Hello every one.i I am using Redmi 4A is a best phone.5.5 inch HD display.It has Qualcomm processor.It’s battery backup is very good.it has 2 gb RAM and 16 GB hard disk.Sound quality is very good.Style and design is so beautiful.It has 3 colors such as black, white and golden.As my friends review this product is very good as per price.Sound quality is very very good.it has high HD display than other phones .Overly it is very good.