Setting A Pin; Setting A Password - Samsung GT-I8190 User Manual

Basics
Setting a pattern
On the Applications screen, tap Settings
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
Enter at least four numbers, and then enter the password again to verify it.

Setting a password

On the Applications screen, tap Settings
Enter at least four characters including numbers and symbols, and then enter the password
again to verify it.
Lock screen Screen lock
Lock screen Screen lock
Lock screen Screen lock
42
Pattern.
PIN.
Password.