MIUI 12 for the Xiaomi Redmi Note 7 and Redmi Note 8 expected to arrive this month as testing also reputedly completed for the Redmi Note 7S - NotebookCheck.net News
Guide to Install MIUI 12 Android 10 on Redmi Note 7 Pro | Miui Mix 20.5.7 - YouTube
Redmi Note 7 updates to MIUI 12 Global / EEA Stable | Download