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• PUK and PUK2 codes (8 digits): The Personal Unblocking Key (PUK) code is
required to change a blocked PIN code. 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 is needed when using the Call barring
service, see Security settings on page 76. The password is supplied by your
service provider.