According to industry sources, ASUS plans to shake up its smartphone business this year to make the division profitable. The strategy change includes releasing a more expensive ROG Phone, the ROG Phone 5, and a ZenFone Mini.
https://www.notebookcheck.net/ASUS-is-set-to-revitalise-its-smartphone-business-with-a-ZenFone-Mini-ROG-Phone-5-launching-by-April-at-a-higher-price-than-the-ROG-Phone-3.518024.0.html