Link: http://en.miui.com/thread-1001529-1-1.html
Note: Up to now, MIUI 9 Global Stable ROM has been rolling out for Redmi Note 4 Qualcomm/Redmi Note 4X,Mi Max, Mi Max Prime, Mi Max 2, Mi MIX 2, Mi MIX, Mi 6, Mi 5, Mi 5s Plus, Mi Note 3, Redmi 4X/Redmi 4, Redmi Note 5A Prime / Redmi Y1, Redmi...