Nokia N91 User Guide - Page 104

PIN code, Lock code, Autolock period, Lock if SIM changed, Closed user group, Confirm SIM services - unlock code

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Tools 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. 104. 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 None to 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 . A list of commands opens. Select Lock phone. For information on Lock switch see 'Keypad lock (keyguard)', p. 18. 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. 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 (network service)-You can set the device to display confirmation messages when you are using a SIM card 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 unauthorised use. The PIN code (4 to 8 digits) is usually supplied with the SIM card. After three consecutive incorrect PIN code entries, the PIN code is blocked, and you need to unblock it before you can use the SIM card again. See the information about the PUK code in this section. UPIN code-This code may be supplied with the USIM card. The USIM card is an enhanced version of the SIM card and is supported by UMTS mobile phones. The UPIN code protects the USIM card against unauthorised use. 104 Copyright © 2006 Nokia. All rights reserved.

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Tools
104
Copyright © 2006 Nokia. All rights reserved.
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. 104.
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
None
to
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
. A list of
commands opens. Select
Lock phone
. For information
on Lock switch see ‘Keypad lock (keyguard)’, p. 18.
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.
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
(network service)—You can set the
device to display confirmation messages when you are
using a SIM card 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 unauthorised use. The PIN
code (4 to 8 digits) is usually supplied with the SIM card.
After three consecutive incorrect PIN code entries, the PIN
code is blocked, and you need to unblock it before you can
use the SIM card again. See the information about the PUK
code in this section.
UPIN code—This code may be supplied with the USIM card.
The USIM card is an enhanced version of the SIM card and
is supported by UMTS mobile phones. The UPIN code
protects the USIM card against unauthorised use.