•
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. To set the device to use only the GSM network, select
Menu
>
Settings
and
Connectivity
>
Network
>
Network mode
>
GSM
.
•
The backlight of the display increases the demand on battery power. In the display
settings, you can adjust the display brightness and change the time-out period after
which the backlight is switched off. Select
Menu
>
Settings
and
Phone
>
Display
>
Brightness
or
Light time-out
.
•
Leaving applications running in the background increases the demand on battery
power. To access the applications you are not using, press and hold the menu key,
and select an application.
Increase available memory
Do you need more available device memory for new applications and content?
View how much space is available for different data types
Select
Menu
>
Applications
>
Office
>
File mgr.
.
Many features of the device use memory to store data. The device notifies you if the
memory in different memory locations is low.
Increase available 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:
•
Messages in the folders in Messaging and retrieved e-mail messages in the mailbox
•
Saved web pages
•
Contact information
•
Calendar notes
•
Applications shown in Application manager that you do not need
•
Installation files (.sis or .sisx) of applications you have installed. Transfer the
installation files to a compatible computer.
•
Images and video clips in Gallery. Back up the files to a compatible computer.
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