The document reviews the Xiaomi Mi 4 smartphone. It has a 5-inch full HD display, is powered by a quad-core Snapdragon 801 processor and 3GB of RAM. It has a 13MP rear camera and 8MP front camera. It runs Android KitKat with the MIUI interface and has a large 3,080mAh battery. The review praises the phone's stylish design, gorgeous display, powerful performance and very good battery life.