Date & Time; Security - Nokia N91 User Manual

Access point—The access point name is needed to use your
device as a packet data modem to your PC.
Configurations
You may receive trusted server settings from your network
operator or service provider in a configuration message, or
the settings may be stored on your SIM or USIM card.
You can save these settings to your device, view, or delete
them in Configurations.
Date & time
See "Clock settings", p. 9.
See also the language settings in "General", p. 90.

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
lock codes", p. 96.
PIN code, PIN2 code, and Lock
lock code, PIN code, and PIN2 code. These codes can only
include the numbers from 0 to 9. See
lock codes", p. 96.
"Glossary of PIN and
code—You can change the
"Glossary of PIN and
Copyright © 2006 Nokia. All rights reserved.
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 timeout after which the device automatically locks and
can be used only if the correct lock code is entered. Enter
a number for the timeout in minutes, or select
turn off the autolock period.
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
commands opens. Select
For information on Lock switch see
(keyguard)", p. 11.
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 recognised as the owner's cards.
Closed user group (network service)—You can specify a
group of people to whom you can call and who can call
you.
None to
. A list of
Lock phone.
"Keypad lock
95