Basics
Setting a face and voice unlock
On the Applications screen, tap Settings →My device →Lock screen →Screen lock → Face and voice.
Fit your face in the frame to be captured and then set a voice command. Then, set a backup unlock PIN or pattern to unlock the screen in case the face and voice unlock fails.
Setting a pattern
On the Applications screen, tap Settings →My device →Lock screen →Screen lock → Pattern.
Draw a pattern by connecting four dots or more, and then draw the pattern again to verify it. Set a backup unlock PIN to unlock the screen when you forget the pattern.
Setting a PIN
On the Applications screen, tap Settings →My device →Lock screen →Screen lock → PIN.
Enter at least four numbers, and then enter the password again to verify it.
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