Samsung Galaxy S3: How to Change Barring Password

In Samsung Galaxy S3 you can restrict certain types of incoming or outgoing calls by turned on call barring settings. To make a change on you call barring settings, you will be prompted to enter 4 digit barring password.

See also: How to Set Call Barring Settings on Samsung Galaxy S3

If it's your first time and you never change your barring password, then the default is 0000. But, for security