Redmi 3s prime is a very good smart phone. It haves a very wonderfull battery backup .and it is very low budjet phone.and high defenition display.and it is advanced features.every one can buy this mobile it is low price .9000.it good looking phone. And the software very speed we install a more app in this phone .it will never hangs .and it will never heats .some time it will heats when we are playing a big games.we will watch high defanition video. never stucks a video .and internet browsing is very speed .i like this mobile