Nokia N71

Page 93
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Tools
93
Copyright © 2006 Nokia. All rights reserved. 
Date and time
Security
Phone and SIM
PIN code request
—When active, the code is requested 
each time the device is switched on. Deactivating the 
personal identification number (PIN) code request may 
not be allowed by some SIM cards. See ‘Glossary of PIN 
and lock codes’, p. 13.
PIN code
, 
PIN2 code
, and 
Lock code
—You can change the 
lock code, PIN code, and PIN2 code. These codes can only 
include the numbers from 0 to 9. If you forget any of these 
codes, contact your service provider. See ‘Glossary of PIN 
and lock codes’, p. 13.
Avoid using access codes similar to the emergency 
numbers to prevent accidental dialing of the emergency 
number.
Autolock period
—You can set an autolock period, a 
time-out after which the device automatically locks. To 
turn off the autolock period, select 
None
.
To unlock the device, enter the lock code.
When the device is locked, calls still may be possible to the 
official emergency number programmed into your device.
 Tip! To lock the device manually, press 
. A list of 
commands opens. Select 
Lock phone
.
Lock if SIM changed
—You can set the device to ask for 
the lock code when an unknown SIM card is inserted into 
your device. The device maintains a list of SIM cards that 
are recognized as the owner’s cards.
Closed user group
—You can specify a group of people to 
whom you can call and who can call you (network service).
When calls are limited to closed user groups, calls still may 
be possible to the official emergency number programmed 
into your device.
Confirm SIM services
—You can set the device to display 
confirmation messages when you are using a SIM card 
service (network service).
Glossary of PIN and lock codes
If you forget any of these codes, contact your service 
provider.
Personal identification number (PIN) code—This code 
protects your SIM card against unauthorized use. The PIN 
code (4 to 8 digits) is usually supplied with the SIM card. 
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