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Features that use Bluetooth technology, or allowing
•
such features to run in the background while using
other features, increase the demand on battery
power. Deactivate Bluetooth technology when you do
not need it.
Features that use wireless LAN (WLAN), or allowing
•
such features to run in the background while using
other features, increase the demand on battery
power. WLAN on your Nokia device deactivates when
you are not trying to connect, not connected to an
access point, or not scanning for available networks.
To further reduce battery consumption, you can
specify that your device does not scan, or scans less
often, for available networks in the background.
If you have set
Packet data connection
•
available
in connection settings, and there is no
packet data coverage (GPRS), the device periodically
tries to establish a packet data connection. To prolong
the operating time of your device, select
connection
When
>
The Maps application downloads new map
•
information when you scroll to new areas on the map,
which increases the demand on battery power. You
can prevent the automatic download of new maps.
If the signal strength of the cellular network varies
•
much in your area, your device must scan for the
available network repeatedly. This increases the
demand on battery power.
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
Connectivity
Network
>
to
When
Packet data
needed.
Menu
Settings
>
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
Phone
Display
>
light sensor that observes lighting conditions and
adjusts the display brightness, in the display settings,
select
Light
Leaving applications running in the background
•
increases the demand on battery power. To close the
applications you are not using, if they are not
responding, select
go to the application using the menu key. Press and
hold the menu key to open the application, and select
Options
> Exit.
Free memory
To view how much space is available for different data
types, select
Menu
Many features of the device use memory to store data. The
device notifies you if the memory in different memory
locations is low.
To free memory, transfer data to a compatible memory
card (if available) or to a compatible computer.
To remove data you no longer need, use File manager or
open the respective application. You can remove the
following:
and
Messages in the folders in Messaging and retrieved e-
•
mail messages in the mailbox
Menu
Light
time-out. To adjust the
>
sensor.
Options
Show open
>
Applications
Office
>
>
Settings
and
>
apps., and
File
mgr..
>
11
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