This information update feature is only available on Website version.
1) Find the icon on the top right and goes into profile tab
2) Security Settings
3) Click on "Reset" in Payment Password
4) Enter the new 6 digit payment password, confirm once again, then you will need to verify with your Google Authenticator Code (SMS/Email will be used if Google is not enabled).
5) Once you have successfully verified, your new payment password will be updated immediately.
Please be reminded that withdraw function will be disabled once the password has been reset.