How to reset Xiaomi Mi 9C to factory settings: 3 working ways

Why you need to reset Xiaomi Mi 9C and when to use it

Resetting the Xiaomi Mi 9C to factory settings is a radical but effective way to bring the smartphone back to work, which removes all user data, apps and settings, returning the device to the “out of the box” state.

First, if the smartphone has started to slow down or overheat for no apparent reason, over time, the system gets clogged with cache, residual files of deleted applications and fragmented data. Even after manually cleaning up the garbage, performance may not recover — only a full reset will help. Second, the procedure is mandatory before selling or transferring the phone to another user: this ensures that your personal data (photos, messages, passwords) does not fall into the wrong hands. Finally, reset is part of the diagnostics for critical failures when the phone does not turn on, freezes on the logo or constantly reboots.

It is important to understand the difference between soft and hard resets: a soft reset (through the settings menu) saves files in the device’s memory, but removes applications and settings. a hard reset (through Recovery) erases everything, including internal memory. The method depends on the goal: a soft reset is usually enough to eliminate software bugs, and a hard one will be required in preparation for sale or after a failed firmware update.

Before you start, check the battery power – it should be at least 50%. interruption due to discharge can lead to irreversible damage to system files and “bricking” the phone. Also prepare backups of important data: contacts, photos and documents can be saved to the Mi Cloud, to the computer or external drive.

Method 1: Reset via the settings menu Xiaomi Mi 9C

The easiest and safest method is to reset directly from the operating system, which is suitable if the phone turns on, responds to touch and you have access to the menu.

1. Open the Settings app (the gear icon on the home screen).
2. Go to About Phone (usually at the bottom of the list).
3. Select Backup and Reset → Resetting.
4. Tap on Reset settings and confirm the action by entering a pattern lock or PIN-code.
5. Wait until the process is complete (it takes 3-10 minutes) and set the phone up as new.

This method saves files in the device’s memory, but deletes:

• 📱 All installed applications and their data
• 🔑 Google, Mi and Other Accounts
• 📞 Network settings (Wi-Fi, mobile Internet)
• 🎵 Personalized sound, display and notification settings

⚠️ Attention: If on Xiaomi Mi 9C Device Protection is enabled (in some firmware), after reset, you will need to enter a login and password from the last associated Mi Account!

Make sure your phone is at least 50 times charged%|Create a backup copy of important data|Remember the username/password from the Mi Account|Disable your Google account (if you plan to sell your phone)-->

Method 2: Hard Resetting with Recovery Mode

If the Xiaomi Mi 9C doesn’t turn on, freezes on the logo or doesn’t respond to touch, you’ll have to use Recovery mode, which erases all the contents of the phone, including internal memory, so only use it in extreme cases.

To enter Recovery:

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).

Recovery is controlled by the volume (move) and power (select) buttons.

1. Select Wipe Data (or in Chinese firmware).
2. Confirm the action by selecting Wipe All Data.
3. Once you’re done, go back to the main menu and select Reboot → Reboot to System.

It can take up to 15 minutes, and if you reboot your phone and you don't remember your Mi Account password, you'll have to go to the service center to unlock it.

Method 3: Reset via Mi PC Suite (for Windows)

If the first two methods didn’t work or you’re afraid of making a mistake in Recovery, you can use the official Mi PC Suite utility, which is suitable for resetting a locked phone, but requires a Windows 7/10/11 computer.

Download Mi PC Suite from the official website and install the program.

1. Connect Xiaomi Mi 9C to the computer through the original USB-cable.
2. Run the Mi PC Suite and wait for the program to identify the device.
3. In the main menu, select Backup → System Restore.
4. Click Restore Factory Settings and follow the instructions on the screen.

The advantage of this method is that it has a visual interface and a lower risk of errors, but it doesn't work on all firmware, especially if the phone is unlocked or has custom software.

1. Install Xiaomi USB Drivers drivers manually.

2. Use another USB-cable (preferably original).

3. Connect the phone in Fastboot mode (clamp Power) + Volume down when connecting to a PC).-->

What to do after reset: the initial setup of Xiaomi Mi 9C

After a successful reset, the phone will turn on as new.

1. Choose a language (Russian or English is recommended).
2. Connect to a Wi-Fi network (required to download updates).
3. Sign in to your Mi Account (if it was tied before the reset) or create a new one.
4. Restore the data from the backup (if it was created).
5. Set up your fingerprint and pattern lock.

Tips for optimal performance after resetting:

• 🔄 Update your firmware to the latest version through Settings → The phone. → Updating the system.
• 🚫 Do not install applications from unknown sources in the early days – let the system stabilize.
• 📱 Enable CPU Overclocking in Battery Settings for Better Performance.
• 🔋 Calibrate the battery: discharge the phone to 0% and charge to 100% without interruptions.

⚠️ Warning: If the phone starts to run faster after reset, check the AutoRun application settings in the Battery section. Turn off autorunning for unnecessary programs - this will reduce background power consumption.

Frequent Mistakes When Resetting Xiaomi Mi 9C and How to Avoid Them

Even when following instructions, users often make mistakes that can lead to additional problems, and these are the most common:

1. Interrupting the reset process: If you pull out the battery or force the phone to turn off during a reset, you're likely to damage your system files, at best, the phone will hang on the logo, at worst, you'll need to flash it over the Fastboot.
2. Ignoring backup: Many users forget to save contacts, photos and messages, believing that they will remain in memory.In fact, a soft reset deletes accounts and applications, but can also affect media files if they were stored in the folders of system applications (for example, WhatsApp or Telegram).
3. Incorrect choice of item in Recovery. In the recovery menu, it is easy to confuse Wipe Data (reset) and Wipe Cache (clear cache), the second option will not delete personal data, but will not solve serious problems with the system.
4. Using a non-original cable to connect to a PC. Cheap cables may not provide a stable connection, which will cause the Mi PC Suite to interrupt the reset process in the middle.

To minimize the risks:

• 🔋 Always check the battery before resetting.
• 📋 Take screenshots of important settings (for example, APN mobile-internet).
• 🔍 If the phone is buggy after reset, try resetting again – sometimes system files are restored incorrectly the first time.

💡

If the Xiaomi Mi 9C doesn’t turn on or hovers on the logo after a reset, don’t panic. 90% of the time, re-reset via Recovery or firmware via the Mi Flash Tool in Fastboot mode helps.

Alternative methods: when the reset does not help

If the reset didn't solve the problem, it could be hardware malfunctions or deep software failures.

1.Flashing through Fastboot

This method is suitable if the phone does not turn on even after resetting via Recovery.

• A computer with Xiaomi drivers installed.
• Mi Flash Tool and firmware for Mi 9C (you can download on the official website).
• USB-data-couple.

Algorithm:

1. Turn off the phone and press Power + Volume down to log into the Fastboot.
2. Connect your phone to your PC and start the Mi Flash Tool.
3. Select the downloaded firmware and press Flash.

2. Contact the service center

If none of these methods worked, the problem may be:

• 🔋 Faulty battery (phone turns off at low charge).
• 🛠️ Damaged motherboard (after falling or getting moisture).
• 🔌 Faulty display plume (if the screen does not respond to touch).

In such cases, self-repair can exacerbate the problem, and Xiaomi’s official service centers in Russia and the CIS can be found on the support website.

3. Use of custom firmware

If the reset didn’t work because of the official firmware curve, you can install custom (like LineageOS or Pixel Experience).

• Unlocked bootloader (Bootloader).
• Experience with ADB and Fastboot.
• Understanding the risks (loss of warranty, possible bugs)

For custom firmware installation instructions, look for XDA Developers or 4PDA forums (Section Xiaomi Mi 9C).

FAQ: Answers to Frequent Questions About Xiaomi Mi 9C Reset