How to change your passcode lock?

Note: If the initial steps to set a passcode lock are incomplete, you will not be able to change your passcode lock.
To change your passcode lock
1. Open the Bigin app on your smartphone.
2. Tap the
More 
icon at the bottom right of the screen.
3. Select
Settings 
.
4. Look for the title Privacy & Security.
5. Tap on Privacy & Security > App Lock.
6. Select Change PIN.
7. Enter the current passcode.
8. Enter a new PIN.
9. Re-enter the new PIN.

Once you've set a new passcode, the next time you tap on the Bigin app icon to open the app, you'll need to use the new passcode to enter the app.