Nokia N90

Page 110
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Tools
110
Copyright © 2005 Nokia. All rights reserved. 
can save these settings to your phone, view or delete them 
in 
Configurations
.
Date and time
See also the language settings in ‘General’, p. 105.
Security
Phone and SIM
PIN code request
—When active, the code is requested 
each time the phone 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. 111.
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. See ‘Glossary of PIN and 
lock codes’, p. 111.
Avoid using access codes similar to the emergency 
numbers to prevent accidental dialling of the emergency 
number.
If you forget any of these codes, contact your service 
provider.
Autolock period
—You can set an autolock period, a 
time-out after which the phone automatically locks and 
can be used only if the correct lock code is entered. Enter 
a number for the time-out in minutes, or select 
None
 to 
turn off the autolock period.
To unlock the phone, enter the lock code.
When the device is locked, calls  may be possible to the 
official emergency number programmed into your device.
 Tip! To lock the phone manually, press 
. A list of 
commands opens. Select 
Lock phone
.
Lock if SIM changed
—You can set the phone to ask for the 
lock code when an unknown SIM card is inserted into your 
phone. The phone maintains a list of SIM cards that are 
recognised 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.
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 phone to 
display confirmation messages when you are using a SIM 
card service.
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