Samsung SCH-A645BKAATL - Manual (Page 173)

Section 12: Changing Your Settings 173
Security Settings
Sect
ion 12
Change Lock
The default lock code for your phone is generally the
last four digits of your phone number. It is advisable to
change the default lock code to a secret code for
security purposes.
1. In standby mode, press the MENU (left) soft key ( ),
then press (for Settings) and for Security.
You’re prompted to enter the lock code.
Note: The default lock code is the last four digits of your telephone number.
2. Press for Change Lock. You’re prompted to enter the
new lock code.
3. Enter the new lock code. You’re prompted to re-enter the
new lock code for verification.
4. Enter the new lock code again. Your changes are stored.
Note: Your phone does not allow you to view the lock code for obvious
security reasons. If you change the lock code, be sure to write down or
memorize the new code.
Emergency #
Your phone provides the option of storing three
emergency numbers. Each number can be up to 32
digits in length. All emergency numbers can be
manually called at any time, even when your phone is
locked or restricted. This can be a useful feature for
controlling outgoing calls from your phone.