Zte V800 User Manual page 13

After the phone switches to the sleep mode, the screen will be turned off and
locked. In this case please awake your phone and unlock the screen if you
want to use your phone.
1. Press the Power key to turn on the screen.
2. Press the icon and drag it to the right to unlock the screen. If you've
set unlock pattern, you need draw the unlock pattern to unlock. (for
details, please see Settings
lock Pattern. )
Location & security Set up screen
11