How to return Xiaomi Redmi 9 to factory settings: a detailed guide

Why reset Redmi 9 to factory settings?

Resetting the Xiaomi Redmi 9 to factory status is a radical but effective way to solve most software problems, which may be needed if the smartphone started to brake after the MIUI update, is infected with viruses, constantly overheats, or you sell the device and want to delete all personal data. Unlike a normal reboot, a full reset erases all apps, settings, accounts and files from internal memory, returning the phone to the state of the box.

It is important to understand that the procedure does not affect the data on SD-The card (if installed) cleans the built-in storage completely. On Redmi 9, the reset takes 5-15 minutes depending on the method chosen and the system load. In this article, we will analyze three proven methods, including recovery through the hidden Recovery menu and the command line Fastboot.

Before you start, answer two questions: why do you need a reset (maybe cleaning the cache solves the problem?) and are you ready to lose all data?

Preparing for the dump: what to do

The unpleasant surprise after a reset is the loss of photos, contacts or messages. To avoid this, follow three critical steps:

• 📱 Create a backup through Settings → The phone. → Backup or manually copy files to your PC. Cloud services (Google Drive, Mi Cloud) will save contacts and some settings, but not all data.
• 🔋 Charge the phone to at least 50%. interruption of the process due to battery discharge can lead to the inability to turn on the device without flashing through the PC.
• 🔐 Make sure to remember the data from the Mi Account. After the reset, Xiaomi may require you to enter a login and password to unlock (Mi Account Lock feature).

If you are selling a phone, you should also:

• 📲 Log out of all accounts (Google, Mi Account, social networks) to Settings → Accounts.
• 💳 Remove Bank Cards from Google Pay and Other Payment Systems.
• 📡 Disconnect your device from Wi-Fi and cellular networks if you plan to reset via Recovery (this will speed up the process).

⚠️ Note: If you forget your Mi Account password, a reset without detachment will result in your phone being locked.Restore your account before the procedure starts via account.xiaomi.com.

Make sure your phone is 50%+ charged

Create a backup copy of important data

Remember the username/password from Mi Account

Sign out of all accounts (if you sell your phone)

Delete SIM-map SD-map (optional)-->

Method 1: Reset via the settings menu (the easiest one)

This method is suitable if the phone is turned on and you remember the pattern lock or PIN-The interface may vary depending on the version. MIUI, But the general logic holds:

1. Open Settings (the gear icon on the main screen).
2. Go to the About Phone section. → Backup and reset.
3. Select Reset (in some versions – Reset to factory settings).
4. The system will tell you what to clean: 📱 Annexes and their data 📂 Media files (photos, videos, music) 📞 Settings and accounts

Reset the settings

The phone will restart and start the cleanup process, and the Redmi logo and progress indicator will appear on the screen, and don't interrupt the process, it can damage system files, and when it's finished, the device will turn on as new, with a choice of language and region.

⚠️ Warning: If after resetting the phone requires you to enter the password from Mi Account, and you do not remember it - do not try to guess. 5 Failed attempts to lock the device 24 Use the official unlock service. i.mi.com/unlock.

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If resetting through the menu doesn’t help (for example, the phone hangs on the logo), try the method through Recovery – it bypasses some software locks.

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

If Redmi 9 is stuck on the boot, does not respond to touches or is locked with a pattern lock, use Recovery Mode. This is a built-in recovery menu, available even when corrupted system files.

1. Turn off the phone with a long press on the power button (10-15 seconds).
2. Press the Power Button + Volume Up button at the same time and hold for 10-15 seconds until the Mi logo appears.
3. Release the buttons and you will see the Recovery menu in English (sometimes with Chinese characters).
4. Use volume buttons for navigation and power button for selecting the item. Select Wipe Data → Wipe All Data → Confirm
5. Confirm the action by choosing Yes.

Step-by-step:

1. Install ADB and Fastboot drivers on your PC (for example, via Mi PC Suite).
2. Unpack the archive with firmware in a folder without Cyrillic characters (for example, C:\Redmi9_Firmware).
3. Turn off the phone and turn it into Fastboot mode: Press <Power button> + < Volume down button> for 10 seconds. The hare in the ear hat (Fastboot logo) will appear on the screen.
4. Connect your phone to your PC and start the Mi Flash Tool.
5. In the program, click Select and specify the path to the firmware folder. Then select Clean All mode and click Flash.
6. Wait for the process to be completed (5-10 minutes) and the phone will reboot automatically.

⚠️ Warning: Do not disconnect the cable or interrupt the firmware process! This can lead to a complete loss of device performance ("brick"). If the Mi Flash Tool gives an error, check: Is the drivers installed correctly (Android Bootloader Interface should be displayed in Device Manager). Is the firmware version of your Redmi 9 model (e.g., ginkgo for global version) disabled).

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Fastboot reset is the only way to bring a phone back to life if it doesn't respond to other methods, however, it requires strict adherence to instructions and is only suitable for confident users.

Frequent Mistakes and How to Avoid Them

Even when following the instructions, users face problems, and consider common mistakes and their solutions:

If you are selling a phone and a customer complains that they can’t activate the device because of their Mi Account connection, check:

• 📱 Have you logged out before the reset (in Settings) → Accounts. → Mi Account).
• 🔄 Was Find Device disabled in the security settings.

If the error repeats, contact the Xiaomi service center with a check about the purchase. They can unpeg officially.

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Before selling Redmi 9, take a photo or video of the process of exiting and resetting your Mi Account.

What do I do after the dump?

The phone has been successfully dropped and turned on, and now we need to get it back to working order.

1. Setting up: Select language, region and connect to Wi-Fi. Skip sign-in to Mi Account if you sell a phone. Update MIUI to the latest version in Settings → About Phone → System Update.
2. Data recovery: If you made a backup through Mi Cloud, log in and recover data. Move files from your PC or SD-card back to phone.

Optimization of work:

• Turn off the autoload of unnecessary applications in Settings → Applications → Autorun.
• Install an antivirus (such as Avast or Bitdefender) to protect against malware.

If the reset was done to remove the brakes, but the problem remained, check:

• 📉 Memory Occupation: Go to Settings → Memory and clear cache.
• 🔋 Battery status: If the phone is quickly discharged, the battery may be worn out (check in Settings). → Battery → Battery status).
• 📡 Cellular network: weak signal can slow down work. Try changing operator or activating VoLTE.

FAQ: Answers to Frequent Questions

Mi Account

• Go to account.xiaomi.com and restore the password.
• If your account is not yours (for example, a handheld phone is purchased), contact the previous owner or support Xiaomi with proof of purchase.

Without access to accounts, it is officially impossible to unlock your phone, and do not trust services that offer FRP circumvention, which is fraud or a violation of the license agreement.