How to add admin to facebook app

- How to add admin to facebook page app
- How to add admin to facebook page mobile app
- How to add admin to facebook page via app
- How to add someone as admin on facebook app
- How to add an admin to a facebook page on iphone app
- How to add admin to a facebook page
- How to add administrator to facebook page
- How to add admin in fb page
- How to add an admin to facebook business page