Nokia C6-00 User Manual page 99

Phone autolock period — To avoid
unauthorized use, set a time-out after
which the device automatically locks. A
locked device cannot be used until the
correct lock code is entered. To deactivate
this option, select None.
Lock if SIM card changed — 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.
Remote phone locking — Enable or
disable remote lock.
Closed user group — Specify a group of
people to whom you can call and who can
call you (network service).
Confirm SIM services — Set the device to
ask for confirmation when you are using
a SIM card service (network service).
Manage certificates
Digital certificates protect your content
when transferring confidential
information. Certificates should be used
when connecting to an online bank or
another site, or to a remote server for
actions that involve transferring
confidential information.
Certificates should also be used when you
want to reduce the risk of viruses or other
malicious software and be sure of the
authenticity of software when
downloading and installing software.
Select Menu Settings
>
Phone mgmt.
>
Certificate management
desired certificate type.
Digital certificates do not guarantee
safety; they are used to verify the origin of
software.
Important: Even if the use of certificates
makes the risks involved in remote
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and Phone
Security settings
and select the
connections and software installation
considerably smaller, they must be used
correctly in order to benefit from
increased security. The existence of a
certificate does not offer any protection
by itself; the certificate manager must
contain correct, authentic, or trusted
certificates for increased security to be
available. Certificates have a restricted
lifetime. If "Expired certificate" or
"Certificate not valid yet" is shown, even if
the certificate should be valid, check that
the current date and time in your device
are correct.
Security module
The security module provides security
services for different applications.
Select Menu
Phone mgmt.
Security module
module.
View security module details
Select Options
Restore original settings
You can reset some of the settings to their
original values. All active calls and
connections must be ended.
Select Menu
Phone mgmt.
restore the settings, you need to enter the
lock code.
>
After resetting, the device may take a
>
longer time to power on. Documents and
files are unaffected.
Protected content
Digital rights management (DRM)
protected content, for example some
media files, such as images, music, or
Settings and Phone
>
Security settings
>
and the desired security
Security details.
>
Settings and Phone
>
Factory settings. To
>
>
>
>
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