This is an incremental update which integrates the latest security patch and improves the security of the device. The update also addresses some reported bugs and promises to provide better performance and system stability. The latest update bumps the firmware version to MIUI V12.0.5.0.QCTINXM (India variants). It is being rolled out as an OTA. You can manually check the software update on your device whether it’s available on your device or not. Head over to the device Settings –> About Phone –> Check for Software Update.

Changelog

Improves system security by updating Android Security Patch to December 2020 MIUI V12 0 5 0 QCTINXM   Redmi 9 picks up December security patch 2020 in India - 51