Use a computer to update your primary email address or phone number. You can't update them on the StubHub app.
- Go to 'Profile' then Settings
- Click the 'Contact' tab
- Click the pencil to the right of the default contact info (your default contact has a 'Primary contact' indicator below the address)
- Update the email and/or phone number and 'Save'
After updating your email address, you'll be logged out of your StubHub account. Log back in using the new email address and your existing password.