The update is based on Android 10 and carries firmware version V12.0.6.0.QJORUXM. Apart from a new security patch, there are no other changes mentioned in the changelog. Redmi Note 9 users in Russia who have not received the update yet can manually check the status by heading to Settings » About phone » System update. We have also added a download link for the latest package that weighs about 3.9GB in size. Device: Redmi Note 9 Software version: V12.0.6.0.QJORUXM Region: Russia Download link: Full ROM Changelog: [System] Updated Android Security Patch to March 2021. Increased system security. [via]
