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.
2
Swipe up
3
Scroll to and select ""Settings""
4
Scroll to and select ""Security and privacy""
5
Scroll to and select ""More security and privacy""
6
Scroll to and select ""SIM lock""
7
Select ""Change SIM PIN""
8
Enter your ""Old SIM PIN"" and select ""OK""
9
Enter your ""New SIM PIN"" and select ""OK""
10
Confirm your new ""SIM PIN"" and select ""OK""
11
Your ""SIM PIN"" has been changed
12
To activate your screen lock, go to the ""Security and privacy"" menu and select ""Device unlock""
13
Select ""Screen lock""
14
Select ""Pattern""
15
Draw an unlock pattern and select ""Next""
16
Draw the unlock pattern again and select ""Confirm""
