Samsung GT-S5820 User Manual page 37

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Set a screen lock
You can lock the touch screen with an unlock pattern or
password to prevent unauthorised people from using the
device without your permission.
•
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 Centre to unlock it.
•
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
→ Pattern.
2
See the on-screen instructions and example patterns
and select Next.
3
Draw a pattern by dragging your finger to connect at
least 4 dots.
4 Continue.
Select
5
Draw a pattern again to confirm.
Confirm.
6
Select
36
Getting started
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Location & security
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Set up screen lock