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
.