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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.79. The PIN code is
usually supplied with the SIM card. To set the phone to request the PIN code, see Security p.79.
• 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.110.
The module PIN is supplied with the SIM card if the SIM card has a security module in it.
• The signing PIN is required for the digital signature. See Digital signature p. 111. The signing PIN is supplied
with the SIM card if the SIM card has a security module in it.

PUK codes

The personal unblocking key (PUK) code and the universal personal unblocking key (UPUK) code (8 digits) is
required to change a blocked PIN code and UPIN code, respectively. The PUK2 code is required to change a
blocked PIN2 code.
If the codes are not supplied with the SIM card, contact your service provider for the codes.

Barring password

The barring password (4 digits) is required when using the Call barring service. See Security p. 79. You can
obtain the password from your service provider.
If you enter an incorrect barring password three times in succession, the password is blocked. Contact your
service provider or network operator.
■Configuration settings service
Before you use multimedia messaging, instant messaging and presence, push to talk, email application,
synchronization, streaming, and the browser, you must have the proper configuration settings on your phone.