A batter smartfone of Mi is redmi 3s prime .it comes with 13mp back camra 5mp front camra 4000mah batter wich gives full day backup fingarorint sencer. this all features in a singke phone at a loweat price range of rs 8999 only. this wass a dream for me that I can soand 12000 or 15000 for that much featured phone but I do not have that much money to soand on mobile phone but Mi redmi 3s prime maje my dream true this was a wonferfull phone its featur are good any one can run this phone without any problam .i alwesh prefar to all about this phone and I bought 3 phones for my brother and my sister and for me.only one problam I phase that on hotspot thi phone get more heat as comoare to other but thates not a majar phine this was a wo derfull phone in this price range