Nokia 002F4W8 - Manual (Page 164)

These codes can only include the numbers from
0 to 9.
If you forget the PIN or the PIN2 code, contact
your service provider. If you forget the lock code,
contact a Nokia Care point or your service
provider. See "Access codes", p. 21.
Avoid using access codes similar to the
emergency numbers to prevent accidental
dialling of the emergency number.
● Keypad autolock period — Select whether the
keypad is locked when your device has been idle
for a certain period of time.
Tip: To lock or unlock the keypad
manually, press the left selection key, then
*.
● Phone autolock period — To avoid
unauthorised use, you can set a time-out after
which the device automatically locks. A locked
device cannot be used until the correct lock code
is entered. To turn off the autolock period, select
None .
Tip: To lock the device manually, press the
power key. A list of commands opens.
Select Lock phone .
In the offline or flight profiles, you may need to
unlock the device and change to the calling profile
before making a call.
● Lock if SIM card 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).
Certificate management
Press , and select Tools > Settings >
General > Security > Certificate management .
Digital certificates do not guarantee safety; they are
used to verify the origin of software.
In the certificate management main view, you can
see a list of authority certificates that are stored in
your device. Scroll right to see a list of personal
certificates, if available.
Digital certificates should be used if you want to
connect to an online bank or another site or remote
server for actions that involve transferring
confidential information. They should also be used
if you want to reduce the risk of viruses or other
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