Samsung A640, Instruction Manual, Page: 94 / 265

72 Section 2C: Setting Your Phone’s Security
Lock Services
This setting allows you to lock voice call functions and
Sprint PCS Vision services. When you enable Lock Services,
you will be unable to make new calls (excluding emergency
numbers) or to access the Vision services until the lock has
been disabled in the Security menu.
Locking Voice Services
1.
Select Menu > Settings > Security .
2.
Enter your lock code. (The Security menu is displayed.)
3.
Select Lock Service and press .
4.
Select Voice and press .
5.
Select Lock and press .
Locking Sprint PCS Vision
1.
Select Menu > Settings > Security .
2.
Enter your lock code. (The Security menu is displayed.)
3.
Select Lock Service and press .
4.
Select PCS Vision and press .
5.
Select Lock and press .
Locking Camera
1.
Select Menu > Settings > Security .
2.
Enter your lock code. (The Security menu is displayed.)
3. Select Lock Service and press .
4.
Select Camera and press .
5.
Select Lock and press .