To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Worst mobile don't buy , camera quality , battery backup , everything is bad . Hanging No 1 Mobile. Pls pls don't buy Vivo Y51A model. Very very bad mobile. Software is worst always hanging. If anyone have plan to buy pls change urs plans.