49
basics
Select the type of code you wish to change, 
enter the old code when prompted, then 
enter the new code.
lock/unlock keypad
You can lock your phone’s keypad and side 
keys to prevent accidental key presses.
Press 
B
, then 
*
 to lock/unlock the keypad 
and side buttons.
Note: 
You can answer an incoming call even 
when the keypad is locked. However, you can 
not
 answer a call when the 
phone
 is locked—
you must first enter the unlock code (see next 
section).
lock/unlock phone
You can lock your phone manually or set the 
phone to lock automatically whenever you 
turn it off.
To use a locked phone, you must enter the 
unlock code. A locked phone still rings or 
vibrates for incoming calls or messages, 
but 
you must unlock it to answer
.
You can make emergency calls on your phone 
even when it is locked (see page 59).
lock
Find it: 
Press 
MENU
(
s
) 
D SETTINGS & TOOLS 
System 
Security 
Phone Lock 
Lock Now
 or 
Automatic Lock
Both 
Phone Lock
 options require you to enter the 
unlock code before completing your selection.
unlock
At the 
Enter Unlock Code
 prompt, enter your four-
digit unlock code and press 
OK
(
s
).