Samsung has reportedly certified the SM-M015G/DS, a device thought to be called the Galaxy M01 on its launch. This is because it has virtually the same specs as the pre-existing, ultra-budget Galaxy A01 - albeit with enhanced battery life.
https://www.notebookcheck.net/The-Samsung-Galaxy-M01-is-the-Galaxy-A01-with-a-larger-battery-new-leaks.463383.0.html