No1 X1 Rugged Smartphone - IP68 Rating, 5 Inch IPS Screen, 5MP+13MP Dual Camera, GPS, 3300mAh Battery, Android OS (Black) The No.1 X-Men X1 is a 7-proof rugged smartphone with an IP68 rating, featuring a 5 inch screen, Android OS, 3300mAh battery, and 5MP+13MP dual camera. 6941377707403 5 Inch Android Phones Android Phones No.1 X1 Rugged Smartphone (Black)