MIUI 是由小米基于 Android 二次开发的操作系统固件，为小米旗下的小米、Redmi 以及平板的预装操作系统固件，目前的最新发布版本为MIUI 12 。
MIUI 12 公开于2020年4月份，MIUI 12 带来了更简洁的UI、新的动画、导航手势的更改、新的实时壁纸和AOD设计、麦克风、摄像头和位置使用的隐私指示器、对多窗口和图中画的改进、内置的睡眠跟踪器，以及在整个用户体验中更多的变化!
已经接收到稳定版 MIUI 12 到设备列表
Mi Mix 3 5G (andromeda)Redmi 9C (angelica):Redmi 9C (angelica)POCO C3 (angelicain) — Added on 10/20/2020Redmi 9C NFC (angelican)Mi 10T (apollo) — Added on 10/09/2020Redmi 10X (atom)Redmi Note 8 Pro (begonia)POCO F1 (beryllium)Redmi 10X Pro (bomb)Mi 10 Ultra (cas)Redmi 9 India (cattail)Mi 9 (cepheus)Redmi K30 Ultra (cezanne)Mi Mix 2 (chiron)Mi 10 Pro (cmi)Mi 9 Pro 5G (crux)Redmi Note 9S/ Redmi Note 9 Pro [India] (curtana)Redmi 9A (dandelion)Redmi K20 / Mi 9T (davinci)Mi 8 (dipper)Mi 8 Pro (equuleus)Redmi Note 9 Pro Max [India] (excalibur)Mi 10T Lite (gauguin) — Added on 10/01/2020Redmi Note 8 (ginkgo) — Added on 10/01/2020POCO M2 Pro (gram)Mi 9 SE (grus)Mi Note 3 (jason)Redmi Note 9 Pro (joyeuse) — Added on 10/14/2020Redmi 9 (lancelot)Mi CC9e (laurus) — Added on 10/23/2020Redmi Note 7/ Redmi Note 7S (lavender)Redmi K30 Pro / POCO F2 Pro (lmi)Redmi Note 9 / Redmi 10X 4G (merlin)Mi 10 Lite 5G (monet)Mi Max 3 (nitrogen)Mi Mix 3 (perseus)Redmi K30 4G / POCO X2 (phoenix)Redmi K30 5G (picasso)Redmi K30i 5G (picasso48m)Mi 8 Lite (platina)Mi 9 Lite/ Mi CC9 (pyxis)Mi Mix 2S (polaris)Redmi K20 Pro / Mi 9T Pro (raphael)Redmi 6 Pro (sakura)Mi 8 SE (sirius)POCO X3 (surya)Mi Note 10 Lite (toco)Mi Note 10 / Mi CC9 Pro (tucana)Mi 10 (umi)Mi 8 Explorer Edition (ursa)Mi 10 Youth Edition / Mi Note 10 Lite Zoom (vangogh)Mi CC9 Meitu Edition (vela)Redmi Note 7 Pro (violet)Redmi Note 8T (willow) — 10/23/2020Redmi S2/Redmi Y2 (ysl)
