Samsung GalaxySIII User Manual page 298

5. Draw your pattern by touching your first on-screen
point. Then, without removing your finger from the
screen, drag your finger over adjacent points until the
gray trace line overlaps each point and they are
highlighted with a green circle.
6. When you have connected at least four dots in a
vertical, horizontal or diagonal direction, lift your finger
from the screen and tap Continue.
7. Confirm the new pattern by redrawing it and then
tapping Confirm. The Unlock pattern is set.
8. Enter the backup PIN code and tap Continue.
9. Reenter the PIN to reconfirm the previous entry and tap
OK.
Changing the Screen Lock Pattern
This feature allows you to change the previously stored
unlock pattern and update it if necessary. This process is
similar to changing your password from time to time.
1. Press
2. Tap Screen lock.
3. Retrace your current pattern on the screen.
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and then tap Settings Security.
4. Tap Pattern and repeat steps 3 - 7 from the previous
section.
Deleting the Screen Lock Pattern
1. Press
2. Tap Screen lock.
3. Retrace your current pattern on the screen.
4. Tap None.
PIN Lock and Unlock
1. Press
2. Tap Screen lock
3. Enter a PIN number using the numeric keypad and
touch Continue to confirm the password.
4. Confirm the PIN by re-entering it and tap OK to confirm.
Your phone now requires you to enter this PIN number
in order to unlock the phone.
and then tap Settings
and then tap Settings
PIN.
Security.
Security.