Nokia C5-03

Page 111
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(8 digits)
If not supplied with your SIM card, contact your service
provider.
IMEI number
(15 digits)
This is used to identify valid phones in the network. The
number can also be used to block, for example, stolen phones.
To view your IMEI number, dial *#06#.
Lock code (security
code)
(min. 4 digits or
characters)
This helps you protect your phone against unauthorised use.
You can set your phone to ask for the lock code that you
define.
Keep the code secret and in a safe place, separate from your
phone.
If you forget the code and your phone is locked, your phone
will require service. Additional charges may apply, and all the
personal data in your phone may be deleted.
For more information, contact a Nokia Care Point or your
phone dealer.
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:
•
Features that use Bluetooth connectivity, or allowing such features to run in the
background while using other features, increase the demand on battery power.
Deactivate Bluetooth connectivity when you do not need it.
•
Features that use a wireless LAN (WLAN), or allowing such features to run in the
background while using other features, increase the demand on battery power.
WLAN connectivity is deactivated 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 selected 
Packet data connection
 > 
When available
 in the 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 move to new
areas on the map, which increases the demand on battery power. You can prevent
the automatic download of new maps.
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