Yu Yureka features a 5.5″ 720 x 1280 IPS LCD display with Gorilla Glass 3. It’s powered by a 64-bit 1.5GHz octa-core Snapdragon 615 processor, Adreno 405 GPU and 2GB of RAM. Internal storage comes in at 16GB, which is expandable to 32GB via microSD card. The rear camera sports a 13MP Sony Exmor CMOS sensor with an F/2.2 aperture, while the front facing camera features a 5MP sensor. All this is backed by a 2500mAh battery.
Yu Yureka runs on modified Cyanogen OS but you can install the stock CM 12.1 ROM on it. It will not contain any bloat and it will offer better performance. Also, you will get the latest Android 5.1.1 OS. Follow the guide below.