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Face unlock
When enabled, you unlock the device by looking at the
screen. This option offers low security, because someone
who looks similar to you could unlock your device, but you
can also set up backup unlock by PIN or pattern.
1. From the Home screen, touch
Apps
➔
Settings
➔
Security
.
2. Touch
Screen lock
➔
Face unlock
, then follow the
prompts to set it up.
3. After setting up Face unlock, configure other options:
• With swipe lock
: When enabled, a lock screen displays that
you must swipe to unlock, then your chosen lock screen is
displayed to unlock the screen.
• Lock screen options
: Set options for the lock screen:
–
Clock
: When enabled, a clock displays on the lock screen.
–
Dual clock
: When turned On, a dual clock displays on the lock
screen when roaming, to show the time in two zones.
–
Help text
: When enabled, helpful tips display on the screen
about using your device.
• Improve facial recognition
: Follow the prompts to capture
your face image in different conditions, to improve face
matching.
• Make pattern visible:
If you set up backup unlock by pattern,
this setting controls whether the pattern you draw displays as
you draw it to unlock.
• Lock automatically
: Set a time period, after which the screen
will lock when the backlight times out.
• Lock instantly with power key
: When enabled, pressing the
Power/Lock Key locks the screen. When disabled, pressing the
Power/Lock Key dims the screen, but the screen does not lock
until the screen times out.
• Owner information
: When enabled, text you enter displays on
the lock screen. Enable the setting, then enter text to display.
• Disable USB debugging mode
: When enabled, USB
debugging is not allowed when connecting a USB cable while
the screen is locked. USB debugging is a Developer option; see
“USB debugging”
on page 107.