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Nokia 6820 User Guide 55 Copyright © Nokia 2004
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PIN AND PIN2 CODES
The PIN (personal identification number) code is 4 to 8 digits and protects your SIM card
against unauthorized use. The PIN code is usually supplied with the SIM card. To set the
phone to request the PIN code each time the phone is switched on, see “Security settings”
on page 53.
The PIN2 code may be supplied with the SIM card and is required to access some functions.
MODULE PIN
The module PIN code is 4 to 8 digits and is required to access the information in the security
module. See “Security module” on page 78. The module PIN is supplied with the SIM card if
the SIM card has a security module in it.
SIGNING PIN
The signing PIN is 4 to 8 digits and is required for the digital signature. See “Digital signature”
on page 78. The signing PIN is supplied with the SIM card if the SIM card has a security
module in it.
PUK AND PUK2 CODES (8 DIGITS)
The PUK (personal unblocking key) code is required to change a blocked PIN code. 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.
If you key in an incorrect PIN code three times in succession, the phone may display PIN
blocked or PIN code blocked and ask you to key in the PUK code.
RESTRICTION PASSWORD (4 DIGITS)
The restriction password is required when using the Call restriction service. You can obtain
the password from your service provider.
WALLET CODE (4 TO 10 DIGITS)
The wallet code is required to access the wallet services. If you key in an incorrect wallet
code several times, the wallet application is blocked for five minutes. For further
information, see “Wallet” on page 63.
• RESTORE FACTORY SETTINGS
To reset the menu settings to their original values, select Menu > Settings > Restore
factory settings. Key in the security code and select OK.
Note: The data you have keyed in or downloaded, for example the names and phone
numbers saved in contacts, are not deleted.
6820.CENv1_9231553.book Page 55 Tuesday, November 23, 2004 3:50 PM