Samsung SCH-A890ZSVXAR - Manual (Page 121)

Settings
113
Lock phone
Lock Phone restricts the use of your phone with the exception
of outgoing calls to 911 and the three user-programmed
emergency numbers. Lock Phone allows you to answer calls,
but to place calls (except to emergency numbers) you have to
unlock the phone.
1. In standby mode, press the left soft key ( ) Menu .
2. Press ( Settings ), ( Security ). You’re
prompted to enter the lock code.
3. Enter the Lock Code, then press
(
Lock Phone
).
The options listed in the following table appear in the
display.
4. Use the navigation keys to highlight the desired Lock
Phone option.
5. Press to perform the function for the highlighted
option.
Change lock
The default lock code is the last four digits of your phone
number. Change Lock allows you to change this code to a
lock code of your preference.
1. In standby mode, press the left soft key ( ) Menu .
2. Press ( Settings ), ( Security ). You’re
prompted to enter the lock code.
Option Function
Never
The Lock Code is never required.
Power On
The Lock Code is required whenever you power up
the phone.
Now
Your phone returns to standby mode. The the Lock
Code is required immediately to access any functions.