MIUI 8 has started to send notification to xiaomi smartphones, it will first support 14 models, and other models will join in until September gradually. As you know, Xiaomi Redmi Note 4 just now announced, and will sell tomorrow, and you can get preinstalled MIUI 8 stable OS in Xiaomi Redmi Pro and Redmi Note 4.
Therefore, Xiaomi Redmi Pro users can feel the great technology of MIUI 8 OS. MIUI 8 Stable version will first support the following models like Xiaomi MI5, Xiaomi MAX ROM 32GB, Xiaomi mi4s, xiaomi mi note, Xiaomi MI4 WCDMA , CDMA, T-SCDMA, Xiaomi MI4 CDMA 4G, Xiaomi MI3 T-SCDMA, Xiaomi MI3 WCDMA/CDMA, Xiaomi MI2, mi2s, Redmi Note 3 WCDMA, T-SCDMA, Redmi note 2, Redmi Note 3G single card WCDMA, Redmi Note 3 T-SCDMA Single card.
MIUI V5, V6, V7 stable version can update MIUI 8 stable OS by OTA, if your phone runs developer version, you need to flash your phone to clear all data to upgrade to Stable version By the way, you can enjoy 4% off coupon code: 4AndroidPhones for Xiaomi Redmi Note 4 3/64GB version and 2/16GB version.