Hi frnds, redmi 4 is the one of the best smart phone with all features.mainly battery backup of mi 4 is superb and camera quality is also good it have also so many features and the quality of the phone is excellent.there are many features available in this phn when compared to the other smart phones beyond the price rs10, 000/-. it is also available in two colours they are 1.black 2.silver it is available 2gb, 3gb, 4gb rams.it has snapdragon 435. it have fringerfrint also.this is the best phone I think beyond the price 10, 000