Samsung Galaxy a7 2017 very excellent mobile.camara, picture, Display, battery allwase performance is very good I haved used this phone for last 10 days it working fine ^ should say its a nice phone it runs Android 6.0 Marshmallow with no word on an update, you gotta give props to Samsung for the phone’s amazing 22-hour battery life ( which we got looping a video in airplane mode) .