Ulefone Armor 3 Smart Phone OS: Android; OS ver: Android 8.1 Oreo; SIM: Nano SIM , Dual SIM , Dual Standby; CPU: MediaTek Helio P23Octa-core; Processor Speed: 2.5 GHz; Storage: 64GB; RAM: 4GB; External Storage: Up to 256GB; Battery: Li-Polymer 10300mAhQuick ...