The stable MIUI 12 update has arrived for the Xiaomi Redmi Note 7 and Redmi Note 7S. Available to download now, the update is arriving as an over-the-air (OTA) upgrade and follows the Android 10 update for Indian handsets. Equivalent MIUI 12 updates have recently reached other devices like the Mi 10, Redmi K20 and Redmi K20 Pro too.
https://www.notebookcheck.net/Stable-MIUI-12-update-arrives-for-the-Xiaomi-Redmi-Note-7-and-Redmi-Note-7S.482532.0.html