1 Find "Location & security"
Press the menu icon.
Press Settings.
Press Location & security.
2 Choose option
Choose one of the following options:
Activate phone lock code, go to 2a.
Deactivate phone lock code, go to 2b.
Activate phone lock code, go to 2a.
Deactivate phone lock code, go to 2b.
3 2a - Activate phone lock code
Press Set unlock pattern.
Press Next.
Press Next.
Press and drag a point to connect at least four points.
Press Continue.
Repeat the selected phone lock code to confirm.
Repeat the selected phone lock code to confirm.
Press Confirm.
4 2b - Deactivate phone lock code
Press Require pattern to deactivate the phone lock code.
Press and drag a point to connect the points in the existing phone lock code.
When the box next to the menu item is empty, the phone lock code is deactivated.
5 Exit
Press and hold the Return key to return to standby mode.