function.
Change Password
This function allows you to change your phone’s password.
Press the [Menu] Soft key then select 6.Settings then select 8.Security Settings then select 4.Change Password.
You must input the password before you can access this function.
Input the new password then press the [o] key. The default password is 1234.
Application Lock
This function does not allow specific features access. You must input the password before you can access to this function. This function allows you to lock an application.
Press the [Menu] Soft key then select 6.Settings then select 8.Security Settings then select 5.Application Lock.
You must input the password before you can access this function.
Call Barring
This function allows you to set restrictions on making certain types of calls.
Press the [Menu] Soft key then select 6.Settings then select
Settings 
8.Security Settings then select 6.Call Barring. You must input the password before you can access this function.
You can choose the following.
•Handset Barring: Specifies whether incoming calls and certain outgoing calls are restricted on your phone.
•Network Barring: This feature is network and subscription dependent. Some bars are set by the network service provider. You can set restrictions on making the following types of calls.
International Calls: Restricts outgoing and incoming international calls.
Outgoing Calls: Restricts all outgoing calls.
Incoming Calls: Restricts all incoming calls.
Incoming Calls When Abroad: When you are abroad, this feature allows you to restrict incoming calls.
Int. Calls Except to Home Country: Restricts international calls except to your home country.
Clear All: Cancels all barring settings.
Change Password: Replaces the old password with a new one.
CUG (Closed User Group)
This function allows you to set up a group of numbers that you want to dial or receive calls from.