To adjust phone security settings, scroll to Security
settings, and select:
• PIN code request—to set the phone to request
your PIN code every time the phone is switched on.
Note that some SIM cards do not allow this setting to
be changed.
• Call barring service—to restrict calls (network
service).
Select the desired barring option and set it on
(Activate) or off (Cancel), or check whether the
option is active (Check status).
• Access codes—to change the security code, PIN
code, PIN2 code, or barring password.
• Lock if SIM card is changed—to 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.
• Lock system—to lock the device. To unlock the
device, press Unlock → 
 in standby mode. See
Defining device lock settings on page 81.
To adjust phone display settings, scroll to Display
settings, and select:
• Colour schemes —to choose the colour for some
parts of the phone display, such as the indicators for
the signal strength and battery charge level.
• Operator logo—to display or hide the operator
logo.
• Screen saver timeout—to set the period after
which the screen saver is activated.
To adjust the time and date settings, scroll to Time and
date settings.
To set the function for the right selection key in
standby mode, scroll to Right select key, and select
the desired function from the list.
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