Why do you need root rights to the Redmi Note 9S?
Getting root rights to the Xiaomi Redmi Note 9S (codename curtana) opens up hidden Android features, but it takes care. With root, you can uninstall system applications, configure the kernel, install modified firmware, or use specialized utilities like Greenify to optimize the battery. However, the process comes with risks ranging from loss of warranty to device blinking when errors occur.
It is important to understand that the Redmi Note 9S based on the Qualcomm Snapdragon 720G has a secure bootloader that must be unlocked through the official Mi Unlock Tool. Without this step, installing a custom recovery (TWRP) and obtaining root will not be possible. In this article, current methods for 2026, taking into account changes in Xiaomi policy and model features.
Preparation of the device: what to do before unlocking
Before you start the process, make sure your Redmi Note 9S meets the following requirements:
- π± Android version: MIUI 12/13/14 (Android-based 10/11/12). Check in Settings β The phone.
- π Battery charge: at least 60% to avoid shutdown during the process.
- π Mi Account: Linked to the device (required to unlock the bootloader).
- π» Computer: Windows 7/10/11 with Windows Defender disabled and Qualcomm drivers installed.
Back up all data through Settings β Additional β Backup or Mi PC Suite. Unlocking the bootloader erases all data on the device without being restored through standard means. Also download the necessary files:
| Component | Reference | Version. |
|---|---|---|
| Mi Unlock Tool | Official website | The Last (2026) |
| TWRP for curtana | TWRP page | 3.7.0+ |
| Magisk | GitHub | 26.4 or later |
| ADB & Fastboot | Android Developers | 34.0.5 |
β οΈ Note: If your device was purchased in China (suffix version) CN In the model, unlocking the bootloader can be blocked at the firmware level. Check the region in Settings β The phone. β Version. MIUI.
Unlock the bootloader with the Mi Unlock Tool
The official way to unlock the bootloader on the Redmi Note 9S requires confirmation via your Mi Account and waiting 7-14 days (depending on Xiaomi policy).
- Activate Developer Mode: Go to Settings β About Phone and click on MIUI Version 7 times.
- Enable USB Debugging and OEM Unlock in Settings β Additional β For Developers.
- Connect the phone to the PC, confirm the debugging permission on the device screen.
- Launch the Mi Unlock Tool, log in to your Mi Account and follow the instructions of the program. During the device check phase, you will receive a wait notice (usually 168 hours).
If the tool is running a "Couldn't unlock" or "Device not supported" error, check:
- π Cable USB: Use the original Xiaomi cable (not use it) USB 3.0!).
- π₯οΈ Port port USB: Try the port USB 2.0 on the back of the PC.
- π± Version MIUI: Update your firmware to the latest stable version.
β οΈ Note: Once the bootloader is unlocked, the device will be reset to factory settings. If you used the Find My Device feature, you must disable it in advance in the Mi Account settings.
βοΈ Preparation for unlocking the loader
Install TWRP and get root rights through Magisk
Once unlocked, you can start installing a custom TWRP recavator and getting root through Magisk, which is considered the most reliable method for the Redmi Note 9S.
Step 1: Installation of TWRP
Downloaded file twrp-3.7.0-curtana.img rename recovery.img and put it in a folder with the platform-tools. CMD:
adb reboot bootloader
fastboot flash recovery recovery.img
fastboot reboot recoveryThe device will reboot to TWRP. If the screen is black for more than 5 minutes, repeat the process with another file. TWRP (Maybe your version. MIUI requires special assembly).
Step 2: Magisk firmware
In TWRP, do the following:
- Click Install β select the file Magisk-v26.4.zip.
- Swipe to confirm the installation.
- After completion, press Reboot System.
The first download can take up to 10 minutes. Once you start, check for root through the Magisk Manager app (should appear in the app menu).
What to do if TWRP does not start?
Solving common problems
The process of rooting on the Redmi Note 9S is often accompanied by errors, and the following are typical scenarios and ways to fix them:
| Problem. | Reason. | Decision |
|---|---|---|
| The βAnti-Rollbackβ error in the firmware | Trying to flash the old version of MIUI | Update your firmware to the latest via fastboot update |
| TWRP asks for password when downloading | Encryption of data in MIUI | Format /data to TWRP (all data will be deleted!) |
| Magisk doesn't define root | Incorrect installation or module conflict | Reinstall Magisk via TWRP, disable all modules |
| The device is stuck on the MI logo | Boot section damaged | Switch to boot.img via fastboot |
If banking applications (e.g. SberBank Online) have stopped working after installing Magisk, use the MagiskHide Props Config module to mask root.
- Install the module through Magisk Manager.
- Reset the device.
- In the module settings, select the Edit device fingerprint and specify the rootless model (e.g., Redmi Note 10).
π‘
If navigation gestures stop working after getting root, disable the Magisk modules associated with the modification of the system UI. Often the problem is solved by installing the Fluid Navigation Gestures module.
Alternative methods of obtaining root
If the standard method with TWRP and Magisk is not suitable, consider alternatives:
- π§ Patched Boot Image: Modified firmware boot.img via fastboot without installation TWRP. Suitable for temporary root.
- π¦ Custom firmware: Install LineageOS or Pixel Experience with pre-built root.
- π EDL Mode: Emergency mode for recovery of "bricks" Requires an authorized Xiaomi account and a special cable.
For the Patched Boot method:
- Download the stock firmware for your version of MIUI from the Xiaomi Firmware Updater website.
- Remove boot.img from the firmware archive.
- File processing via Magisk Manager (Install β Select and Patch a File).
- Fastboot: Fastboot Flash boot magisk_patched.img
β οΈ Attention: Use EDL Mode to unlock the bootloader on devices with Snapdragon 720G This may result in a hardware lock of the module. IMEI. This method is recommended only in extreme cases.
Risks and how to minimize them
Getting the root rights to the Redmi Note 9S entails several critical risks:
- π¨ Loss of warranty: Xiaomi cancels warranty if unlocked bootloader is detected.
- π‘οΈ Security vulnerabilities: Root opens access to system files for malware.
- π Unstable operation: Magisk module conflicts can cause random rebukes.
- π΅ Lockdown OTA-Updates: System updates will have to be installed manually.
To reduce the risks:
- π Use MagiskHide to hide root from apps.
- π₯ Update Magisk and modules regularly through Magisk Manager.
- π Backup boot and recovery partitions before experimenting.
- π οΈ Install only verified modules from the official Magisk repository.
The Redmi Note 9S with MIUI 14+ firmware may require a pullback on MIUI 12 to successfully unlock the bootloader due to Xiaomi's tightening security policy. Before rolling back, make sure the firmware version is compatible with your region (Global/EU/CN).
π‘
Even after successful rooting, avoid modifications to /system and /vendor system partitions, which are common reasons for "brick" on devices with Dynamic Partitions (introduced in Android 10+).