The Hisense website says that it runs Android 7.0.

5.99 inches IPS Capacitive 2.5D Curved Glass Display, 720 x 1440 pixels

Android OS, MediaTek MT6737T, Quad-Core 1.5 GHz, Mali-T720MP2

Internal Memory: 16GB, 2GB RAM – microSD Up 128GB

13MP Camera f/2.2 aperture, LED Flash, Wide-Angle Lens – 82 Degree & 8MP Front Camera with f/2.2 aperture, LED Flash

18:9 screen aspect ratio

UMTS 900 / 1900 / 2100;
4G Network: LTE Bands –
FDD LTE: 800 / 900 / 1800 / 1900 / 2100 / 2600, TDD LTE: B38(2600) / B40(2300)