LG Stylo 2 Plus LG-K550 - Manual (Page 37)

Basics 36
Setting up the Knock Code feature
1 Tap > > Display tab > Lock screen > Select screen lock >
Knock Code.
2 Tap the squares in a pattern to set your Knock Code. Your Knock Code
pattern can be 6 to 8 taps.
Unlocking the screen using the Knock Code
You can unlock the screen by tapping the Knock Code pattern you already
set, when the screen turns off.
Changing the screen lock method
You can change the way that you lock the screen to prevent others
accessing your personal information.
1 Tap > > Display tab > Lock screen > Select screen lock.
2 Select a desired screen lock from None, Swipe, Knock Code, Pattern,
PIN and Password.
NOTE
Ţ Create a Google account before setting an unlock pattern and remember the
Backup PIN you created when creating your pattern lock.
Smart Lock
You can use Smart Lock to make unlocking your phone easier. You can set
it to keep your phone unlocked when you have a trusted Bluetooth device
connected to it, when it's in a familiar location like your home or work,
when it recognizes your your face or voice, or when it detects it's on your
body.
Setting up the Smart Lock feature
1 Tap > > Display tab > Lock screen > Smart Lock.
2 Before you add any trusted items or on-body detection, you need to
set up a screen lock (Knock Code, Pattern, PIN or Password).