Mi a1 is very beautiful to look at.mi a1 is the king of the phone. iam using it for a long time. it looks very good to me.its battery backup is very goood. ram of mi a1 is 4gb. its internal memory 64 gb . I say mi phone is the best product in the market. all my friends follow this and use it. it has a very low hang of 4gb ram.the camera is very good.mi a1 is very beautiful and very cute in appearnce, iuse it every day and I will continue to use it even further