Before you start

If you would like to change the SIM pin code, start from the next step. If you would like to set up a lock screen on your phone, jump to step ""12"". Make sure you have your Public SIM PIN before you start the guide.

Select ""Apps""

Select ""Settings""

Scroll to and select ""Security & location""

Scroll to and select ""Advanced""

Scroll to and select ""SIM 1 card lock"" or ""SIM 2 card lock""

Select ""Change SIM PIN""

Enter your ""Old SIM PIN"" and select ""OK""

Enter your ""New SIM PIN"" and select ""OK""

Confirm your new ""SIM PIN"" and select ""OK""

Your ""SIM PIN"" has been changed

To activate your screen lock, return to the ""Security & location"" menu and select ""Screen lock""

Select ""Pattern""

Select your preferred option

Draw an unlock pattern and select ""NEXT""

Draw the unlock pattern again and select ""CONFIRM""

Select your preferred option and select ""DONE""

Your phone is now secure with a screen lock