LG G pad 10.1 Guide De L'utilisateur page 498

WARNING
To protect your tablet and personal data, only download applications
from trusted sources, such as Play Store. If there are improperly installed
applications on your tablet, the tablet may not work normally or a serious
error may occur. You must uninstall those applications and all associated
data and settings from the tablet.
3. Using a Screen Lock
Set an screen lock to secure your tablet. Tap
Settings > Display > Lock screen > Select screen lock and select a
desired screen lock from Swipe, Knock Code, Pattern, PIN and Password.
You can create a Backup PIN as a safety measure in case you forget your
screen lock.
Caution: Create or sign into a Google account before setting a screen lock
and remember the Backup PIN you created when creating your screen lock.
WARNING
Precautions to take when using a screen lock.
It is very important to remember the screen lock you set. You will not be
able to access your tablet if you use an incorrect screen lock 5 times. You
have 5 opportunities to enter your unlock pattern, PIN or password. If you
have used all 5 opportunities, you can try again after 30 seconds.
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