Samsung Galaxy S III User Manual page 319

4. When prompted, draw the screen unlock pattern again, and then tap Confirm.
 The screen unlock pattern is saved.
5. Enter a backup PIN, tap Continue, re-enter the PIN, and tap Done to save your screen unlock
pattern.
 The screen lock is set.
If you fail to draw the correct unlock pattern on the screen after five attempts, you will be

prompted to wait for 30 seconds before you can try again.
Note: Clear the Make pattern visible check box if you do not want the unlock pattern to display on the
screen when you unlock it.
Note: To change your unlock screen pattern, from home, tap Apps
Lock Screen > Screen lock.
Settings
> Settings > My device tab >
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