MIUI9 system has supported 27 model upgrades. They are Mi MIX2, Mi Note3, Mi 6, Mi Max2, Mi 5X, Mi 5, Mi 5c, Mi Mix, Mi Note2, Mi 5s, Mi 5s Plus, Mi Note top edition, Mi 4s, Mi 4c, Mi Phone 4, Mi Phone 3 Unicom\/Telecom Edition, Mi Max, Redmi Note5A, Redmi 5A, Redmi Note 4X Qualcomm edition, Redmi 4X, Redmi 5, Redmi 5Plus, Redmi 4 High edition, Redmi Note2, Redmi Note 3 Double Netcom, millet tablet 2. The basic models from 2013 to the present can be perfectly adapted, which is called the \"conscience of the industry\".