19.Security
Device security
Select Menu > Tools > Settings > Security > Phone and SIM.
You can modify the security settings for the PIN code, automatic lock, and SIM card change, and change codes and passwords. Avoid using codes that are similar to emergency numbers to prevent accidental dialing of the emergency number.
Codes are shown as asterisks. When you change a code, enter the current code, then the new code twice.
Define security settings
To define device and SIM card settings, select a setting and Options > Change.
When calls are limited to closed user groups, calls may be possible to the official emergency number programmed into your device.
Define the following settings:
•PIN code request — Select On to request that the PIN code is entered each time the device is switched on. This setting cannot be changed if the device is switched off. Some SIM cards do not allow turning off the PIN code request.
•PIN code — Change the PIN code. The PIN code must be 4 to 8 numbers long. The PIN code protects your SIM card against unauthorized use and is provided with the SIM card. After three consecutive incorrect PIN code entries, the PIN code is blocked, and you need to use the PUK code to unblock it before you can use the SIM card again.
•PIN2 code — Change the PIN2 code. The PIN2 code must be 4 to 8 numbers long. The PIN2 code is required to access some functions of the device and is provided with the SIM card. After three consecutive incorrect PIN2 code entries, the PIN2 code is blocked, and you need to use the PUK2 code to unblock it before you can use the SIM card again.
•Autolock period — Set a
•Lock code — Change the lock code. The new code can be
•Lock if SIM changed — Set the device to ask for the lock code when an unknown, new SIM card is inserted into your device. The device maintains a list of SIM cards that are recognized as the owner’s cards.
•Allow remote lock — If you set this option on, you can lock the device by sending a predefined text message from another phone. When you set this option on, you need to enter the remote lock message and confirm the message. The message must be at least 5 characters long.
•Closed user group (network service) — Specify a group of people to whom you can call and who can call you.
•Confirm SIM services (network service) — Set the device to display confirmation messages when you are using a SIM card service.
Change the barring password
To change the password used for barring voice, fax, and data calls, select Menu > Tools > Settings > Call barring > Cellular call barring > Options > Edit barrings passw.. Enter the current code, then the new code twice. The barring password must be four digits long. For details, contact your service provider.
Fixed dialing
When fixed dialing is activated, calls may be possible to the official emergency number programmed into your device.
Press the contacts key. Select Options > SIM contacts > Fixed dialling contacts.
With the fixed dialing service, you can restrict calls from your device to only certain phone numbers. Not all SIM cards support the fixed dialing service. Contact your service provider for more information.
Select Options, and select from the following options:
•Activ. fixed dialling — Restrict calls from your device. To cancel the service, select Deact. fixed dialling. You need your PIN2 code to activate and deactivate fixed dialing or edit your fixed dialing contacts. Contact your service provider if you do not have the code.
•New SIM contact — Add a phone number to the list of numbers to which calls are allowed. Enter the contact name and phone number. To restrict calls by a country prefix, enter the country prefix in New SIM contact. All phone numbers to which calls are allowed must start with this country prefix.
•Add from Contacts — Copy a contact from Contacts to your fixed dialing list.
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