Oppo is a trusted brand and oppo A57 is a model of Oppo company. But but Oppo A57 have some disadvantages. The sound quality of Oppo A57 is not so good on the price. Only the Call Speaker quality is quite good and the battery life of the mobile is quite good . The mobile is user friendly. The style and design of the mobile is quite good but not so good . Only the camera quality of the mobile is good but the price is too high for the features they provided . The phone is not a better option for a gamer or heavy users. Heavy graphics games hangs a lot on the phone.