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 ""Settings""

Scroll to and select ""Security & privacy""

Scroll to and select ""More settings""

Select ""Encryption and credentials""

Select ""Set SIM lock""

Select ""SIM 1"" or ""SIM 2"" and 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, go to the ""Security & privacy"" menu and select ""Lock screen password""

Select ""Set lock screen password""

Select ""CHANGE UNLOCK METHOD""

Select ""Pattern""

Draw an unlock pattern

Draw the unlock pattern again

Select ""Done""

Select ""CANCEL""

Your phone is now secure with a screen lock