The Samsung Galaxy M10s now seems to be official. It has appeared on the Android Enterprise database, which reveals it to be a device with 3GB of RAM and 32GB in interal storage. Unlike the original M10, it also has a 6.4-inch display and a fingerprint sensor.
https://www.notebookcheck.net/The-Samsung-Galaxy-M10s-is-now-official-to-be-sold-through-Amazon-India.434732.0.html