network. To only use the GSM network, press ,
and select Tools > Settings > Phone >
Network > Network mode > GSM.
● The backlight of the display increases the demand
on battery power. In the display settings, you can
change the time-out after which the backlight is
switched off, and adjust the light sensor that
observes lighting conditions and adjusts the display
brightness. Press
, and select Tools >
Settings > General > Personalisation >
Display and Light time-out or Brightness.
● Leaving applications running in the background
increases the demand on battery power. To close
the applications you do not use, press and hold
, scroll to an application in the list, and press C.
Pressing C does not close Music player. To close Music
player, select it from the list and Options > Exit.
● To turn on the power save mode, press the power
key, and select Activate power saving. To turn off
the power save mode, 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 turned on.
Free memory
To view how much memory different data types
consume, press
, and select Tools > File mgr., the
desired memory, and Options > Details >
Memory.
To remove data you no longer need, use File manager
or go to the respective application. You can remove the
following:
● Messages in the folders in Messaging and retrieved
e-mail messages from 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 PC.
● Images and video clips in Photos. Back up the files
to a compatible PC using Nokia Nseries PC Suite.
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