Find "Screen lock"
Slide your finger downwards starting from the top of the screen.
Press Screen lock. If you haven't previously selected a phone lock code, key in a code of your own choice twice.
Create phone lock code using a pattern
Slide your finger across the screen to connect at least four points and press CONTINUE.
Repeat the selected phone lock code and press CONFIRM.
Select setting for displaying notifications on the lock screen
Press the required setting.
Turn off use of phone lock code
Press Screen lock and key in the current phone lock code.
Return to the home screen
Press the Home key to return to the home screen.