Nokia 7373 - PIN codes

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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. 56.

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. 77.

The signing PIN is required for the digital signature. See “Digital
signature,” p. 78.