Samsung GT-S5830L User Manual page 28

2
Drag the slider to adjust the level of brightness.
3
Select OK.
The brightness level of the display will affect how
quickly the device consumes battery power.
›
Set a screen lock
You can lock the touch screen with an unlock pattern or
password to prevent unauthorized 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 Center to reset it.
•
Samsung is not responsible for any loss of security
codes or private information or other damages
caused by illegal software.
28
Getting started
Set an unlock pattern
1
In Idle mode, open the application list and select
Settings Location and security
→
Pattern.
→
2
See the on-screen instructions and example patterns
and select Next (if necessary).
3
Draw a pattern by dragging your finger to connect at
least 4 dots.
4
Continue.
Select
5
Draw a pattern again to confirm.
6
Confirm.
Select
Set an unlock PIN code
1
In Idle mode, open the application list and select
Settings Location and security
→
PIN.
→
2
Enter a new PIN (numeric) and select
Set screen lock
→
Set screen lock
→
Continue.