In the app, go to the Settings page, then scroll to the section you want to update.

At the top of the page you’ll see Personal Information, which includes your name and phone number. When you’ve finished updating your info, click Update Personal Info to save it.

At the bottom of the page, you can update your billing and mailing addresses by filling out the form with your new details, then clicking the Update Billing Address or Update Mailing Address button.