Friends im sharing my own experience about Oppo Camera phone . This set is one of the best set of oppo friends its really awasome. The sound of this Oppo a57 is very good and clear. And friends the design of this mobile phone is also attractive and alsoeay and easy ti carry any where. style of Oppo A57 is also different and user friendly.Friends as you know oppo is a camera phone yes its true really the camera of this phone is also very fantastic. The look of this Oppo A57 is very attractiveand good . Battery Backup is also very good. In this price you cant take any other mobile with lost of features like this Oppo A57. So friends in my openion Oppo A57 is very useful Thank you friend.