LG G3 User Manual page 50

The Basics
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None: No Lock screen is enabled so the screen will never be locked
from use.
Swipe: A swipe motion in any direction on the touchscreen will unlock
the screen. This is the default Lock screen that simply guards against
unintentional actions.
Knock Code: Unlocks the screen using a tapping a sequence on the
screen's 2x2 grid. (When the screen is in time-out, the 2x2 grid is
invisible, but the grid is displayed on the Knock Code Lock screen.) The
first time you set a Knock code, you'll see a tutorial with instructions on
how to create it. Tap a sequence on the 2x2 grid (from 6 to 8 taps), then
tap DONE. Tap your sequence again and tap CONFIRM.
NOTE You're prompted to create a Backup PIN as a safety measure in case you forget your
Knock code unlock sequence.
Pattern: Unlocks the screen using a pattern you draw with your finger.
The first time you set an unlock pattern, you'll see a tutorial with
instructions on how to create it. Read the tutorial, then tap NEXT. Draw
your pattern (connect at least 4 dots) and tap NEXT. Then redraw your
pattern and tap CONFIRM.
NOTE You're prompted to create a Backup PIN as a safety measure in case you forget your
unlock pattern sequence.
PIN Unlocks the screen with a number sequence. Enter a PIN (at least 4
digits) and tap NEXT. Reenter your PIN and tap OK to confirm it.
Password Unlocks the screen with an alphanumeric sequence. Enter a
password (at least 4 characters) and tap NEXT. Re-enter your password
and tap OK to confirm it.
From then on, any time you want to unlock the screen, you'll need to
perform the unlock action you set (swipe, knock code, pattern, PIN, or
password) to gain access to it.
Disabling a Screen Lock
1. From the Home screen, touch and hold the Recent Apps Key
Touch Keys bar) > Lock screen settings.
2. Tap Select screen lock.
3. Confirm your unlock information (if necessary).
4. Tap None.
(in the