How to return factory settings to Xiaomi 9A: 3 working ways

Resetting the Xiaomi 9A to factory settings can be necessary in a variety of situations, from the banal sale of the device to combat software failures. However, many users are afraid of this procedure for fear of losing important data or even “bricking” the smartphone. In fact, a proper reset is a safe and effective way to return the phone to its original health, if you know all the nuances.

In this article, we will discuss the three official methods of resetting Xiaomi 9A (including hidden MIUI features), explain how to prepare for the procedure so as not to lose photos and contacts, and also tell you what to do if the smartphone does not turn on after the reset or requires a Mi Account.

If your Xiaomi 9A starts to slow down, spontaneously reboot, or make errors when installing applications, factory resets often solve these problems, but it's important to understand that this is not a panacea. For example, for hardware failures (damaged motherboard or charging connector), reset will not help, but it will return the "clean" system if the conflicting applications or viruses are to blame.

1.Resetting preparation: what to do before the start

Before you hit the Reset button, make sure you don't lose critical data. Even if the phone is unstable, you have a chance to save most of the information.

First rule: sync your contacts, notes, and calendar to your Google or Mi Account account. → Accounts and syncs, and check if automatic sync is enabled. If not, manually turn it on and wait until the process is complete. Contacts tied to the sync. SIM-The map will not be synchronized, they will have to be stored separately.

Second, copy photos, videos and documents to a computer or a cloud, and you can use:

• 📁 Windows Explorer (Plug your phone in on the phone) USB file transfer mode)
• ☁️ Google Photos or Mi Cloud (automatic download over Wi-Fi)
• 🔗 Applications like Xender or ShareIt for local area network transmission

⚠️ Warning: If you forget the password from the Mi Account tied to the phone, the reset may lock the device! Before the procedure, make sure to remember the username / password or untie the account in Settings → Xiaomi account → Delete the account.

Also check if you have backups:

• 📱 Copies SMS (You can export it through applications like SMS Backup & Restore)

2. Method 1: Reset via the settings menu (the safest)

This is a method that works if the phone turns on and you can log in, and it's the simplest and the least risky.

Instructions:

1. Open Settings (the gear icon on the main screen).
2. Go to the About Phone section (usually at the bottom of the list).
3. Select Resetting → Erase all data.
4. If required, enter a pattern lock or PIN-code.
5. Confirm the action by clicking Delete Everything.

The phone will reboot and start the cleaning process, which will take 5-15 minutes, and when you complete it, you will see the screen of the initial setup, as after you purchase it.

⚠️ Attention: On some firmware MIUI After the reset, you may need to enter data from the Mi Account that was tied to the phone. If you do not remember the password, restore it in advance at account.xiaomi.com.

Synchronized contacts and calendar

Photos and videos copied

Battery charge > 50%

I remember the password from Mi Account (if tied).

Find My Device (if used) is turned off)-->

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

If the Xiaomi 9A is stuck on the logo, reboots cyclically or doesn’t respond to touch, you’ll have to use Recovery Mode, a method that’s more difficult but saves you in critical situations.

How to log in to 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.
3. Keep them until the Mi logo and menu appear in English.

In the Recovery menu, the control is carried out by the volume (move) and power (select) buttons.

1. Select Wipe Data (or Wipe & Reset in newer versions).
2. Confirm the action by selecting Wipe All Data.
3. After cleaning, go back to the main menu and select Reboot → Reboot to System.

If you need a password in the Recovery menu, it means that the phone has FRP (Factory Reset Protection) protection turned on, in which case you will need to enter data from the Mi Account that was previously linked after the reset.

Method 3: Reset via Fastboot (for power users)

This method is used if the first two fail or the phone is in a soft brick state (it does not boot, but reacts to the connection to the PC).

What you need:

• 🖥️ Computer with drivers installed ADB/Fastboot (You can download from the Android website).
• 🔌 Cable USB (preferably original).
• 🔋 Battery charge of at least 30%.

Instructions:

1. Turn off your phone and press the Power button + Volume down to enter the Fastboot Mode (a hare in a hat-eared hat will appear).
2. Connect the phone to the PC.
3. Open the command line (Win + R → enter cmd) and execute commands in turn: fastboot devices (should display the serial number of your device) fastboot erase userdata fastboot erase cache fastboot reboot

Once you reboot, the phone will be reset to factory settings, and if the process is stalled, don't turn off the cable, wait 10 to 15 minutes.

⚠️ Attention: fastboot erase commands delete data irrevocably. If you plan to sell your phone, it is recommended to further format internal memory in Recovery Mode (Wipe Data) after reset via Fastboot. → Format Data).

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If the phone doesn’t turn on after reset via Fastboot, try flashing it with the official firmware through the Mi Flash Tool. You can download the firmware for Xiaomi 9A on en.miui.com (select the Fastboot version for your model).

5.What to do after reset: initial setup

After a successful reset, Xiaomi 9A will offer to go through the initial setup.

Step 1: Choosing a language and region

• Please specify the correct region (e.g., Russia) to avoid problems with Google services.
• The interface language can be changed later in the settings.

Step 2: Connecting to Wi-Fi

• Connect immediately to the network to sync accounts and update the firmware.
• If Wi-Fi is not working, check if flight mode is on (sometimes it is activated after reset).

Step 3: Log in to accounts

• 🔑 Mi Account: If your phone required it before resetting, enter the same data.
• 📧 Google Account: Add your main account to sync your contacts and apps.

Step 4: Data recovery

• If you’ve been backing up through Mi Cloud or Google Drive, the system will suggest restoring it at this point.
• Photos and videos can be returned from the cloud or from a computer.

Step 5: Update the system

• Go to Settings → About Phone → Update the system and install the latest security patches.
• If a major MIUI update is available, it’s best to install it right away – this will fix possible bugs after a reset.

6. Common Post-Dumping Problems and Their Solutions

Even after a successful reset, problems can occur, and here are the most common ones and ways to fix them:

Problem 1: Phone requires old Mi Account after reset

This means that the device has activated FRP (Factory Reset Protection) protection.

Problem 2: The sensor or buttons are not working.

Sometimes, after reset, the sensor drivers are reset.

Problem 3: Not connected to the mobile network

If the connection is missing after the reset:

• 📶 Check if it's inserted. SIM-map (sometimes it falls out when disassembling).
• 🔄 Go to Settings. → SIM-Maps and mobile networks and select the operator manually.
• 📡 Update the settings APN (usually come SMS operator).

Problem 4: The battery is rapidly draining

After reset, the system indexes files and optimizes applications, which can increase battery consumption by 1-2 days.

• 🔋 Let the phone fully discharge and charge (battery calibration).
• ⚙️ Enable energy saving mode in Settings → Battery.
• 📵 Turn off unnecessary background processes in Settings → Annexes → Auto-start.

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If the phone gets worse after the reset (brakes, heats up), it's probably a hardware problem, a worn-out battery or an overheating processor, and then the reset won't help, you need a diagnosis at the service center.

7.How to avoid resetting errors: tips from experts

Many users make the same mistakes that lead to data loss or a “brick” phone, and this is what you can’t do when resetting the Xiaomi 9A:

Mistake 1: Resetting with low battery charge

If the battery is less than 30%, the phone may shut down during the procedure, causing damage to system files. Always charge the device to at least 50% before resetting.

Mistake 2: Interrupting the process

Don't take the battery out, press buttons, or turn off power while the reset is underway (the progress bar is on the screen), which can lead to a boot cycle.

Error 3: Using unofficial firmware

If you decide to flash your phone after a reset, download the firmware only from the official Xiaomi website. Unofficial builds may contain viruses or work unstable.

Mistake 4: Missing backup

Even if you sync contacts, check if:

Mistake 5: Ignoring updates after reset

The older version of MIUI may contain bugs that will cause the phone to brake again. Always install the latest updates in Settings → System Update.

1. Delete all accounts (Google, Mi Account, social networks).

2. disable Find My Device in Google Settings.

3. exit the Mi Cloud and untie the device at i.mi.com.

This will protect your data and avoid problems for the new owner.-->

FAQ: Frequent questions about resetting Xiaomi 9A