The personal identification number (PIN) code or the universal personal
identification number (UPIN) code (4 to 8 digits) help to protect your SIM card.
The (U)PIN code is usually supplied with the SIM card. Set the device to request
the code each time the device is switched on, select
Phone and SIM card
PIN code request
The PIN2 code may be supplied with the SIM card and is required for some
The module PIN is required to access the information in the security module. The
signing PIN is required for the digital signature. The module PIN and the signing
PIN are supplied with the SIM card if the SIM card has a security module in it.