Micromax Yu Yureka Android OS, v4.4.4 (KitKat) Cyanogen OS 11 with 5.5 inches 720 x 1280 pixels display powered by Octa Core 1.5 GHz processor ,13.0 MegaPixels Camera, Li-Ion 2500 mAh Battery capacity and 16 GB Storage, 2 GB RAM .