58The parameters differ according to the selected service type. To delete or activatea personal account, scroll to it, and select Options > Delete or Activate.■ SecurityWhen security features that restrict calls are in use (such as call restriction and fixed dialing)calls still may be possible to the official emergency number programmed into your device.Select Menu > Settings > Security and from the following:PIN code request — to set the phone to ask for your PIN code every time the phoneis switched on. Some SIM cards do not allow the code request to be turned off.Fixed dialing — to restrict your outgoing calls to selected phone numbers if thisfunction is supported by your SIM card. When the fixed dialing feature is on, GPRSconnections are not possible except while sending text messages over a GPRSconnection. In this case, the recipient’s phone number and the message centernumber must be included in the fixed dialing list.Security level — to set the phone to ask for the security code whenever a new SIMcard is inserted into the phone, select Phone. If you select Memory, the phone asksfor the security code when the SIM card memory is selected, and you want tochange the memory in use.Access codes — to create or change the security code, PIN code, or PIN2 codeCode in use — to activate the PIN code requirementPIN2 code request — to select whether the PIN2 code is required when using aspecific phone feature which is protected by the PIN2 code. Some SIM cards donot allow the code request to be turned off.Authority certificates — to view the list of the authority certificates downloadedto your phone.User certificates — to view the list of the user certificates downloaded to your phone.Security module sett.— to view Secur. module details, select Module PIN request,or change the module PIN and signing PIN. See also “Access codes”, page 8.■ Reset deviceTo reset some of the menu settings to their original values, select Menu >Settings > Reset device. Select Restore settings only only to restore preferencesettings and to prevent personal data from being deleted. To set to factorysettings and delete personal information, select Restore all. Enter the securitycode. By default, this is12345. You may be prompted to create one. The namesand phone numbers saved on the SIM card are not deleted.