The first budget smartphone from xiaomi which has 3 gb of ram under 10k price .the 3s prime has a 5 inch 720 pixels . Hd display with a fingerprint scanner .a great battery life of 4100 .jst bcoz of its display resolution is less nd prosseser is small as compared to note 3 it has a higher on screen capacity .it can go upto 7 to 8 hours on screen .it has a 13mp of back camera and a 5 mp of front camera .with a 3gb of ram and 32 gb of onboard storage .it use to come in hybrid sim slot and a ir blaster under 10k which is a great deal. it is a best smartphone under 10k if u want a handfit , 5inch smartphone.u can buy this from mi.com nd many other online website