The Samsung Galaxy Xcover 4 is a rugged mid-range Android-based smartphone manufactured, developed, produced and marketed by Samsung Electronics and released in April 2017. It is the successor to the Galaxy Cover 3. The Xcover 4 is waterproof and dustproof, designed around the IP68 specifications. The Samsung Galaxy Xcover 4 has models SM-G390F, SM-G390W, and SM-G390Y. This phone has been succeeded by the Galaxy Xcover 4s, the Galaxy Xcover FieldPro, and the Galaxy Xcover 5. References