149Phone LockWhen the Phone lock feature is enabled, the phone is locked and you must enter the4- to 8-digit phone password each time the phone is switched on. To change thephone password, see "Change Phone Password" on page 150. Once the correctpassword is entered, you can use the phone until you switch it off. The followingoptions are available:• Off: you are not asked to enter the phone password when you switch on the phone.• On: you are required to enter the phone password when you switch on the phone.PIN LockWhen the PIN Lock feature is enabled, you must enter your PIN each time you switchon the phone. Consequently, any person who does not have your PIN cannot useyour phone without your approval.Note: Before disabling the PIN Lock feature, you must enter your PIN.The following options are available:• Off the phone connects directly to the network when you switch it on.• On: you must enter the PIN each time the phone is switched on.Lock ApplicationsUsing this menu, you can lock the following categories:- All lock- Messages- Fun & Apps- Call records- Phonebook- Calendar- Notes- IM- TasksOnce you lock the contents, you must enter the phone’s password to access theassociated menus.FDN modeFDN (Fixed Dial Number) mode, if supported by your SIM card, allows you to restrictyour outgoing calls to a limited set of phone numbers.