Let me share you some important factors which is very usefull all of you. And my personal request before you purchase any kind of smart phone please read this.1st thing before you purchase look the RAM and ROM.RAM must be 2gb or more but not buy less then 2gb. And 2nd thing battery Mah, how many mah battery yoy have. Battery must be 3000mah if more thats good.And we comes next camera.If back is13mp and front cam is8mp then thats good. Mobile size 4.5’-5’ , between these sizes are good and handy. And come to the brand, I’m not tell any brand. Choose your best brand and buy best smartphone.THANK YOU.