Prolong Battery Life - Nokia N86 User Manual

safe place separate from your device. If you forget the
code and your device is locked, your device will require
service. Additional charges may apply, and all the
personal data in your device may be deleted. 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
network service provider 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 network service provider
whose USIM card is in your device.
International Mobile Equipment Identity (IMEI)
●
number — This number (15 or 17 digits) is used to
identify valid devices on the GSM network. Devices that
are, for example, stolen, can be blocked from accessing
the network. The IMEI number for your device can be
found under the battery.

Prolong battery life

Many features in your device increase the demand on
battery power and reduce the battery lifetime. To save
battery power, note the following:
© 2010 Nokia. All rights reserved.
Features that use Bluetooth technology, or allowing
●
such features to run in the background while using
other features, increase the demand on battery power.
Deactivate Bluetooth technology 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 deactivates 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.
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
Tools Settings and
>
Packet data connection
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.
If the signal strength of the cellular network varies
●
much in your area, your device must scan for the
to When
Menu
Connection Packet data
>
When needed.
>
>
>
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