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14Copyright © 2005 Nokia. All rights reserved.
PIN codes
The personal identification number (PIN) code and the universal personal
identification number (UPIN) code (4 to 8 digits) help to protect your SIM card
against unauthorized use. See Security p. 78.
The PIN2 code (4 to 8 digits) may be supplied with the SIM card and is required for
some functions.
The module PIN is required to access the information in the security module. See
Security module p. 116.
The signing PIN is required for the digital signature. See Digital signature p. 118.
PUK codes
The personal unblocking key (PUK) code and the universal personal unblocking key
(UPUK) code (8 digits) are required to change a blocked PIN code and UPIN code,
respectively. The PUK2 code (8 digits) 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 (4 digits) is required when using the Call barring service. See
Security p. 78.