Samsung GT-15510 user manual → Pattern, → Pin, → Password

•Once you set a screen lock, your device will require an unlock code each time you turn it on or unlock the touch screen.

•If you forget your PIN or password, bring your device to a Samsung Service Center to reset it. Before bringing your device to a Samsung Service Center, remember to make backup copies of all important data stored on your device.

•Samsung is not responsible for any loss of security codes or private information or other damages caused by illegal software.

Set an unlock pattern

1	In Idle mode, open the application list and select
	Settings → Location & security → Set up screen lock
2	→ Pattern.
	See the on-screen instructions and example patterns
	and select Next (if necessary).

3	Draw a pattern by dragging your finger to connect at
4	least 4 dots.
	Select Continue.
5	Draw the pattern again to confirm.
6	Select Confirm.
Set an unlock PIN code
1	In Idle mode, open the application list and select
	Settings → Location & security → Set up screen lock
2	→ PIN.
	Enter a new PIN (numeric) and select Continue.
3	Enter the PIN again and select OK.
Set an unlock password
1	In Idle mode, open the application list and select
	Settings → Location & security → Set up screen lock

→ Password.

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