the phone adjust the screen brightness automatically, or drag the
slider to adjust the brightness manually.
Protecting Your Phone With Screen
Locks
You can protect your phone by creating a screen lock. When it is
enabled, you need to touch and hold certain icon, look at the front
camera, draw a pattern or enter a numeric PIN or a password to
unlock the phone's screen and keys.
1.Touch the Home Key >
2.Touch Screen lock.
3.Touch Pattern, PIN or Password.
If you touch Pattern, you're guided to create a pattern you
must draw to unlock the screen. The first time you do this,
a short tutorial about creating an unlock pattern appears.
Then you're prompted to draw and redraw your own
pattern.
If you touch PIN or Password, you're prompted to set a
numeric PIN or a password you must enter to unlock your
screen.
NOTE:
Screen lock options are listed in the approximate order of the
strength of their security, starting with None, which provide no
security. A pattern provides minimal security, although it can be
more convenient than the stronger options.
> Settings > Security.
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