Lock Or Unlock The Touch Screen And Keys; Get To Know The Idle Screen - Samsung GT-I9100 Galaxy S II User Manual

Double-tap: Tap twice quickly with your finger to zoom in
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or out while viewing photos or web pages.
Your device turns off the touch screen when you do
●
not use the device for a specified period. To turn on
the screen, press the Power/Lock key or the Home
key.
You can also adjust the backlight time. In Idle mode,
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open the application list and select Settings
Display

Lock or unlock the touch screen and keys

You can lock the touch screen and keys to prevent any
unwanted device operations.
To lock, press the Power/Lock key. To unlock, turn on the
screen by pressing the Power/Lock key or the Home key, tap
anywhere on the screen, and then drag your finger outside of
the large circle.

Get to know the idle screen

When the device is in Idle mode, you will see the idle screen.
From the idle screen, you can view your device's status and
access applications.
The idle screen has multiple panels. Scroll left or right to
a panel of the idle screen. You can also select a dot at the
bottom of the screen to move to the corresponding panel of
the idle screen directly.
Screen timeout.
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Getting started
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