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To adjust the idle time before the screen turns off
1
From your Home screen, tap .
2
Find and tap Settings > Display > Sleep.
3
Select an option.
To turn off the screen quickly, briefly press the power key .
Screen lock
There are several ways to lock the screen. The security level of each lock type is
listed below in order of weakest to strongest:
•
Swipe – no protection, but you have quick access to the Home screen
•
Face Unlock – unlocks your device when you look at it
•
Unlock pattern – draw a simple pattern with your finger to unlock your device
•
Unlock PIN – enter a numeric PIN of at least four digits to unlock your device
•
Unlock password – enter an alpha-numeric password to unlock your device
It is very important that you remember your screen unlock pattern, PIN or password. If you
forget this information, it may not be possible to restore important data such as contacts and
messages.
To set up the Face Unlock feature
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Tap Face Unlock, then follow the instructions in your device to capture a photo
of your face.
3
After your face is successfully captured, tap Continue.
4
Select a backup unlock method and follow the instructions in the device to
complete the setup.
For best results, capture your face in an indoor area that is well lit but not too bright, and hold
the device at eye level.
To unlock the screen using the Face Unlock feature
1
Activate the screen.
2
Look at your device from the same angle you used to capture your Face
Unlock photo.
If the Face Unlock feature fails to recognise your face, you must use the backup unlock
method to unlock the screen.
To create a screen lock pattern
1
From your Home screen, tap .
2
Find and tap Settings > Security > Screen lock > Pattern.
3
Follow the instructions in your device.
If the unlock pattern you draw on the screen is rejected five times in a row, you can select to
either wait 30 seconds and then try again, or, if you have a Google account set up on your
device, enter your account information (password and username) to unlock the device.
To change the screen lock pattern
1
From your Home screen, tap
.
2
Find and tap Settings> Security > Screen lock.
3
Draw your screen unlock pattern.
4
Tap Pattern and follow the instructions in your device.
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