How do I update my billing information?

To update billing information for an Optus Mobile account, the individual would typically need to log into their account on the official Optus website. Once logged in, they can navigate to the billing or account settings section. Within that section, there should be an option to update payment methods or billing details. It is important to ensure that all information entered is accurate to avoid any disruptions in service or billing issues. Additionally, if the individual prefers or has difficulty with online updates, they may also wish to refer to the help section on the Optus website for further guidance. The website provides a wealth of information on managing accounts and handling billing inquiries effectively.