Touch Power off.
Waking Up Your Phone
1.Press the Power Key to activate your screen display.
2.Touch and hold any blank area of the screen to unlock it.
NOTE:if you have set an unlock pattern,or a PIN/password for your
phone,you will need to draw the pattern or enter the PIN/password
to unlock your screen.
Touchscreen
Tapping
To open an app, to select a menu item, to press an on-screen button,
or to enter a character using the keyboard on the screen, tap it with
your finger.
Dragging
To move an item, tap and hold it and drag it to the target position.
Tapping and holding
Tap and hold an item or the screen for more than 2 seconds to
access available options.
Double-tapping
Double-tap on a message conversation to zoom in. Double-tap again