How to reflash Xiaomi Redmi Note 8T: the full guide

Owners of the Xiaomi Redmi Note 8T smartphone often face the need to reinstall the software, which can be caused by various reasons, from the banal desire to update Android to more serious problems, such as cyclical reboots or viruses. In 2026, the relevance of this topic does not decrease, as the device remains popular among those who are looking for a balance between price and performance.

Flashing requires careful follow-up and careful follow-up. Any mistake at any stage can result in a gadget being inoperable or losing important data. In this article, we will take a look at all the available recovery methods, from simple built-in tools to advanced methods through Fastboot.

Before you start to take action, you need to make sure that the charger and cable are intact. Power problems are the main enemy when updating system files, and you will need to download all the necessary files in advance so that you do not interrupt the process at the most critical time.

There are several levels of access to a smartphone system, each designed to solve specific tasks. Understanding the difference between Recovery, Fastboot and normal modes is critical to choosing the right firmware method.

Preparation for flashing and choice of method

The first step is to determine the current state of your device. If the phone is turning on and running steadily, but you want to upgrade to the MIUI version, the standard method will do through the settings menu. However, if the system is "lying" or there are critical errors, a deeper approach using the PC will be required.

Make sure to back up all your important data. In the process of flashing, your internal memory will be completely cleared, and photos, contacts and correspondence are best stored in the cloud or on your computer in advance.

⚠️ Warning: Unlocking the Bootloader when you install global firmware on the Chinese version (or vice versa) will result in complete deletion of data from the device.

For the work you will need the following components:

  • πŸ“± Smartphone Redmi Note 8T battery-charged%
  • πŸ’» Computer running Windows (drivers) ADB and Fastboot are mandatory)
  • πŸ”Œ Original. USB-cable or quality analogue with data transmission
  • πŸ“„ Mi Account with a linked phone number

The choice of method depends on your goals. To easily replace the MIUI version without losing data (although a backup is still desirable), you can use the built-in updater. To change the region or restore the brick, you will need a Fastboot mode.

πŸ“Š What kind of firmware method do you plan to use?
Update via Wi-Fi
Through Recovery (Recovery ROM)
Through Fastboot (Fastboot ROM)
Installation of custom firmware

Method 1: Update via built-in Updater

The safest and easiest way to do this is to not have to connect to a computer, which is if the phone is functioning properly, but you need to update the shell version or fix minor software glitches, and the system will check for a new version of the software itself.

To start, go to Settings β†’ About Phone and click on the MIUI version logo. If the automatic check didn’t find updates, you can try to manually select the version through the option menu.

Click on the three dots in the top right corner of the screen and select Select a firmware file. Here you will need a pre-downloaded Recovery ROM archive in.zip format. Importantly, the file should be designed specifically for your model and region.

Where to download the official firmware?
Official files can be found on miui.com or trusted resources like xiaomirom.com. Make sure you download the Recovery (zip) version, not Fastboot (tgz) if you use this method.> Once you've selected the file, the system will check its integrity, if the hash amounts match, the process of preparing and installing the file will begin. The phone will reboot, and you'll see the logo. MIUI Do not touch the device until the desktop is fully loaded. Method 2: Firmware through Recovery Mode (Clean Install) If the standard update does not work or a clean installation of the system is required, Recovery Mode is used. ROM (.zip), but runs independently of the main operating system. Copy the downloaded firmware file to the root of the phone's internal memory. To enter the recovery mode, press the Up Volume and Power buttons simultaneously. From the menu that appears, select the language (usually available in English and Chinese). Next, click Wipe Data to clean up the memory. This is a mandatory step to avoid file conflicts between old and new systems. ⚠️ Note: Wipe Data permanently deletes all files, photos and applications, and make sure you have an up-to-date copy of your important data. After cleaning, go back to the main menu and select Connect with MIAssistant (if you are flashing through your PC in Recovery mode) or just Install (if the file is already on your phone and you are using the local menu). 8T It's often more convenient to connect to a PC. Connect your phone with a cable to your computer. MIUI bootloader or use it ADB command to install: adb sideload name file.zip. the process will take a few minutes. Method 3: Fastboot Installation (For Advanced) The Fastboot Method is the most powerful tool in the user's arsenal of Xiaomi. It allows you to reflash all memory sections clean, change the region (from China to Global) and restore the device after serious failures. This requires a Fastboot ROM file (extension.tgz) and an unlocked bootloader (in most cases). Unpack the archive with the firmware on your computer. The path to the folder should not contain Cyrillic or gaps, otherwise the installation script may not work. Inside the folder, you will find the Fastboot file on the device's file for the Android device. β˜‘οΈ Checklist before Fastboot Is Bootloader unlocked?:Yes/No Drivers installed?:Yes/No Way to firmware without Cyrillic?:Yes/No Battery charged > 50%?:Yes/No Completed: 0 / 4 Launch the file. flash_all.bat (The script will automatically start partitioning firmware, and in the process, the phone can reboot or vibrate several times β€” that's normal behavior. boot.img fastboot flash system system.img fastboot flash recovery recovery.img Once completed, the script will give a message Finished. Total time: X.XXs. The phone will automatically go into boot mode of the new system. 10 minute. Recovery parameter ROM Fastboot ROM File format.zip.tgz Size ~2.5 - 3 GB ~4 - 5 GB needs unlocked BL No (usually) Yes (to change region) Difficulty Low High Bootloader Unlocking To install global firmware on a Chinese phone or use custom recavators (TWRP) You need to unlock the bootloader. Without this procedure, the Fastboot script will give you a Locked error. The process requires you to submit an application through the Mi Unlock Tool app on your PC. You need to link your Mi Account to your phone settings (Developer Settings). β†’ Mi Unlock status and wait for the 7 before 168 hours (usually) 168 After waiting for the waiting time, launch the Mi Unlock Tool, log in to the same account, transfer the phone to Fastboot and press Unlock. The device will be reset and the bootloader will be open. It is important to understand that unlocking reduces the security of the device and makes it impossible to use some banking applications without additional manipulation (for example, Magisk Hide). It may also stop working Widevine L1, which will reduce the quality of streaming video in HD. Solving common firmware errors In the process of firmware, errors may occur. One of the most common is Can't verify update when installing via Recovery. This means that you are trying to install a firmware of another region or older version without full cleaning. The Missmat image device error in Fastboot indicates that you are trying to flash the firmware not designed for Redmi Note 8Tow logo (check the name on the phone). If this doesn’t help, it’s possible that the firmware file was corrupted when downloaded – check the checksum or download it again. ⚠️ Note: If you see Device locked status on Fastboot and you get a firmware error, it means the bootloader is locked, and it is almost impossible to get around this without official unlocking. If you have problems with drivers in Windows (unknown device), try to install drivers manually through the Device Manager, indicating the path to the folder with the device. ADB/Fastboot driver. FAQ: Frequently Asked Questions: Can I Switch Redmi Note? 8T Yes, if you install the official firmware of the same region and version (or newer) through Recovery -> Global) Unlocking is mandatory. What is the code name willow? It's the internal technical name for the Redmi Note. 8T. All firmware and modifications are created under the code name, using firmware for other models (eg, ginkgo - Note). 8/8 Pro) will cause a breakdown. Will the warranty fly off after flashing? Official flashing to the global version via Mi Unlock can formally be considered a violation of the warranty conditions in some regions, as it requires unlocking the bootloader. Stock firmware recovery doesn't always hide the fact of unlocking. How to get back from custom firmware to the stock? You need to unlock the bootloader (if not already done), download the official Fastboot. ROM And I'm going to flash it through a computer with the Clean All option. NFC? This often happens when you install Global firmware on Chinese iron without the correct partition configuration. Make sure you use the firmware labeled β€œGlobal Stable” for your specific model and that the bootloader has been unlocked before installation.