Certificate Management - Nokia N97 User Manual

lock code, contact a Nokia Care point or your service
provider.
Phone autolock period
●
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.
Lock if SIM card changed
●
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.
Remote phone locking
●
remote lock.
Closed user group — You can specify a group of
●
people to whom you can call and who can call you
(network service).
Confirm SIM services
●
display confirmation messages when you are using
a SIM card service (network service).
In the offline or flight profiles, you may need to unlock
the device and change to the calling profile before
making a call.
When calls are limited to closed user groups, calls may
be possible to the official emergency number
programmed into your device.
— To avoid unauthorised
— You can set the device
— Enable or disable
— You can set the device to

Certificate management

Select Menu Settings
>
mgmt. Security Certificate
> >
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 malicious software
and be sure of the authenticity of software when
downloading and installing software.
Select from the following:
Authority certificates
●
certificates.
Trusted site certificates
●
site certificates.
Personal certificates
●
certificates.
Phone certificates — View and edit device
●
certificates.
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 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
and Phone Phone
>
management.
— View and edit authority
— View and edit trusted
— View and edit personal
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