It is a very nice phone but having only 1GB ram and the 16GB rom it having very nice version 5.1.1. And in vivo searies y 21l is the best one anf it is pass one it have 1.2ghs proccears and it is snapedragon 430 proccers it is a very advanced one and it is a very less prize only RS7500. I will give to this mobile all 5star rateing and it camera have 5mp and 2mp front and it have night mode it very nice to see the long images very clear and it thimes is very differert all phone and it have so many screen locks in the mobile.