Redmi Note 9 MIUI 13 Update: Released for India - xiaomiui
Which Xiaomi will receive Android 12 and MIUI 13: a list of smartphones
Android 10 reaches the Xiaomi Redmi 8 in Europe and the Redmi Note 7 in Russia as Xiaomi re-releases MIUI 12 for the Redmi Note 9 globally - NotebookCheck.net News
Actualización a MIUI 14 del Xiaomi Redmi Note 9: cuándo llegará a todas las variantes
Redmi Note 9 Pro Max and POCO M2 Pro got Internal Android 12 Update! - xiaomiui
The Xiaomi Redmi Note 9 Pro receives a new MIUI 12 update in Europe; Global upgrade for all Redmi Note 8 handsets will be ready next month - NotebookCheck.net News
Redmi Note 9 Pro and 9S got Internal Android 12 Update! - xiaomiui