Change screen lock password / PIN
1. Scroll to and touch Settings.
2. Touch Security & Privacy.
3. Touch the Change passcode.
4. Enter the PIN, then touch FINISH.
5. Touch Enter PIN.
6. Enter the new PIN, then touch Continue.
7. Enter the PIN again, then touch FINISH.
8. The screen lock password / PIN has been changed. Touch Home to return to the home screen.