How to reset Xiaomi Redmi 9A to factory settings: a complete guide with photos and videos

Why you need a reset to factory settings and when to apply it

Resetting the Xiaomi Redmi 9A 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 a “box-like” state.

First, if the phone started to slow down or spontaneously reboot after the MIUI update; second, when you need to completely clear the memory before selling or transferring the device to another person; and third, when you forget the pattern lock or password, when you can not unlock the screen with standard methods.

It is important to understand that resetting does not fix hardware malfunctions (such as a broken speaker or a broken screen), but helps to eliminate software failures. On the Redmi 9A, the procedure takes 5-15 minutes depending on the method chosen.

Preparation for resetting: what to do in advance

Before you start resetting, follow a few critical steps that will save you from losing important data and unexpected problems in the process.

• 📱 Back up. Use the settings. → Google → Backup or manually copy photos, contacts and files to your PC. Cloud services (Mi Cloud, Google Drive) will save your application settings.
• 🔋 Charge the battery to at least 50%. interruption of the process due to battery discharge can lead to the inability to turn on the phone without flashing through the flashing device. EDL.
• 🔐 Make sure you know the Mi Account. After resetting, the phone may require you to enter a username/password from your Xiaomi account (if it was tied).
• 📡 Turn it off. SIM-This will prevent accidental microSD formatting and network recognition problems after resetting.

If you reset your phone before selling, remember to log out of all accounts (Google, Mi, social media) manually. To do this, go to Settings → Accounts and Sync and delete all associated profiles.

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

This is a method that works if the phone turns on and you can log in, and it's the simplest and doesn't require any additional tools.

1. Open the Settings app (the gear icon on the home screen).
2. Scroll down and select About Phone.
3. Slip on the item Backup and reset.
4. Select Reset (in some versions of MIUI – Reset all settings).
5. Confirm the action by entering a pattern lock or PIN-code, if required.
6. Wait until the process is complete (the phone will reboot automatically).

Once you reboot, you'll be asked to set up your phone as new. If you previously had a Mi Account tied, you'll need to enter the data to unlock it.

Backup of important data is made|Battery charged. >50%|Removed. SIM microSD|Mi Cloud sync is disabled (if not needed)|Password from Mi Account is stored-->

⚠️ Note: If after resetting the phone requires data entry from Mi Account, but you do not remember them, restore access through account.xiaomi.com. Using informal methods of bypassing the lock can lead to a complete loss of functionality of the device.

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

If the Redmi 9A is stuck on the logo, reboots cyclically or doesn’t respond to touch, use Recovery Mode, which works even when the screen is locked.

1. Turn off the phone with a long press of the power button (10-15 seconds).
2. Press the Power button and the Volume Up button at the same time.
3. Hold them for 10-15 seconds until the Mi logo and Recovery menu appear.
4. With volume buttons, select Wipe Data (or Wipe & Reset in newer versions).
5. Confirm the choice of the power button.
6. Select Wipe All Data and confirm it again.
7. After the process is complete, select Reboot to reboot.

In Recovery Mode, the touch screen is not working, with only the volume (up/down) and power (select) buttons, and if the menu is in Chinese, focus on the location of the items (usually Wipe Data is the third on top).

Method 3: Fastboot Reset (for power users)

Fastboot is the most reliable method, but it requires a computer and minimal command line skills.

• 🔄 The phone is not included in Recovery Mode;
• 🔐 You need to bypass the Mi Account lock (only for unlocked bootloader!);
• 🛠️ Refuse the device after a failed update.

The work will require:

• 💻 Computer with Windows/Linux;
• 🔌 Cable USB (preferably original);
• 📦 Google's Platform Tools utility;
• 🔧 Unlocked bootloader (if you plan to firmware).

Step-by-step:

1. Turn off the phone.
2. Press the Power button + Volume down for 10 seconds to enter the Fastboot Mode (a hare in a hat-eared image will appear).
3. Connect the phone to the PC.
4. Open the command line in the folder with Platform Tools and execute the command: fastboot devices If the device is determined (the serial number appears), continue. If not, install Xiaomi USB Drivers drivers.
5. For a full reset, type fastboot erase userdata fastboot erase cache fastboot reboot.

After the commands are executed, the phone will restart in clean condition. If you need a full flash, instead of 5, use the command fastboot flash all.zip, pre-downloading the official firmware for Redmi 9A from the MIUI Download site.

⚠️ Attention: fastboot erase commands permanently delete data. If you are not sure about your actions, contact the service center. Incorrect use of Fastboot can lead to a "brick" (completely inoperable) device.

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If the phone doesn't turn on after reset via Fastboot, try pressing the power button for 30-60 seconds. Sometimes the device "falls asleep" after commands and requires a forced reboot.

Frequent Resetting Mistakes and How to Avoid Them

Even when following instructions, users face problems, and here are the most common mistakes and solutions:

• 🔴 "Invalid operation" in Recovery - means that the reset is blocked by the security policy.
• 🔴 The phone vibrates, but it doesn't turn on after reset, and it may have damaged the bootloader. Solution: run the device through the Mi Flash Tool in mode. EDL (You need an authorized Xiaomi account).
• 🔴 After resetting, there is no network - the settings are lost IMEI. Solution: Restore IMEI via the engineering menu (#4636##) or SN Writer Tool.
• 🔴 Mi Account does not accept passwords - account may have been blocked for suspicious activity Solution: Restore access via email or linked phone number.

If after resetting the phone began to warm up or discharge quickly, perform additional steps:

1. Reset the settings again (sometimes there are artifacts left after the first reset).
2. Update the firmware to the latest version through Settings → System Update.
3. Check the safe mode (press the power button → Safe mode). If the problem disappears, the third-party application is to blame.

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If after a reset, the phone requires a Xiaomi account that you do not remember, DO NOT try to bypass the lock through left-handed programs.This violates Xiaomi’s policy and may result in the blocking of the IMEI device.

How to recover data after resetting

If you haven't backed up, the chances of getting your deleted data back are minimal, but there are. Here's what you can try:

• 📁 Photos and videos: Use programs like DiskDigger or Recuva (root access required). Connect your phone to your PC in mode MTP And scan your internal memory.
• 📞 Contacts: If Google sync was enabled, contacts will be restored automatically when you log in. check contacts.google.com.
• 📱 Messages: Annexes of type SMS Backup & Restore may be restored SMS, If a backup was made to the cloud before the reset.
• 🎮 Game Save: Many games (e.g. Genshin Impact or Game Resources) PUBG Mobile) Linking progress to your account Google/Facebook. Log in again to return the saves.

For the future: set up automatic backup in Settings → Google → Backup. Xiaomi also offers its own Mi Cloud (5GB for free) where you can store copies of contacts, notes and photos.

If data is critical, contact the data recovery lab, the cost of the service starts from 3,000 rubles, but the chances of returning files are 60-80% (provided that no new data is written after the reset).

FAQ: Answers to Frequent Questions