Telstra T86 - Security; Set Screen Unlock Pattern;PIN

SECURITY
SET A SCREEN UNLOCK PATTERN, PIN, OR PASSWORD
Protect your phone from unauthorised use by creating a personal
pattern, PIN or password. Use a pattern, PIN or password you can
easily remember.
 Tap Home > Options > System settings > Security > Screen lock
 Choose from Swipe, Pattern, PIN or Password.
 Example for Pattern:
 Draw a pattern of your choice, tap Continue
 Draw the pattern again and tap Confirm.
 We recommend you register a Google account before setting your
unlock pattern, PIN or Password. After five incorrect entries press
Forgot Pattern to enter your Google account password to reset the
screen lock.