I am using redmi 2 sense 2 years but the phone is still working and my phone have 1GB ram and 8GB internal Storage but my pone is still working good and I have updated MIUI 9 in beta version and in my phone Qualcomm snapdragon chip set 410 it is power efficient and in py phone have 2200 MAH battery its using 4G internet is gos out 7 hr continue backup and camera is also good video recording quality is 1080p resolution is great.