Nokia 8800 User Guide - Page 15
PIN codes, Barring password, Call barring service
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Page 15 highlights
PIN codes The PIN (personal identification number) code and the UPIN (universal personal identification number) code (4 to 8 digits) help to protect your SIM card against unauthorized use. See Security, page 80. 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, page 110. The signing PIN is required for the digital signature. See Digital signature, page 111. PUK codes The PUK (personal unblocking key) code and the UPUK (universal personal unblocking key) code (8 digits) is required to change a blocked PIN code and UPIN code, respectively. The PUK2 code (8 digits) is required to change a blocked PIN2 code. Barring password The barring password (4 digits) is required when using the Call barring service. See Security, page 80. Copyright © 2005 Nokia. All rights reserved. 15
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