The Xiaomi Mi 4 was announced in 2014, July. Released 2014, August With 5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio) IPS LCD, Powered by Qualcomm MSM8974AC Snapdragon 801 (28 nm) and running Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10, the device delivered smooth performance and multitasking capabilities. Its 13 MP, f/1.8, 1/3.1", 1.12µm, AF rear camera captured crisp photos and 4K@30fps, 1080p@30fps, 720p@120fps, HDR video, while the Li-Ion 3080 mAh, non-removable ensured long-lasting usage.