My friend was bought redmi 4 64 gb it was very good product13MP primary camera with 5 element lens, f/2.0 aperture, PDAF supported and 5MP front facing camera12.7 centimeters ( 5-inch) capacitive touchscreen with 1280 x 720 pixels resolution and 293 pixel densityAndroid v6.0.1 Adreno 505 GPU, 4GB RAM, 64GB internal memory expandable up to 128GB and dual SIM ( micro+ nano) dual-standby ( 4G+ 4G)