Oppo a57 very good phone.i dont know why other says bad about oppo.
the main highlights off this phone is its camera.both cameras are good takes good pictures even in low light its beauty mode is also good.best fingerprint sensor.no hanging.touch is soo good.good looking phone.
pros:
perfect screen size no to big not to small, just perfect.
great selfi camera.
comes with fingerprint scanner for quick you locing phone.
has snapdragon processor for good performance and lte chip.
cons:
it taking 3hours to get charge.
charging is less than 16hours.
for selfies it focusing on the person, not on surrounding.