If you see a "Duplicate Identity" warning on belo's home screen, you shouldn't worry. What probably happened is that you logged in to the app again with your same identity, but with a different email address than the one you originally used for your registration.
Click on your photo on the home page
There you will see your profile. At the top right, click on the icon to log out.
Now click on "I already have an account".
Login to the app with your original email (the first email you received from belo).
If you have any questions, you can contact our support team through the app or via email at [email protected].