Prolong Battery Life - Nokia C5-03 User Manual

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PUK or PUK2 code
(8 digits)
IMEI number
(15 digits)
Lock code (security
code)
(min. 4 digits or
characters)
The personal unblocking key (PUK) code and the universal personal unblocking key
(UPUK) code (8 digits) are required to change a blocked PIN code and UPIN code,
respectively. The PUK2 code (8 digits) is required to change a blocked PIN2 code. These
codes are not supplied with the SIM card. Contact your local service provider for the
codes.

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 Wi-Fi, or allowing such features to run in the background while
•
using other features, increase the demand on battery power. Wi-Fi 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
If not supplied with your SIM card or you forget the codes,
contact your service provider.
If you enter the code incorrectly three times in a row, you need
to unblock the code with the PUK or PUK2 code.
These are required to unblock a PIN or PIN2 code.
If not supplied with your SIM card, contact your service provider.
This is used to identify valid devices in the network. The number
can also be used to block, for example, stolen devices.
To view your IMEI number, dial *#06#.
This protects your device against unauthorized use.
You can set your device to ask for the lock code that you define.
Keep the 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. 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.