Xiami redmi 4 has continued basic redmi formula which was a trend setter among many youngsters and mjddle aged peoples.It is easy to use the phone by one hand.finger print senser is so sensitive , there is no time lag for unlocking the phone.A notification led ia provided just below the home button so that it will make us aware.phone is affordable, and somany spexifications including high megapixel camera for affordable price.Realy good phone for daily usage