18Copyright © 2005 Nokia. All rightsIf you enter an incorrect PIN code three times in succession, the phone maydisplay PIN blocked or PIN code blocked and ask you to enter the PUK code.PUK codesThe personal unblocking key (PUK) code (8 digits) is required to change a blockedPIN 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 providerfor the codes.Barring passwordThe barring password (4 digits) is required when using the Call barring service. SeeSecurity on page 102. You can obtain the password from your service provider.Wallet codeThe wallet code (4 to 10 digits) is required to access the wallet services. If youenter an incorrect wallet code three times in succession, the wallet application isblocked for 5 minutes. If you give three more incorrect entries, the time doubles.For further information, see Wallet on page 127.
