Because Stunning Super AMLOED display,
Latest octa-core processor,
13MP Primary Camera with flash,
5 MP selfie camera with flash,
Dual standby Sim support( LTE+GSM), Dual Sim, VoLTE, 4G, 3G, Wi-Fi
Octa Core, 1.5 GHz Processor
1.5 GB RAM, 16 GB inbuilt,
3000 mAH5.5 inches, 720 x 1280 px display,
Memory Card Supported, upto 128 GB
Android, v5.1 Battery and product is so good and slim this product is very cool