Nokia N95 8GB

Page 17
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avoid unauthorised use. The factory setting for
the lock code is 12345. To avoid unauthorised
use of your device, change the lock code. Keep
the new code secret and in a safe place separate
from your device. Try entering the code only
once, if you forget the code. If the code you
entered is not correct, contact a Nokia Care point
or your service provider for further instructions.
●
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. To prolong the operating time
of your device, turn the Bluetooth technology off
when you do not need it.
●
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 another 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. WLAN
switches off in between background scans. 
 When 
Scan for
networks
 is set to 
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
 to
When available
 in connection settings, and
there is no packet data coverage (GPRS), the
device periodically tries to establish a packet
data connection, which causes increased
demand on battery power. To prolong the
operating time of your device, select 
Packet
data connection
 > 
When needed
.
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