Nokia C2-01 - Manual (Page 12)

Basic use
Keypad lock
To prevent accidental keypresses, select Menu , and press * within 3.5 seconds to lock
the keypad.
To unlock the keypad, select Unlock , and press * within 1.5 seconds. If the security
keyguard is activated, enter the security code when requested.
To set the keypad to lock automatically after a defined length of time when the device
is not being used, select Menu > Settings > Phone > Automatic keyguard > On .
To answer a call when the keypad is locked, press the call key. When you end or reject
a call, the keypad locks automatically.
When the device or keypad is locked, calls may be possible to the official emergency
number programmed into your device.
Access codes
The security code helps to protect your device against unauthorized use. The preset
code is 12345. You can create and change the code, and set the device to request the
code. 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. 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.
The PIN code supplied with the SIM card protects the card against unauthorised use.
The PIN2 code supplied with some SIM cards is required to access certain services. If you
enter the PIN or PIN2 code incorrectly three times in succession, you are asked for the
PUK or PUK2 code. If you do not have them, contact your service provider.
The module PIN is required to access the information in the security module of your SIM
card. The signing PIN may be required for the digital signature. The restriction password
is required when using the call restriction service.
To set how your device uses the access codes and security settings, select
Menu >
Settings > Security .
PUK codes
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. If the
12 Basic use