Reset Xiaomi Redmi 9C to factory settings: the full guide

The Xiaomi Redmi 9C is a popular budget smartphone, but even it can eventually start to slow down, issue errors or require a complete system reinstallation. Resetting to factory settings solves most software problems, from freezes to viruses. However, the wrong actions can turn a phone into a “brick” – especially if it is a model with a locked bootloader, like the Redmi 9C.

In this article, we will discuss two official reset methods (via settings and Recovery), explain how to prepare the device to avoid losing important data, and what to do if the smartphone does not respond to buttons, and answer frequent questions: can you cancel the reset, how to recover data after it, and why the phone asks for a password from the Mi Account.

Preparation for resetting: what to do before the start

Resetting to factory settings is the complete removal of all data from internal memory: photos, contacts, messages, installed applications and even Wi-Fi settings. If you do not back up in advance, it will be extremely difficult (and sometimes impossible) to restore information.

Here’s what you should check before resetting:

• 📱 Battery charge is at least 50%. If the phone runs out during the process, it can damage system files and require firmware through Fastboot.
• 🔒 Password from Mi-account after Redmi reset 9C You'll need to enter the username and password from the Xiaomi account that was tied to the device.
• 📁 Backup. Use the settings. → Google → Backup or third-party applications like Titanium Backup (requires root).
• 📡 SIM card and SD-Remove them to avoid accidental formatting.

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If you forget your Mi Account password, try to restore it through account.xiaomi.com before resetting. After the procedure, this method may not work due to the device's binding.

Pay special attention to associated accounts. If the phone has been enabled Find My Device from Google or Mi Cloud, after the reset, you may need to confirm ownership of the device.

Method 1: Reset via the settings menu (if the phone is turned on)

This is the easiest and safest method, but it only works if the smartphone turns on and responds to touch.Instructions are suitable for the Redmi 9C on MIUI 12/13/14:

1. Open Settings (the gear icon on the main screen).
2. Go to About Phone → Backup and Reset.
3. Select Resetting → Erase all data.
4. Enter. PIN-code or pattern lock, if installed.
5. Confirm the action by clicking Reset Settings.

The phone will reboot and start the cleaning process, which will take 5-10 minutes, and when you complete it, you will see the screen of the initial setup, as after you purchase it.

Make sure the phone is charged|Disable the SIM card and SD-map|Make a backup copy of important data|Remember the password from the Mi-account|Log out of all accounts (Google, Mi, social networks)

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⚠️ Attention: If on Redmi 9C The device has been turned on, and once reset, you may need to enter a password from the last Google account that was used on your phone. This is a security measure from Google, and you can't get around it without your account data.

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

If the Redmi 9C is stuck on the logo, does not respond to buttons or is locked, you will have to use Recovery mode.This method is more complicated, but it works even in severe system failures.

Step instructions:

1. Turn off the phone (clip Power + Volume up for 10 seconds if it freezes).
2. Press Power + Volume up and hold for 10-15 seconds until the Mi logo appears.
3. Release the buttons and you will be taken to the Recovery menu (black screen with English text).
4. Use volume buttons for navigation and power for selection.
5. Select Wipe Data → Wipe All Data → Confirm.
6. Once you’re done, go back to the main menu and select Reboot → Reboot to System.

If you don't have Wipe Data on the Recovery menu, your Redmi 9C has custom firmware installed, and the path may look like: Advanced → Wipe Dalvik/ART Cache, but the full reset is still done through Factory Reset.

What to do after resetting: initial setup

After a successful reset, the Redmi 9C will start in initial setup mode.

1. Choose the language and region (Russia is recommended for the correct operation of Xiaomi services).
2. Connect to Wi-Fi (required, otherwise you will not be able to log into accounts).
3. Enter data from the Mi Account that was tied before the reset.
4. Set up a Google account (if Find My Device is enabled).
5. Restore data from a backup (if it was created).

If at the stage of logging into the Mi-account there is an error "This device is linked to another account", then:

• 🔄 You enter incorrect data (check the keyboard layout).
• 📧 Your account has been deleted or blocked (try to restore it via the official website).
• 🔒 Reset protection was activated on the phone (requires a call to the Xiaomi service center).

Yes, because of viruses | Yes, because of the brakes | Yes, before the sale | No, never | I don't remember

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After setting up, check:

• 📶 Mobile network and Wi-Fi.
• 🔋 Battery charge (sometimes after resetting calibration is lost).
• 📷 The work of cameras and sensors (gyroscope, compass).

Common Mistakes and How to Avoid Them

Even experienced users sometimes make mistakes when resetting the Redmi 9C. Here are the most common ones and ways to prevent them:

1. Interrupting the process: If you pull out the battery or turn off the power during the reset, the phone may lose its entire performance (requires firmware through the reset). EDL-Always wait until the procedure is completed.
2. Ignoring backup: Many users hope to recover data through the Mi Cloud, but sync often doesn't work properly. Use Google Photos for media files and Export Contacts for contacts.
3. The wrong button combination for Recovery. Redmi 9C only runs Power + Volume up. Other combinations (like the Volume Down button) can run Fastboot rather than Recovery.
4. Using unofficial firmware: If you installed custom software (like LineageOS), a reset over standard Recovery can result in a bootloop (infinite reboot), in which case you need TWRP.

⚠️ Note: If you are buying a Redmi 9C You don't know the data from the previous owner's Mi Account, resetting to factory settings will lock the phone forever).

Another common problem is the loss of IMEI after a reset, which occurs due to the corruption of /efs files and leads to a lack of network.

• 📡 Do not interrupt the resetting process.
• 🛠️ Do not use questionable software to “optimize” the system.
• 🔧 If IMEI It is still missing, and can be restored via Engineering Mode (code #3646633##) or modem-partition firmware.

How to recover data after resetting

If the backup wasn't created, the chances of returning the data depend on whether the memory was overwritten after the reset.

• 📁 Restore via Google. If sync is enabled, contacts, calendars and certain settings will be restored automatically when you log in.
• ☁️ Mi Cloud. Go to i.mi.com from PC – there can be photos, notes and other information. SMS (if the function has been activated).
• 💾 Recovery software: Use DiskDigger, Recuva, or 7-Data Recovery (requires root rights) Connect your phone to your PC in mode MTP And scan your internal memory.
• 📱 Service centers: People can extract data with a Chip-Off, but it's expensive and not always possible.

Important: Don't write new files to your phone after a reset, which reduces the chances of recovering old data, and the more information you overwrite, the harder it is to recover what you lost.

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The only reliable way to save data is to back up before the reset, and recovery after the memory is cleaned does not guarantee 100% results, especially for messages and applications.

If you've used SD-The card is an internal memory function called Adoptable Storage, and the data on it will also be deleted:

1. Go to Settings. → Warehouse.
2. Press on. SD-map → Disable (if used as internal memory).
3. Remove the card before resetting.

Frequent questions about the reset Xiaomi Redmi 9C