Vivo is a most reputated brand and becomin a most popular phone now a days.vivo y51l has its own advantages and disadvantages.
Advantages: -
1.excellent sound system
2.amazing picture clarity
3.stylish design
4.perfect for selfies
5.better cpu perfomance
6.frequent updates
7.good customer service
Disadvantages: -
1.very expensive for the given features
2.average battery life
3.poor display quality
4.less internal starage
5.inbuilt battery