To change your password or the PIN code, you first click on "More" from your "Dashboard" menu:




Then click on Settings:



1. Password change: click on the pencil icon next to the password:



Type in your new password and then type it again to confirm it, submit that by clicking on Change password:



2. PIN code change: click on the pencil icon next to the Change PIN code:




Type in your new PIN code and then type it again to confirm it, submit that by clicking on Save:



Well DONE! Your PASSWORD/PIN has been successfully changed.