MY experience is vivo y51L is everything is perfect for smooth performance one can choose it who always don’t stick with The phone and the back camera are very modes given amazing fantasy good mobile but in this samsung also come samsung on 7 this vivo is very good no heating and hanging problem when compare front camera is very good to back camera and also remember one point amazing excellent mobile battery life super smart wake option 100 present super how long u all use the same mobile like Samsung sony htc ETC. use vivo change our style money save super THANK U VIVO