Key Features
Screen: 5.8" OLED HD Retina Display
Memory: 3GB RAM ,256GB ROM
CPU: A11 Bionic Chip with 64-bit architecture
Operating System: iOS 11
Camera: 12MP wide-angle and telephoto cameras, 7MP TrueDepth front camera
Battery: Up to 21 hours talk time
High quality is rigorously tested and sold again