Oppo A57 is not so spacial and not so much good like F1s so I don’t like it.
Disadvantages: (
•First con of OPPO A 57 : NO LED flash on front camera.
NON-Removable battery.
•According to Display Resolution : 2900 mAh is not Sufficient for users.
Advantages: )
•5.2 inchs display + Protection of Gorilla Glass 3, Good resolution display ( 720 * 1080) pixels.
•Oppo Offer ( High Performance Processor in Misd-Segment Price range) , 1.4 GHz Octa-core ( Qualcomm snapdragon 435) with Adreno 505 GPU.
•Good Performance of Finger Print Sensor, Sense the •Fingerprint very Fast
•Easily do Multitasking with 3 GB of RAM
•Camera Review : Rear Camera is 13-megapixels with aperture of f/2.2 + PDAF ( Phase detection Auto focus camera) with powerful LED flash.
•Front Camera Review : Oppo always focus on front camera, This time oppo again offer 16-megapixels with aperture of f/2.0 + 1.4 micron pixel + Beautify 4.0) . Beautify 4.0 help to capture amazing photo effect like DSLR photo effect.
•Its Runs on latest Operating System Android 6.0 ( Marshmallow) and up-gradable in Android 7.0 I don’t like it but its don’t matter if you like.