backlight is switched 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.
• 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 Options > Show open apps., and
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 > 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.
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:
• 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 Photos. Back up the files to
a compatible computer.
14
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