To update personal details on Ola, a user can typically follow the process provided within the app or website. First, the user should log in to their Ola account, which is usually accessible through the mobile application or the official website. Once logged in, the user can navigate to the profile or account settings section. There, options to edit personal information such as name, phone number, email address, and payment methods are generally available. After making the necessary changes, it is advisable to save the updated information. If users encounter any issues or require further assistance, they may refer to the help or support section on the Ola website, which may provide additional guidance or options for contacting customer support.