Oppo A57 is a new phone by Oppo.It is a nice phone in less price point.As we all know all phones of oppo are awesome and this one is also a awesome phone.My friend have this phone and his personal experience is best.Phone comes with 3GB RAM which is awesome and this phone comes with octa-core processor which gives you nice speed without lagging and this phone have 2900mAh of battery which is again good.Over all phone is awesome and you also have to try this one.I recommend it to you also