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● If you have set Packet data connection to
When 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 Packet data connection >
When needed.
● 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.
See "Maps", p. 63.
● 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
UMTS 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.,
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