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17Copyright © 2004 Nokia. All rights reserved.
The signing PIN is required for the digital signature, see Digital signature on
page 142. The module and signing PIN are supplied with the SIM card if the
SIM card has a security module in it.
If you key in an incorrect PIN code three times in succession, the phone may
display PIN blocked or PIN code blocked, for example, and ask you to enter the
PUK code.
• PUK and PUK2 codes (8 digits): The PUK (Personal Unblocking Key) or PUK2
code is required to change a blocked PIN code or PIN2 code.
If the codes are not supplied with the SIM card, contact your local service
provider for the codes.
• Barring password (4 digits): The barring password is required when using the
Call barring service, see Security settings on page 101. You can obtain the
password from your service provider.
• Wallet code (4 to 10 digits): The wallet code is required to access the wallet
services, see Wallet on page 124. If you key in an incorrect wallet code three
times, the wallet application is blocked for 5 minutes. After the next three
incorrect attempts, the length of time for which the application is blocked will
be doubled.