V12.5.1.0.RJWINXM is a pilot (staged rollout) MIUI 12.5 update for the Redmi Note 9S (India, codename curtana), based on Android 11 and released on Sep 1, 2021. It brings the August 2021 Android security patch.
- Device Redmi Note 9S (
curtana_in_global) - Region India
- OS MIUI 12.5, Android 11
- Branch Pilot (staged rollout)
- Security patch 2021-08-01
- Build date Aug 26, 2021
- Fingerprint
Redmi/curtana/curtana:11/RKQ1.200826.002/V12.5.1.0.RJWINXM:user/release-keys
Download V12.5.1.0.RJWINXM
| Type | Size | MD5 | |
|---|---|---|---|
| Recovery ROM (.zip, built-in updater) | 2.7 GB | — | Download |
What’s New in V12.5.1.0.RJWINXM
System
- New: Response to gestures is now instant.
- New: With 20 times more rendering power, there are now few limits to what you can see on your screen.
- New: With custom device model adjustments, any phone becomes faster after the upgrade.
- Optimization: MIUI became lighter, faster, and more durable.
- Optimization: Updated Android Security Patch to August 2021. Increased system security.
Notes
- New: New tools for doodling and sketching.
- New: Press and hold a sketch to adjust the strokes automatically.
- New: A gesture shortcut now allows you to create notes, tasks, and excerpts anywhere.
- New: Excerpts save text, URLs, and images to Notes in a few simple taps.
- New: Dynamic layouts bring the typography in Notes to a new level.
- New: Compose mind maps with complex structures.
- All-new Notes.
Updater
- All upcoming system updates will be provided by Google
Official release notes published by Xiaomi for this build.
How to Install This Update
Download the Recovery ROM, move it to the internal storage and choose Settings → About phone → (tap the OS card) → three dots → Choose update package. This keeps your data, but only works for a India phone on an older version. For a clean install or a region change, flash the Fastboot ROM with Mi Flash (unlocked bootloader required). Step-by-step instructions are on the Redmi Note 9S firmware page.
Other Redmi Note 9S India Versions
- Newer: V14.0.3.0.SJWINXM (Apr 28, 2023)
- All Redmi Note 9S firmware for every region
Build data: official Xiaomi servers. Firmware list tracked by XiaomiFirmwareUpdater.