Xiaomi Redmi 3S prime is one of the bst mobile phone with such a cheap cost of just 9000 rs. With having 3gb ram and 32 gb internal storage . Having light in weight slim set and with 5 display . having dual sim with finger print sensor and having quard core 1.4 ghz processor . Having 128 gb expandable memory in this and 13 mp rear camera phase auto focusing and 5 mp front camera with having usb connected system in it . And it will also have a good battry backup capacity it will carry 4100 mah battry of li-o company. According to me it is the bst mobile ever . it really amazing device .