General
Select >
Settings
>
Phone sett.
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General
and from the following:
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S e t t i n g s
Personalisation
— to adjust the display, standby mode, tones (such as ringing
tone), language, themes, and voice command setting.
Date and time
— to set the time and date and the display format
Cover display
— to change settings for the cover display
Enhancement
— to change the settings for an enhancement. Select an
enhancement and the desired setting.
Security
— to change the device and SIM card settings, such as PIN and lock
codes; view certificate details and check authenticity; and view and edit security
modules
When security features that restrict calls are in use (such as call barring, closed user group,
and fixed dialing), calls may be possible to the official emergency number programmed into
your device.
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 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.
Factory settings
— to reset some of the settings to their original values. You need
the lock code.
Positioning
(network service) — to change positioning settings. See Positioning
settings p. 25.