Nokia 6081 User Manual page 18

If you enter an incorrect security code (CODE ERROR) five
times in a row, the phone will not accept any entries for the
next five minutes with power on.
To change the security code, see Menu 5 6 1, Change Secu-
rity.
PIN (Personal Identity Number) Code (4-8 digits)
The PIN code, supplied with the SIM card, is a secret code
designed to control the use of the SIM card. If you have en-
abled the PIN code request in Menu 5 1, the PIN code is
needed when the phone is switched on and PIN CODE? ap-
pears on the display.
If you enter a wrong PIN code three times in a row, the SIM
card will be blocked and CARD BLOCKED will be displayed.
Use the PUK code to unblock the code (see PUK).
To change the PIN code, see Menu 5 6 2, Change PIN code.
PIN2 Code (4 to 8 digits)
The PIN2 code is supplied with some SIM cards. The PIN2
code is required to access some functions, such as charging
unit counters and fixed dialling, which must be supported by
the SIM card.
If you enter a wrong PIN2 code three times in a row, the PIN2
code is disabled and cannot be used anymore. Use the
PUK2 code to unblock the code (see PUK2).
To change the PIN2 code, see Menu 5 6 3, Change PIN2.
17