Vivo y21l is smart phones but also smart.
It have only 1gb ram, but we can use over 2gb
I have also vivo y21l, it never hang, its work smoothy, smarter thane other devices.
Its battery is only 2200 mah, But laast longer.
Vivo is also known as camera phone its true, it have fine picture results
Its mrp is only 7500 so anybody can buy.
Its simly better & smaarter device
It have so good operating system-funtouch.
Its so good feature.
So its best smart phones in just rs. 7500
Others device not like it.