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Select the service type, and select and enter each of the required parameters. The
parameters differ according to the selected service type. To delete or activate a
personal account, scroll to it, and select Options > Delete or Activate.
■ Security
When security features that restrict calls are in use (such as call barring, closed user group
and fixed dialing) calls still may be possible to the official emergency number programmed
into your device.
Select Menu > Settings > Security settings and from the following options:
PIN code request — to set the phone to ask for your PIN or UPIN code every time
the phone is switched on. Some SIM cards do not allow the code request to be
turned off.
Call barring service (network service) — to restrict incoming calls to and outgoing
calls from your phone. A barring password is required.
Fixed dialling — to restrict your outgoing calls to selected phone numbers if this
function is supported by your SIM card
Closed user group (network service) — to specify a group of people whom you can
call and who can call you
Security level > Phone — the phone asks for the security code whenever a new SIM
card is inserted into the phone. Select Memory and the phone asks for the security
code when SIM card memory is selected and you want to change the memory in
use.