Redmi Note 9 Pro Flash File Download: How to Flash and Why You Should Do It
If you are a user of Xiaomi Redmi Note 9 Pro, you might have heard of the term "flash file" or "firmware". But what is it exactly and why would you need to flash it on your device? In this article, we will explain what is Redmi Note 9 Pro flash file, how to flash it using Mi Flash Tool, and what are the benefits and risks of doing so.
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What is Redmi Note 9 Pro Flash File?
Redmi Note 9 Pro flash file is a software package that contains the operating system, applications, settings, and data of your device. It is also known as stock ROM or firmware. It is usually provided by Xiaomi as an official update for your device model and region. You can download it from Xiaomi's website or from third-party sources.
Flashing Redmi Note 9 Pro means installing a new flash file on your device, replacing the existing one. This can be done using a tool called Mi Flash Tool, which is a Windows-based application that can communicate with your device in bootloader or EDL mode. Bootloader mode is a special mode that allows you to flash custom ROMs or recoveries, while EDL mode is a mode that allows you to flash stock ROMs or unbrick your device.
The Benefits of Flashing Redmi Note 9 Pro
Fix software issues and bugs
One of the main reasons why you might want to flash Redmi Note 9 Pro is to fix any software issues or bugs that you are facing on your device. For example, if your device is lagging, crashing, freezing, draining battery fast, or having network problems, flashing a new flash file might solve these problems. Sometimes, these issues are caused by corrupted or outdated software, which can be fixed by installing a fresh and updated software.
Upgrade or downgrade MIUI version and Android version
Another reason why you might want to flash Redmi Note 9 Pro is to upgrade or downgrade your MIUI version and Android version. MIUI is the custom user interface that Xiaomi uses on its devices, which is based on Android. Xiaomi releases new MIUI versions regularly, which bring new features, improvements, security patches, and bug fixes. However, not all devices receive these updates at the same time, or at all. Some devices might be stuck on older MIUI versions or Android versions, which might not be compatible with some apps or games.
By flashing Redmi Note 9 Pro, you can choose which MIUI version and Android version you want to install on your device, regardless of the official update schedule. You can upgrade to the latest MIUI version and Android version to enjoy the new features and enhancements, or you can downgrade to an older MIUI version and Android version if you prefer the stability and performance of the previous versions. You can also switch between different MIUI versions and Android versions to find the one that suits your needs and preferences best.
Unroot or remove custom ROMs
A third reason why you might want to flash Redmi Note 9 Pro is to unroot or remove any custom ROMs that you have installed on your device. Rooting is the process of gaining full access to the system of your device, which allows you to modify or delete system files, install root apps, or use root features. Custom ROMs are modified versions of the stock ROM, which offer different features, themes, or performance tweaks.
While rooting and installing custom ROMs can be fun and useful, they also come with some drawbacks. For instance, rooting can make your device vulnerable to malware or viruses, void your warranty, or prevent you from receiving OTA updates. Custom ROMs can also be unstable, buggy, or incompatible with some apps or games. If you want to restore your device to its original state, or if you want to sell or give away your device, you might want to flash Redmi Note 9 Pro to unroot or remove any custom ROMs that you have installed.
The Risks of Flashing Redmi Note 9 Pro
Data loss and backup failure
Flashing Redmi Note 9 Pro is not without risks. One of the major risks is data loss and backup failure. Flashing a new flash file will erase all the data on your device, including your contacts, messages, photos, videos, music, apps, and settings. Therefore, it is very important to backup your data before flashing your device. However, sometimes backups can fail or get corrupted, which means you might lose your data anyway. To avoid this risk, you should always backup your data to multiple sources, such as your computer, cloud storage, or external storage.
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Bricking or bootlooping the device
Another risk of flashing Redmi Note 9 Pro is bricking or bootlooping the device. Bricking means that your device becomes unusable and cannot be turned on or repaired. Bootlooping means that your device gets stuck in a loop of restarting or showing the logo screen. These problems can happen if you flash a wrong or corrupted flash file, if you interrupt the flashing process, or if you encounter a hardware failure. To avoid this risk, you should always flash a compatible and verified flash file for your device model and region, follow the flashing instructions carefully, and use a reliable power source and USB cable.
Voiding the warranty and losing OTA updates
A third risk of flashing Redmi Note 9 Pro is voiding the warranty and losing OTA updates. Flashing a new flash file might void your warranty if it is not an official update from Xiaomi. This means that you might not be able to claim any repairs or replacements from Xiaomi if your device gets damaged or defective. Flashing a new flash file might also prevent you from receiving OTA updates from Xiaomi in the future. This means that you might miss out on new features, improvements, security patches, and bug fixes that Xiaomi releases for your device model and region.
How to Flash Redmi Note 9 Pro with Mi Flash Tool
Requirements and Preparations
If you have decided to flash Redmi Note 9 Pro with Mi Flash Tool, here are some requirements and preparations that you need to do before flashing:
Download and install Qualcomm driver and Mi Flash Tool on your computer
You need to download and install Qualcomm driver and Mi Flash Tool on your computer in order to flash Redmi Note 9 Pro. Qualcomm driver is a software that allows your computer to recognize and communicate with your device in bootloader or EDL mode. Mi Flash Tool is a software that allows you to flash stock ROMs on Xiaomi devices.
You can download Qualcomm driver from . After downloading them, follow the installation instructions on their respective websites.
Download and extract the stock ROM for your device model and region
You also need to download and extract the stock ROM for your device model and region in order to flash Redmi Note 9 Pro. Stock ROM is the official flash file that Xiaomi provides for your device model and region. You can download it from Xiaomi's website or from third-party sources.
To download it from Xiaomi's website, go to and select your device model (Redmi Note 9 Pro) and region from the drop-down menu. Then, click on the download button and save the file on your computer. The file will be in .tgz or .zip format, which you need to extract using a tool like WinRAR or 7-Zip.
To download it from third-party sources, you can use websites like , which offer various stock ROMs for different Xiaomi devices. Make sure to download the stock ROM that matches your device model and region, and verify the file integrity using the MD5 or SHA-1 checksum. The file will also be in .tgz or .zip format, which you need to extract using a tool like WinRAR or 7-Zip.
Backup your data and enable USB debugging on your phone
As mentioned earlier, flashing Redmi Note 9 Pro will erase all the data on your device, so you need to backup your data before flashing. You can backup your data using various methods, such as using Xiaomi's Mi Cloud service, Google's backup service, or third-party apps like Titanium Backup or Helium. You can also copy your data to your computer or external storage manually.
You also need to enable USB debugging on your phone in order to flash Redmi Note 9 Pro. USB debugging is a feature that allows your phone to communicate with your computer via USB cable. To enable USB debugging, go to Settings > About phone > Tap on MIUI version 7 times > Go back to Settings > Additional settings > Developer options > Enable USB debugging.
Steps to Flash Redmi Note 9 Pro
After completing the requirements and preparations, you are ready to flash Redmi Note 9 Pro with Mi Flash Tool. Here are the steps that you need to follow:
Reboot your phone to bootloader or EDL mode and connect it to your computer
The first step is to reboot your phone to bootloader or EDL mode and connect it to your computer using a USB cable. Bootloader mode and EDL mode are different modes that allow you to flash Redmi Note 9 Pro with Mi Flash Tool.
To reboot your phone to bootloader mode, turn off your phone and then press and hold the Volume Down and Power buttons together until you see the Mi Bunny logo on the screen. To reboot your phone to EDL mode, turn off your phone and then press and hold the Volume Up and Power buttons together until you see a black screen with a red LED light.
Once you have rebooted your phone to either mode, connect it to your computer using a USB cable. Your computer should recognize your device and install the necessary drivers automatically.
Open Mi Flash Tool and select the location of the extracted ROM
The next step is to open Mi Flash Tool and select the location of the extracted ROM that you have downloaded and extracted earlier. To do this, launch Mi Flash Tool on your computer and click on the Select button at the top left corner. Then, browse to the folder where you have extracted the stock ROM for your device model and region, and select it. The folder name should end with .images.
After selecting the folder, you should see some information about the ROM on the Mi Flash Tool window, such as device name, version number, size, etc. Make sure that the information matches your device model and region.
Click Refresh and then Flash to start the flashing process
The final step is to click Refresh and then Flash to start the flashing process. To do this, click on the Refresh button at the top right corner of Mi Flash Tool window. This will scan for any connected devices in bootloader or EDL mode. You should see your device ID appear on the list below.
After confirming that your device is detected by Mi Flash Tool, click on the Flash button at the top right corner of Mi Flash Tool window. This will initiate the flashing process, which will take several minutes depending on the size of the ROM and the speed of your computer and USB cable.
During the flashing process, do not disconnect your device from your computer or interrupt the process. You can monitor the progress of the flashing process on the status bar at the bottom of Mi Flash Tool window. You should see messages like "sending", "writing", "success", etc.
Wait for the process to finish and reboot your phone
Once the flashing process is completed, you should see a message saying "The operation completed successfully" on the status bar. This means that you have successfully flashed Redmi Note 9 Pro with Mi Flash Tool. You can now disconnect your device from your computer and reboot it.
To reboot your device, press and hold the Power button until you see the Mi logo on the screen. Your device will boot up with the new flash file that you have installed. You might need to set up your device again, such as choosing the language, region, network, etc.
Conclusion
In this article, we have explained what is Redmi Note 9 Pro flash file, how to flash it using Mi Flash Tool, and what are the benefits and risks of doing so. We hope that this article has helped you to understand how to flash Redmi Note 9 Pro and why you should do it.
Flashing Redmi Note 9 Pro can be a useful way to fix software issues, upgrade or downgrade MIUI and Android versions, or unroot or remove custom ROMs. However, it can also cause data loss, bricking, or warranty voiding. Therefore, you should always backup your data, follow the instructions carefully, and use a compatible and verified flash file for your device model and region.
If you have any questions or comments about flashing Redmi Note 9 Pro, feel free to leave them below. We will try to answer them as soon as possible.
FAQs
Here are some frequently asked questions about flashing Redmi Note 9 Pro:
Question
Answer
Where can I download Redmi Note 9 Pro flash file?
You can download Redmi Note 9 Pro flash file from Xiaomi's website or from third-party sources. Make sure to download the flash file that matches your device model and region.
What is the difference between bootloader mode and EDL mode?
Bootloader mode and EDL mode are different modes that allow you to flash Redmi Note 9 Pro with Mi Flash Tool. Bootloader mode allows you to flash custom ROMs or recoveries, while EDL mode allows you to flash stock ROMs or unbrick your device.
How long does it take to flash Redmi Note 9 Pro?
The time it takes to flash Redmi Note 9 Pro depends on the size of the flash file and the speed of your computer and USB cable. It usually takes several minutes to complete the flashing process.
How can I backup my data before flashing Redmi Note 9 Pro?
You can backup your data before flashing Redmi Note 9 Pro using various methods, such as using Xiaomi's Mi Cloud service, Google's backup service, or third-party apps like Titanium Backup or Helium. You can also copy your data to your computer or external storage manually.
How can I unbrick my device if I flash a wrong or corrupted flash file?
If you flash a wrong or corrupted flash file on your device, you might end up bricking or bootlooping it. To unbrick your device, you need to flash a compatible and verified stock ROM for your device model and region using Mi Flash Tool in EDL mode.
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