Hi this phone is owesume with ots miui 8 and gives you stable battery life you can use it for 24 hours with online internet data. Better stabilty and less powe consomtion. Less effort for every task many features come built in like applock doddle, flashlite, file hider and much more. Camera is also improved in mi note 4. No lag in gaming or in any opration.selfi camera is improved and back camera comes with cmos.stylish, light in wait u never feel like you hold a phone with 4000+ battery. Easy to handel compas falsh light calling. Best phone in mi range now.