Nokia 6170

Page 17
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The signing PIN is required for the digital signature, see 
. The module and signing PIN are supplied with the SIM card if the 
SIM card has a security module in it.
If you key in an incorrect PIN code three times in succession, the phone may 
display 
PIN blocked
 or 
PIN code blocked
, for example, and ask you to enter the 
PUK code.
• PUK and PUK2 codes (8 digits): The PUK (Personal Unblocking Key) or PUK2 
code is required to change a blocked PIN code or PIN2 code. 
If the codes are not supplied with the SIM card, contact your local service 
provider for the codes.
• Barring password (4 digits): The barring password is required when using the 
Call barring service
, see 
. 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, see 
 on page 
. If you key in an incorrect wallet code three 
times, the wallet application is blocked for 5 minutes. After the next three 
incorrect attempts, the length of time for which the application is blocked will 
be doubled.
■ Configuration settings service
In order to use multimedia and instant messaging, and other wireless services, you 
need to have the proper configuration settings on your phone. You may receive 
the settings directly as a configuration message, and you need to save the settings