Nokia 30 GSM User Manual page 47

PUK2 code (8 digits)
The PUK2 code, supplied with some SIM cards, is required to change a blocked PIN2 code. If you lose
the code, contact your service provider.
Security code (5 digits)
The security code can be used to avoid unauthorised use of your terminal. The factory setting for the
security code is 12345. To change the security code, use the Nokia 30 Configurator software. Keep the
new code secret and in a safe place.
Barring password
The barring password is needed when using the "Call Barring" function. You obtain the password from
your service provider.
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