The samsung galaxy s7 is the 2016 flagship of the samsung which is the greatest of android phones ever created.the display is full hd 5.1 inch and phones comes with waterproof and dust proof features.the battery is bigger now i.e 3000 mah and the touchwiz version is also new.the device comes in with sd card expansion now.battery in non removable.touch is awsome .there is no lag in the system but only thing is that it is more of costly than that of its features.no doubt awsome device.