Hello friends. Its just wastage of your money, the picture quality which a poor as compared to other phones. I brought this phone 3 months ago. And now this phone not working properly give me problems. This phone have not more feature like this price in any other phone. It was costly. RAM and ROM of this phone is suitable according to in this price. Oppo a57 navigation buttons are not backit. Please friend Dont buy this phone. Thanks you