Nokia N93i User Manual page 119

PIN code, PIN2 code, and Lock code
the lock, PIN, and PIN2 codes. These codes can only include
the numbers from 0 to 9. If you forget any of these codes,
contact your service provider. See
codes", on page 109.
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 may be possible to the
official emergency number programmed into your device.
Tip! To lock the device manually, press
commands opens. Select
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 may be
possible to the official emergency number programmed
into your device.
— You can change
"Glossary of PIN and lock
. A list of
Lock phone.
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.
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. After three consecutive
incorrect PIN code entries, the code is blocked, and you
need the PUK code to unblock it.
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.
PIN2 code — This code (4 to 8 digits) is supplied with some
SIM cards, and is required to access some functions in
your device.
Lock code (security code) — This code (5 digits) can be
used to lock the device to avoid unauthorized use. The
factory setting for the lock code is 12345. To avoid
unauthorized use of your device, change the lock code.
Keep the new code secret and in a safe place separate
from your device. If you forget the code, contact your
service provider.
Copyright © 2007 Nokia. All rights reserved. 109