User Manual

• PIN2 code—Press Change to change the PIN2
code. The PIN2 code must be 4 to 8 digits long. The
PIN2 code is required to access some functions, such
as the fixed dialing settings, which must be
supported by your SIM card.
Changing the barring password
To change the password used for barring voice, fax, and
data calls, select Security → Device security, and
select the Call barring page. Select the Barring
password field, and press Change. Enter the current
code, and then the new code twice. The barring
password must be four digits long.
Certificate manager
Important: Note that 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 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.
Before changing any certificate settings, you must
make sure that you really trust the owner of the
certificate and that the certificate really belongs to the
listed owner.
Digital certificates may be used for:
• connecting to an online banking service or another
site or remote server to transfer confidential
information
• reducing the risk of viruses or other malicious
software, and checking the authenticity of software
when downloading and installing it
Managing certificates
Personal certificates are certificates that are issued to
you. They are listed on the User page.
Authority certificates are on the Other page. They are
used by some services, such as banking, for checking
the validity of other certificates.
To add certificates, select Security → Certificate
manager. Press Add to add a new certificate. You can
then browse for the certificate file. Press Delete to
remove a selected certificate.
To check the authenticity of a certificate, select
Security → Certificate manager. Select a certificate,
and press View details. The Issued to: field identifies
the owner of this certificate. Make sure that this is the
name of the party to whom the certificate belongs. The
Fingerprint: field uniquely identifies the certificate.
Contact the help desk or customer service of the owner
of the certificate and ask for the MD5 fingerprint of the
certificate. Compare the fingerprint with the one shown
in the dialog to check whether they match.
Tip: Check the authenticity of a certificate each
time you add a new certificate.
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Control panel
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