To update personal information on a policy with Mondial Assistance Group, individuals typically need to access their account through the Mondial web portal or contact customer support. The process may involve logging in using account credentials, navigating to the section for policy management, and entering the required updates such as changes in address, telephone number, or other personal details. It is important to review the specific guidance provided on the Mondial Assistance website, as there may be distinct steps for different types of policies. In some instances, documentation may be required to confirm changes. If assistance is needed beyond what is available online, individuals are encouraged to consult the current web page for contact information to reach customer service representatives who can provide further guidance.