V12.0.2.0.RJWRUXM: MIUI Russia Stable ROM for Redmi Note 9S

Updated on June 28, 2021: Today Xiaomi rolled the May 2021 security patch update for the Redmi Note 9S with software version V12.0.2.0.RJWRUXM.

Xiaomi has started pushing the latest firmware update to its Redmi Note 9S (Codename: curtana) Russian variants based on Android 10. As we always mention that Redmi Note 9S is one of the best budget-centric smartphones that come in a competitive price tag. The update is labeled with MIUI for Redmi Note 9S with software version V11.0.2.0.QFCRUXM. You can now download and install it manually.

Now, talking about the new firmware update, it brings the latest April 2020 Android Security Patch Level that improves the system security & stability. Additionally, the update also brings improved app lock support for all apps and revamped start page with optimized features. You can get a full update changelog below. We will recommend you check for OTA updates or you can manually install the update by following the firmware flashing guide along with requirements and download links.

Redmi Note 9S

Check OTA Updates

Xiaomi mostly rolls out firmware OTA updates in batches and it can take some time to hit all the units completely. Similarly, the Russian Redmi Note 9S variants will take a couple of days or weeks to receive the OTA update notification. If in case, you’re not getting the OTA update notification, then try to check for it via the device Settings > About Phone > Software update.

Alternatively, you can go to the Software Updater app directly to check for the OTA update. If the update is available, then you can download and install it. Make sure to connect your handset to a Wi-Fi network and charge your device more than 60%.

Downloads and Changelog:


  • System
    • Updated Android Security Patch to May 2021. Increased system security.
    • Stable MIUI based on Android 11
  • Xiaomi Cloud
    • New: Location info can be now reported automatically before the device is powered off


  • Updated Android Security Patch to January 2021. Increased system security


  • Optimization: Increased system stability
  • Optimization: Reduced system lag

  • Control center
    • New: Swipe down from the upper left corner to open Notification shade and from the upper right corner to open Control center
  • Dark mode
    • Optimization: Brightness and color improvements for wallpapers in Dark mode
  • System
    • Fix: Home screen went black and started flashing after unlocking in some cases
    • Updated Android Security Patch to October 2020. Increased system security.
  • Phone
    • Fix: UI elements for accepting calls weren’t displayed in some cases
  • Status bar, Notification shade
    • Fix: Status bar wasn’t displayed correctly with color inversion
  • Camera
    • New: A new mode for scanning documents


  • Updated Android Security Patch to April 2020. Increased system security

Steps to Install MIUI Russia Stable ROM for Redmi Note 9S (curtana)

Installing the stock ROM or upgrading the MIUI version on Xiaomi devices is comparatively easy. But you should follow all the pre-requirements and downloads below before proceeding.


  • Supported for: Xiaomi Redmi Note 9S (Russian variant) only. The device should be running on stock ROM to apply the update.
  • Requires: A PC/Laptop and a USB cable.
  • Backup: Take a full Backup of Phone Data at first to keep the important files safe.
  • Charge: Keep your device charged more than 50%.
  • Mi Flash Tool – Download and Install it on your PC
  • Download ADB and Fastboot Tools on your computer
  • Download Xiaomi USB Drivers and install it on the PC


We recommend to take a full backup first. GetDroidTips will not be held responsible for any type of issue on your device while or after following this guide or even flashing any file. So, proceed at your own risk.

Instructions to Install: MIUI Russia Stable ROM for Redmi Note 9S

We assume that you’ve followed the downloads and requirements properly. Now, you can proceed to install MIUI Russia Stable ROM on Redmi Note 9S. Check out the guide link below along with a video tutorial as well.

Guide to Install MIUI ROM on Xiaomi Device [Recovery/Fastboot]

You can check out our full-depth tutorial video as well:

Video Guide on Steps to Flash Xiaomi Device using Fastboot Method

We hope that you’ve updated or installed the latest MIUI version on your Redmi Note 9S (curtana) successfully. Feel free to ask in the comments below for any queries.

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