Resetting Xiaomi Redmi 9C to factory settings - a radical but effective solution to fix software failures, viruses or preparing the device for sale. The procedure deletes all user data, including photos, messages and installed applications, returning the smartphone to its out-of-the-box state. However, not everyone knows that there is three official methods perform a hard reset, and incorrect actions can lead to blocking of the device.

In this article you will find unique reset nuances specifically for Redmi 9C (model M2006C3MG/M2006C3MI), which do not apply to other smartphones Xiaomi. We will go through step-by-step guide for each method, warn about possible errors and give recommendations on how to restore data after a reset. If your device is stuck on the logo, does not respond to touches, or requires unlocking the MI-account, here you will find solutions.

When do you need to reset to factory settings?

Reset Redmi 9C to the initial state is advisable in the following cases:

  • 🔄 The smartphone slows down, overheats or reboots spontaneously - this may indicate conflicts in the firmware or cache overflow.
  • 🦠 Suspicion of a virus infection (appearance of unknown applications, redirects in the browser, consumption of traffic in the background).
  • 🔒 Forgot the pattern key or screen unlock PIN code (in this case, resetting is the only way to regain access).
  • 📦 Preparing the device for sale or transfer to another user (required to protect personal data).
  • 🛠️ After an unsuccessful MIUI update, when the system malfunctions or does not start.

However, resetting will not help if the problem is related to hardware faults: a damaged battery, a broken screen or a broken speaker. In such cases, repairs are required at a service center. Also note that after the reset you will have to reconfigure all settings, including Wi-Fi connection, Google accounts and hardware failures MI-account.

⚠️ Attention: If the function is enabled on Redmi 9C function enabled "Device protection" (in menu Settings → Google → Security), after the reset you will need to enter the details of the last synchronized Google account. Without them, it will be impossible to unlock the phone!
📊 Why do you want to reset Redmi 9C?
I eliminate lags and brakes
Preparing for sale
Forgot my password
Remove viruses
Another option

Preparing for a reset: what to do in advance?

Before reset Redmi 9C, follow the required steps to avoid losing important data and problems with unlocking:

  1. Create a backup. Use the built-in function Settings → About phone → Backup or third-party applications like Swift Backup (root access required). Pay special attention to:
    • 📱 Contacts (export to a VCF file or synchronize with Google).
    • 📸 Photos and videos (copy to PC or cloud).
    • 🔑 Wi-Fi passwords (save the list of networks in a text file).
  • Make sure the battery is charged. The charge level must be at least 50%. If the reset is interrupted due to discharge, this may result in brick (inability to turn on the device).
  • Unlink accounts. Go to Settings → Accounts and synchronization and remove the link to MI-account and Google. This will eliminate the need to enter data after the reset.
  • Remember the unlock data. If a pattern or PIN is installed on the device, write them down - they will be required to confirm the reset.

    • If you plan to sell Redmi 9C, additionally do:

    • 📲 Log out of all social networks and messengers.
    • 💳 Remove linked bank cards in Google Pay i Mi Pay.
    • 📍 Disable the function Find device in settings MI-account.

    Create a backup copy of your data|Charge the battery ≥50%|Unlink MI-account and Google|Remember the pattern/PIN|Exit accounts in applications-->

    ⚠️ Attention: If custom firmware (not official MIUI) is installed on Redmi 9C Resetting through the standard menu may result in a freeze at the logo. In this case, use only the method via Recovery or Fastboot.

    Method 1: Reset through the settings menu (the safest)

    This method is suitable if Redmi 9C turns on and responds to touches. The interface may differ slightly depending on the version of MIUI, but the general algorithm remains unchanged.

    Step-by-step guide:

    1. Open Settings (gear icon on the main screen).
    2. Scroll down and select About phone.
    3. Tap on Backup and reset (in some versions of MIUI this item is called Reset settings).
    4. Select Reset settings → Erase all data.
    5. If prompted, enter pattern key or PIN code.
    6. Confirm the action by pressing Reset settings (the button may be red or orange).
    7. Wait for the process to complete (usually takes 3-5 minutes). The phone will automatically reboot.

    After the reboot, you will see the initial setup screen, as when you first turned it on. If at this stage you are prompted for input. data MI-account, which means the account was not unlinked in advance. In this case:

    • 🔑 Enter the login and password for the last linked account.
    • 📧 If the data is lost, use the recovery function on the website account.xiaomi.com.
    Advantages method Disadvantages of the method
    ✅ Does not require additional tools ❌ Does not work if the phone does not turn on
    ✅ Maintains the integrity of the firmware ❌ May request data MI-account after reset
    ✅ Suitable for beginners ❌ Does not delete data from the memory card (if installed)
    💡

    If after reset Redmi 9C asks for the old Wi-Fi password, which you don't remember, connect to the network via mobile data and reset the router settings (press the Reset on the back panel).

    Method 2: Reset via Recovery Mode (if the phone does not turn on)

    If Redmi 9C is stuck on the logo, does not respond to touches or is blocked by a pattern, use Recovery mode. This method works even in case of serious system failures, but requires precise execution of the instructions.

    How to enter Recovery and perform a reset:

    1. Turn off the phone (hold down the power button for 10-15 seconds if it is frozen).
    2. Press simultaneously the power button and the volume up button.
    3. Hold them until the logo appears Mi, then release.
    4. After a few seconds, the menu will open Recovery (black screen with yellow inscriptions in English).
    5. Use the volume buttons to navigate and the power button to select an item.
    6. Select Wipe Data → Wipe All Data.
    7. Confirm the action by selecting Confirm.
    8. After completion, select Reboot → Reboot to System.

    If there is no item in the Recovery menu Wipe All Data, it means that Redmi 9C is installed on your custom firmware. In this case:

    • 🔧 Select Advanced Wipe.
    • 📋 Check the boxes Dalvik Cache, System, Data, Cache.
    • 🔄 Confirm the reset by swiping to the right (if used TWRP Recovery).
    ⚠️ Attention: If after resetting via Recovery Redmi 9C does not turn on or gives an error "No OS installed", this means that the system firmware has been removed. Operation can only be restored through Fastboot (see Method 3).
    What to do if Recovery does not open?

    If after holding Power + Volume up the phone vibrates, but the menu does not appear, try:

    1. Repeat the combination, holding the buttons longer (up to 20 seconds).

    2. Connect the charger and try again.

    3. Use the combination Power + Volume down (on some versions of MIUI).

    If all else fails, go to Method 3 (Fastboot).

    Method 3: Reset via Fastboot (for experienced users)

    The method via Fastboot is the most radical and requires connecting to a computer. It is used if:

    • 🔄 Recovery is not available or does not work.
    • 📱 The phone does not turn on even after charging.
    • 🔧 It is necessary to reflash the device (for example, after an unsuccessful update).

    For this method you will need:

    • 💻 Computer with Windows/Linux/macOS.
    • 🔌 USB cable (preferably original).
    • 🛠️ Utility Mi Flash Tool (download from the official Xiaomi website).
    • 📄 Firmware for Redmi 9C (the version must match your model!).

    Step-by-step guide:

    1. Download and install Mi Flash Tool and drivers Xiaomi USB Drivers.
    2. Unpack the archive with the firmware into a folder without Cyrillic characters (for example, C:\redmi9c_firmware).
    3. Turn off Redmi 9C and press power button + volume down button until the screen appears Fastboot (robot with the inscription Fastboot Mode).
    4. Connect the phone to the computer.
    5. Run Mi Flash Tool, press Select and specify the path to the folder with the firmware.
    6. At the bottom, select mode Clean All (full cleaning) and press Flash.
    7. Wait for the process to complete (usually 5–10 minutes). The phone will reboot automatically.

    If Mi Flash Tool gives an error "Anti Rollback", this means that you are trying to install an older firmware version than the one that was on the phone. In this case:

    • 🔍 Download newer firmware from the website en.miui.com.
    • 🔄 Repeat the process by selecting mode Clean All and Lock (if available).
    Situation Solution
    Error "Critical Partition Flashing Is Forbidden" Use another version Mi Flash Tool or flash through TWRP.
    Phone is not detected in Mi Flash Tool Check drivers, try another USB port or cable.
    After flashing the firmware, the phone vibrates but does not turn on Repeat the process with another firmware or contact service.
    💡

    Resetting via Fastboot is the only way to bring Redmi 9C to life if it does not respond to other methods. However, this method requires strict adherence to the instructions and is only suitable for users with experience working with firmware.

    What to do after the reset?

    After a successful reset Redmi 9C you will need to perform the initial setup. Follow these recommendations to avoid problems:

    1. Setting up language and region:
      • 🌍 Select a country Russia (or your region) to avoid problems with Google services.
      • 📜 Set the interface language to Russian (if it is available in your firmware).
    2. Connecting to the network:
      • 📶 Connect to Wi-Fi or mobile network to download updates.
      • 🔒 If you are asked for a password from the old network, skip this step and connect later.
    3. Login to accounts:
      • 📧 Enter your data Google-account, which was linked before the reset (if not unlinked in advance).
      • 🔑 If required MI-account, use the same data or restore access via account.xiaomi.com.
  • Data recovery:
    • ☁️ If made a backup via MIUI, select Restore from backup.
    • 📱 For manual recovery, connect the phone to the PC and copy the files back.

    After setting, check:

    • 🔋 Battery charge level (if it is less than 20%, connect the charger).
    • 📱 Performance of the sensor, speakers and cameras.
    • 📶 Quality of the mobile network signal and Wi-Fi.

    If any problems occur after the reset problems:

    • 🔄 The phone is slow: perform optimization in Settings → About phone → Optimization.
    • 📵 No networks: check the APN settings in Settings → SIM cards and mobile networks → Access points (APN).
    • 🔊 Speakers do not work: clean the headphone jack (the system may think they are connected).

    Common errors and how to find them avoid

    When resetting Redmi 9C users often encounter typical problems. Here's how to prevent or eliminate them:

    Error Cause Solution
    Phone asks for old MI-account after reset Account was not unlinked before the reset Enter the details of the last linked account or restore access via account.xiaomi.com
    The reset is interrupted at 50% and gives an error Damaged system files or lack of charge Charge the phone before 100% and repeat reset after Recovery
    After reset there is no mobile network signal IMEI or APN settings are lost Check IMEI in *#06# and configure APN manually
    Phone stuck on the logo after reset Damaged firmware or incompatible MIUI version Flash the device via Fastboot (Method 3)

    If you encounter an error not described in the table, try:

    • 🔍 Look for a solution on the forums 4PDA or XDA-Developers (indicate the exact model Redmi 9C and MIUI version).
    • 📞 Contact the official Xiaomi service center (addresses can be found on the website mi.com/ru/service).
    ⚠️ Attention: If after resetting Redmi 9C requires old Google account passwordthat you do not remember, you can unlock the device only through the official Xiaomi service. Independent attempts to bypass the protection (for example, through FRP bypass) can lead to a complete blocking of the phone.

    FAQ: Answers to frequently asked questions

    Is it possible to reset Redmi 9C without losing data?

    No, a factory reset always deletes user data from the internal memory. However, you can save photos, contacts and files if you do so in advance. make a backup copy to a memory card or cloud.

    What to do if you forgot your MI-account password after resetting?

    Go to the website account.xiaomi.com and use the password recovery function. You will need access to the email or phone number associated with your account. If the data is lost, contact Xiaomi support with proof of ownership of the device. (by check or box).

    How long does it take to reset Redmi 9C?

    Time depends on the chosen method:

    • 📱 Through the settings menu: 3–5 minutes.
    • 🔧 Through Recovery: 5–10 minutes.
    • 💻 Via Fastboot: 10–15 minutes (including firmware).

    If the process takes longer than 20 minutes, this indicates an error - reboot the device and try again.

    Is it possible to reset Redmi 9C through a computer without Fastboot?

    Yes, the app is suitable for this Xiaomi ADB/Fastboot Tools. It allows you to reset via ADB (without having to flash the device). However, for this you need to enable USB debugging in the developer settings before the phone stops working.

    Why does not Redmi 9C see the SIM card after resetting?

    This may be caused by:

    • 📱 Lost network settings (check Settings → SIM cards and mobile networks).
    • 🔧 Damage to the SIM card slot (try moving the card to another slot or to another device).
    • 📡 Problems with the operator (reboot the phone or contact support).

    If the SIM card is not detected at all, the communication module may be damaged - diagnostics in the service are required.