Lenovo S5 Pro Phone - 6.2 inch, ZUI10/Android 8.1, 3500mAh Built-in, 6GB RAM, US Plug, Black - 64GB ROMKey Features...Display: 6.2 inch, 1080 x 2246 Pixel ScreenCPU: Qualcomm Snapdragon 636 Octa Core 1.8GHzSystem: ZUI10 ( Android 8.1 )RAM + ROM: 6GB RAM + 64/128GB ROMCamera: 12.0MP + 20.0MP rear camera + 8.0MP + 20.0MP front cameraSensor: E-compass, Fingerprint Sensor, Gravity Sensor, Light Sensor..