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Useful information
and set the device to request the code. Keep the new
code secret and in a safe place separate from your
device. If you forget the code and your device is locked,
your device will require service and additional charges
may apply. For more information, contact a Nokia Care
point or your device dealer.
Personal unblocking key (PUK) code and PUK2
●
code — These codes (8 digits) are required to change
a blocked PIN code or PIN2 code, respectively. If the
codes are not supplied with the SIM card, contact the
operator whose SIM card is in your device.
UPUK code — This code (8 digits) is required to change
●
a blocked UPIN code. If the code is not supplied with
the USIM card, contact the operator whose USIM card
is in your device.
Prolong battery life
Many features in your device increase the demand on
battery power and reduce the battery life time. To save
battery power, note the following:
Features that use Bluetooth technology, or allowing
●
such features to run in the background while using
other features, increase the demand on battery power.
Turn Bluetooth technology off when you do not need
it.
18
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 switches off 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.
LAN", p. 77.
When
Scan for networks
Never, the WLAN availability icon is not shown in the
standby mode. However, you can still manually scan
for available WLAN networks and connect to WLAN
networks as usual.
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.
"Maps", p. 60.
See "Wireless
is set to
to
When
Packet data
needed.
© 2008 Nokia. All rights reserved.
See
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