Right after releasing, the duo Galaxy S7 sport the feature of protection against dust nad water due to the standards IP68.That means The IP68 dust- and water-resistance Ingress Protection rating means your device is completely protected against dust, and it is water-resistant in up to 5 feet of water for up to 30 minutes.

The first duo Galaxy features water and dust resistance
Samsung has used alkaline and platinum in the connectors such as headphone jack and a USB charging port with corrosion-resistant materials such as alkaline and platinum.
Besides, to prevent water and moisture inside Galaxy phone, Samsung has used silicon elastic in between the contacts. Liner narrow bezel design also ensures water can not permeate. Also it also included a special connection technology allows separate the metal frame antenna, alternative methods of plastic resins used in previous devices. In addition, the easy part in contact with the air, Samsung also added a layer coated against corrosion. All create a harmonious product with very high aesthetics.
In fact, the duo Galaxy S7 surpassed the limits of the rigorous tests which had been done several times before producing.

In particular, unlike the previous waterproof device, this duo is easier to fix. After reparing Samsung Galaxy S7 still maintains water and dust resistant.