Oppo launched his mid budget category smartphone oppo a 57 this year which price is 15k.The smartphone comes with decent specs and configuration.It has a 4gb ddr 3 Ram with 32 gb internal storage and expendable upto 256 gb.5.5inch hd displayResolution of the screen is 720* 1080It comes with gorrila glass 4 for screen protectionAndroid 6.0 marshmallo operating system with his own color os which is based on android. SOC is 1.5ghz octacore snapdragon 435 chipsetAnd main highlight of this phone is its 16 MP front camera comes with f2.0 aperture which is very nice and 13mp rear cameraI am using this phone previous 4 months and its really good processor is really good.High graphical games are running good.32 gb internal sufficient storage and its both side of camera is really nice thing mostly I like.So in15k I can recommend this bcoz its good device I didn, t face any problem till now3.5out of 5