MIUI 12.5 with Android 11 could be next update for Redmi Note 9 series
El Redmi Note 9 Pro ya tiene MIUI 12.5: Xiaomi finaliza el despliegue oficial de su nueva versión con esta actualización
Redmi Note 9 - Wikipedia
Redmi Note 9 Pro 5G receives MIUI 12.5 update in China - Gizchina.com
Xiaomi Redmi Note 9 gains MIUI 13 update internally in China - Huawei Central
Update: Taiwan, EEA, Russia, Indonesia, Turkey, and Global] Xiaomi Redmi Note 9 MIUI 12.5 update brings various new features, major improvements - RPRNA
Redmi Note 9 Pro MIUI 12.5 Update In Europe Released With August Patch
Xiaomi announces global MIUI 12.5 release time frame - GSMArena.com news
Update] MIUI 12.5 Enhanced Update Arrives For Redmi Note 9 Pro In Turkey
INSTALL] MIUI 12 Update on Redmi Note 9 Pro | Masik X 15 MIUI 12 ROM for Redmi Note 9 Pro - YouTube
January 2022 security update rolling out for Redmi Note 9 Pro - Huawei Central