How to completely reset Xiaomi Redmi 9: 3 working ways to reset to factory settings

Resetting Xiaomi Redmi 9 to factory settings is a procedure that can be required in a variety of situations, from preparing the device for sale to fixing software failures. However, not all users know that an incorrect reset can lead to loss of important data, blocking the Mi Account account or even “bricking” the phone. In this article, we will discuss all the current ways to zero out – from the standard menu to Fastboot mode – and also explain how to avoid typical errors.

The Redmi 9 (M2003J15SC/M2003J15SS) features MIUI-based firmware that imposes additional restrictions on resetting. For example, once reset via Recovery, the phone may require data input from the previous Xiaomi account, which is part of Factory Reset Protection (FRP) protection, and we will explain in detail how to circumvent such locks by legal methods.

Preparation for resetting: what to do before zero

Before you start resetting, make sure you follow all the critical steps. Failure to follow these rules can lead to the permanent loss of photos, contacts, or even locking the device.

• 📱 Create a backup. Use the built-in Backup app (Settings) → The phone. → Backups or third-party services like Google Drive. Especially important to save: Contacts (synchronize with Google Account) Photos and videos (copy to PC or cloud) Messages (applications like Google Account) SMS Backup & Restore)
• 🔋 Charge the phone to at least 50%. interruption of the reset process due to a discharged battery can cause damage to system files and the need to flash through the Fastboot.
• 🔑 Make sure to remember the data from the Mi Account. Once reset via Recovery, the phone will require entering the login and password from the associated Mi Account (if any.
• 📡 Disable all accounts. Go to Settings. → Accounts and sync and delete Google, Mi Account and other tied services.This will make it easier to set up after a reset.

⚠️ Warning: If you reset your phone before selling, be sure to log out of Mi Account in the Settings menu → Xiaomi account → Otherwise, the new owner will not be able to use the device without your data!

Method 1: Reset via the settings menu (the safest method)

This is a method that works if the phone turns on and responds to touch, and you remember the unlock password, and it's the simplest and doesn't require any additional tools.

1. Open Settings (the gear icon on the main screen).
2. Go to the About Phone section (usually at the bottom of the list).
3. Select Backup and Reset → Resetting.
4. Click Erase all data and confirm the action.
5. If necessary, enter a password or pattern lock.
6. Wait until the process is completed (usually takes 3-5 minutes).

After the reboot, the phone will offer to go through the initial setup, as after the purchase.If previously the Mi Account was tied, you may need to enter data to unlock.

Battery Charging Tested (≥50%)

Created a backup copy of important data

All accounts (Google, Mi, social networks) deleted

Memorized password from Mi Account (if tied)

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Method 2: Reset via Recovery Mode (if the phone is not turned on)

If Redmi 9 is stuck on the logo, does not respond to touches or is locked with a pattern lock, use Recovery mode. This method works even if the system is damaged, but requires care.

1. Turn off the phone (press the power button for 10-15 seconds).
2. Press the Power button + Volume up at the same time and hold for 5-7 seconds until the Mi logo appears.
3. Release the buttons and you will see the Recovery menu (in English or Chinese).
4. Use volume buttons for navigation and power button to select the item.
5. Select Wipe Data → Wipe All Data → Confirm.
6. Once you have finished, select Reboot → Reboot to System.

If after reset, the phone requires data input from Mi Account, and you do not remember them, use the official instructions for restoring access on the Xiaomi website. Attempts to bypass the lock by illegal methods can lead to a complete loss of functionality of the device.

⚠️ Note: Recovery Redmi 9 can be displayed in Chinese on the menu. Look for characters (data cleanup) and (confirm). Don't choose items that mention Fastboot or Update - this can lead to irreversible consequences!

Method 3: Fastboot Reset (for power users)

This method is used if the first two methods did not work or the phone does not load even in Recovery. ADB/Fastboot cable USB Type-C.

Warning: The wrong commands in Fastboot can turn your phone into a brick.

1. Turn off the phone.
2. Press the Power button + Volume down for 5-10 seconds until the image of a rabbit in a hat appears.
3. Connect your phone to your PC via USB.
4. Open the command line (Win + R → enter cmd) and execute commands in order: fastboot devices (should display the serial number of your device) fastboot erase userdata fastboot erase cache fastboot reboot

If the phone needs a password again after the reboot or is stuck on the logo, you may need to completely flash through the Mi Flash Tool. This is a complex procedure that is better entrusted to the service center.

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If the phone does not turn on after reset via Fastboot, try re-swiping the userdata section with the command fastboot flash userdata userdata.img. The official firmware images for Redmi 9 can be downloaded on the Xiaomi Firmware website.

What to do after resetting: initial setup

After successful resetting, Redmi 9 will offer you the initial setup process, and here's what you should pay attention to:

• 🌍 Language and region choices: Indicate Russia or your country, which will affect the services available (e.g. Google Play).
• 📶 Wi-Fi connection. Without the Internet, you can not log in to Mi Account or restore a backup copy.
• 🔐 Sign in to Mi Account. If your phone was linked to your account, enter the details. If you forgot your password, use the restore function on Xiaomi's website.
• ☁️ Data recovery if you have made a backup through MIUI, The system will suggest restoring it at this stage.

If you notice that some features are not working properly after reset (for example, Wi-Fi or the camera is not turned on), try:

1. Update the firmware through Settings → About the phone → System update.
2. Reset again (sometimes double zeroing helps).
3. Contact the service center if the problem is hardware.

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Once reset via Recovery or Fastboot, always check the sensor, camera and speakers. If something doesn't work, it could indicate firmware damage that requires flashing through the Mi Flash Tool.

Typical Resetting Mistakes and How to Avoid Them

Even experienced users sometimes make mistakes that make it harder to zero out, and here are the most common ones:

• 🔄 Interrupting the reset process: If you take out the battery or force the phone to turn off during zeroing, it can damage the userdata partition.
• 🔒 Mi Account password: If the phone was tied to the account and you don't remember the data, it will be extremely difficult to unlock it. Xiaomi requires proof of ownership (checks, box, etc.).
• 📱 Use of informal firmware. Installation of custom rectangles (TWRP) or firmware without unlocking the bootloader can lead to blocking IMEI.
• 🔌 Faulty. USB-When reset via Fastboot, bad contact can interrupt the process.

If you encounter an error "This device is locked" in Fastboot, it means that the bootloader is locked.

1. Apply on the Mi Unlock website.
2. Wait 72-168 hours (waiting time depends on Xiaomi policy).
3. Use the official Mi Unlock Tool utility.

⚠️ Warning: Unlocking the bootloader resets the phone to factory settings and erases all data, including internal memory.

FAQ: Frequent questions about the reset of Xiaomi Redmi 9