Ulefone Armor X31 Pro official Pictures. Ulefone Armor X31 Pro is a Smartphone of ulefone. The Ulefone Armor X31 Pro Android Smartphone. Announced Dec 2024. Features 6.56″ Display Dimensity 6300 Chipset 6050 MAh Battery 256 GB Storage 8 GB RAM MIL-STD-810H Compliant Corning Gorilla Glass 5. Ulefone Armor X31 Pro price starts.