Ulefone Armor 21 official Pictures. Ulefone Armor 21 is a Smartphone of ulefone. The Ulefone Armor 21 Android Smartphone. Announced May 2022. Features 6.58″ Display, MT8781 Helio G99 Chipset, 9600 MAh Battery, 256 GB Storage, 8 GB RAM, MIL-STD-810H Compliant. Ulefone Armor 21 price starts.