22 Copyright © 2008 Nokia. All rights reserved.
Your phone
If you enter an incorrect lock code five times in succession, 
the device ignores further entries of the code. Wait for 5 
minutes, and enter the code again.
When the device or keypad is locked, calls may be possible 
to the official emergency number programmed into your 
device.
PIN codes
The personal identification number (PIN) code and the 
universal personal identification number (UPIN) code (4 to 
8 digits) help to protect your SIM card against 
unauthorized use. See "Security", p. 77. The PIN code is 
usually supplied with the SIM card.
The PIN2 code (4 to 8 digits) may be supplied with the SIM 
card and is required for some functions.
The module PIN is required to access the information in the 
security module. The module PIN is supplied with the SIM 
card if the SIM card has a security module in it.
The signing PIN is required for the digital signature. The 
signing PIN is supplied with the SIM card if the SIM card 
has a security module in it.
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 is required to change a blocked PIN2 code.
If the codes are not supplied with the SIM card, contact 
your local service provider for the codes.
Barring password
The barring password (4 digits) is required when using Call 
barring. See "Call barring", p. 81. You can obtain the 
password from your service provider.
If you enter an incorrect barring password three times in 
succession, the password is blocked. Contact your service 
provider.
My own key
To configure the my own key to open applications such as 
the message reader when pressing the key, select Menu > 
Settings > Phone sett. > General > My own key > My 
own key, scroll to the desired application, and select it. 
To give voice commands, press and hold the my own key. 
To activate push to talk, press the my own key. The push to 
talk connection must be started before it can be activated 
with the my own key. See "Push to talk", p. 91.