Nokia N70-1 User Manual page 101

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 device 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
turn off the autolock period.
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 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 (network service).
When calls are limited to closed user groups, calls 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).
None to
. A list of
Lock phone.
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.
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 unauthorized use.
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 (also known as 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.
Personal unblocking key (PUK) code and PUK2 code—These
codes (8 digits) are required to change a blocked PIN code
or PIN2 code, respectively. If the codes are not supplied
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