Certificate Management - Nokia 6682 User Manual

Options in the
Activ. fixed
contact, Edit, Delete,
from Contacts, Find, Mark/Unmark, Help,
and Exit.
When security features that restrict calls are in use (such
as Call restriction,
calls still may be possible to the official emergency
numbers programmed into your phone.
Closed user group
group of people to whom you can call and who can call you.
Confirm SIM services
phone to display confirmation messages when you are
using a SIM card service.
Glossary of PIN and lock codes
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.
92
Fixed dialing view are Open, Call,
dialing, Deact. fixed dialing,
Add to Contacts,
Closed user group, and Fixed
(network service)—You can specify a
(network service)—You can set the
PIN2 code—This code (4 to 8 digits) is supplied with
New some SIM cards, and is required to access some
Add functions in your phone.
Lock code—This code (5 digits) can be used to lock the
phone to avoid unauthorized use. The factory setting for
the lock code is 12345. To avoid unauthorized use of your
dialing), phone, change the lock code. Keep the new code secret and
in a safe place separate from your phone.
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
with the SIM card, contact the operator whose SIM card is
in your phone.
UPUK code—This code (8 digits) is required to change a
blocked UPIN code. If the code is not supplied with the
USIM card, contact the operator whose USIM card is in
your phone.
Wallet code—This code is required to use the wallet
services. See "Wallet," p. 67.

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 phone.
Scroll right to see a list of personal certificates, if available.