Turn use of phone lock code on or off
The phone lock code prevents others from accessing the contents of your mobile phone (pictures, messages etc.). When the phone lock code is turned on, it needs to be used every time you turn on your mobile phone and when it has been in sleep mode.
Find "Screen lock"
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Tap Lock settings.
Tap Screen lock.
Create phone lock code using a pattern
Slide your finger across the screen to connect at least four points and tap Continue.
Repeat the selected phone lock code and tap Confirm.
Tap the required setting.
Turn off use of phone lock code
Tap Screen lock and key in the current phone lock code.
Return to the home screen
Tap the Home key to return to the home screen.