power
save mode. Press the power key,
and select Activate power saving.
To deactivate it, press the power
key, and select Deactivate power
saving. You may not be able to
change the settings of certain
applications when the power save
mode is activated.
Free memory
To view how much memory is available
for different data types, select Menu >
Applications > File mgr..
Many features of the device use memory
to store data. The device notifies you if
available memory is low.
To free memory, transfer data to an
alternative memory (if available) or
compatible computer.
To remove data you no longer need, use
File manager or the respective
application. You can remove the
following:
• Messages in the folders in
Messaging and retrieved e-mail
messages from the mailbox
104 Find help
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General
Weight and Dimensions
