Reset Xiaomi 7A to factory settings: 3 proven ways + frequent errors

Why would you want to reset the Xiaomi Mi A7?

Resetting the Xiaomi Mi A7 (also known as the Xiaomi 7A) to factory settings is a radical but sometimes necessary solution, which returns the device to its original state by removing all user data, apps and settings, most commonly used in three cases:

First, if the phone starts to brake or overheat for no apparent reason. Over time, the system gets clogged with cache, residual files of deleted applications and fragmented data. Even regular cleaning through Settings β†’ Memory does not always solve the problem - a factory reset acts as a "hard reboot" for the software part. Second, a reset is mandatory before selling or transferring the device to another user: this ensures that your personal data (photos, messages, passwords) does not fall into the wrong hands.

A third common cause is software failures, where the smartphone doesn't turn on, reboots cyclically, or issues errors like com.android.phone stopped. On the Mi A7, this can happen after a failed update, custom firmware installation, or application conflicts, and unlike hardware failures (such as damage to the motherboard), these problems are often solved by a reset.

However, it is important to understand that reset is not a panacea. If the phone is not detected by the computer in Fastboot mode or does not respond to charging, the problem is more hardware, and then you will need repairs. Also, do not confuse the Mi A7 with other models of the A series (for example, Mi A1/A2/A3): despite the similar names, they have different versions of Android and MIUI, which affects the reset process.

Preparation for resetting: what to do in advance

Before you start resetting, follow a few critical steps: ignoring them can lead to the loss of important data or even to the β€œbrick” of the phone. Start with a backup: even if the phone is unstable, try to save at least the most valuable files.

For backup on the Mi A7 suitable:

  • πŸ“ Local Backup: Use the built-in Settings feature β†’ System system β†’ Backup. It keeps the contacts, SMS, Wi-Fi settings and some app data (but not photos!) The backup file will lie in the folder MIUI/Backup/AllBackup.
  • ☁️ Xiaomi Cloud: If You Have a Mi Account, Sync Your Data Through Settings β†’ Xiaomi account β†’ Cloud: 5GB is available for free, enough for contacts and notes.
  • πŸ’» Computer: Connect the phone to USB file transfer (MTP) And manually copy the folders. DCIM (Photo/video, Downloads and WhatsApp/Media (if you use a messenger).
  • πŸ”„ Third-party applications: Swift Backup (requires root) or Titanium Backup are suitable for a full backup (including applications and their data.

Pay special attention to your Google and Mi Account. After reset, the phone may require you to enter a login / password from the last associated account (FRP-If you forget the data, restore it in advance on account.xiaomi.com. Also check if the device is linked to a Google account – without it, you can not download applications from the Play Market after reset.

⚠️ Note: If you have installed custom Recovery (for example, TWRP), Resetting through a standard menu can result in loss of access to the system. TWRP or Fastboot.

It is equally important to charge the phone to at least 50%. Resetting is an energy-intensive process, and if the battery runs out during the operation, it can interrupt it at a critical stage. Also prepare a USB cable and a computer (in case you need to reset via the Mi Flash Tool).

πŸ“Š How often do you backup your smartphone?
Once a month
Only before the dump.
Never.
Using the cloud.
Another option

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

If the phone is turned on and responsive to touch, this method is the best choice. It requires no additional tools and takes only 5-10 minutes. The instructions are relevant for the Mi A7 based on MIUI 12/13/14 or Android One (depending on the regional firmware).

Steps for discharge:

  1. Open Settings (the gear icon on the main screen).
  2. Go to About Phone (some versions of MIUI call it About Device).
  3. Slip on Reset (or Reset and Reset).
  4. Select Reset all settings (not to be confused with Network Reset!).
  5. The system will be asked to PIN-code or pattern lock (if installed).
  6. Confirm the action by clicking Delete Everything or Reset the phone.

Once confirmed, the phone will restart and begin the cleaning process, the Mi logo and progress bar will appear on the screen. Don't interrupt the process, this can damage system files. On average, the reset takes 3-7 minutes, after which the device will boot as new, with a welcome screen.

⚠️ Note: Some of the Mi's firmware A7 After the reset, there may be a mistake No. OS This means that the system has not detected the boot partition, in which case you will need to reflash the phone via Fastboot (see Method 3).

If you are planning to sell the phone, after the reset, it is recommended to:

  • πŸ”„ Reboot the device 2-3 times to ensure stability.
  • πŸ“± Check the operation of the main functions: cameras, Wi-Fi, Bluetooth, sensors.
  • πŸ”’ Make sure that in the settings β†’ No Accounts with Linked Profiles.

β˜‘οΈ Checklist before resetting through the menu

Done: 0 / 5

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

If Mi A7 It doesn't load beyond the logo, freezes on the Mi screen or reboots cyclically, and resets through Recovery mode can also help if you've forgotten your pattern lock or PIN-But there's a caveat here: on the Mi. A7 It can be installed either standard Recovery (from Xiaomi), or custom (for example, TWRP). The instructions for them are different.

To enter Recovery Mode:

  1. Turn off the phone (press the power button for 10-15 seconds).
  2. Press the Power button + Volume Up button at the same time.
  3. Hold them until the Mi logo appears, then let them go.
  4. In a few seconds, the Recovery menu (in English or Chinese) will appear.

If you have standard recovery:

  • Use volume buttons for navigation and power button for selection.
  • Select Wipe Data (or Clear Data)
  • Confirm the action by selecting Wipe All Data.
  • Once completed, select Reboot to reboot.

If you have TWRP:

  • Slip the Wipe on the main screen.
  • Select Advanced Wipe.
  • Check the Dalvik/ART Cache, System, Data, Internal Storage and Cache sections.
  • Swipe the Swipe to Wipe slider for confirmation.
  • After cleaning, press Reboot System.

In both cases, the phone will restart and start setting up initially, and if the device doesn't boot after resetting via TWRP, the boot partition may be damaged, in which case you'll need to flash it through Fastboot (see next section).

What happens if Recovery does not open?
If the phone vibrates after the buttons are pressed, but the menu does not appear, try: 1. Connect the charger (sometimes helps with a discharged battery). 2. Use the Power + Volume Reduction combination (on some firmware). 3. Refuse Recovery via Fastboot using the command fastboot flash recovery twrp.img (unlocked bootloader is required).

Method 3: Hard reset via Fastboot (for power users)

This method is the most radical and requires a computer with ADB/Fastboot drivers installed and the Mi Flash Tool.

  • The phone does not turn on or respond to buttons.
  • Resetting via Recovery did not help (no OS installed error).
  • You need to reflash the device on clean firmware (for example, after an unsuccessful update).

We warn you that the wrong actions in the Fastboot can "brick" the phone, if you are not sure of your skills, you should contact the service center.

  • πŸ’» Windows computer 7/10/11 (on Mac/Linux Possible problems with drivers).
  • πŸ”Œ Original. USB-cable (don’t use cheap Chinese cables – they can interrupt the connection).
  • πŸ“¦ Firmware for Mi A7 (Download from the official Xiaomi website or forum 4PDA).
  • πŸ› οΈ Used by Mi Flash Tool, ADB/Fastboot drivers.

Step-by-step:

  1. Install ADB/Fastboot drivers (you can download from Minimal ADB and Fastboot).
  2. Unpack the archive with firmware in a folder without Cyrillic characters (for example, C:\MiA7_firmware).
  3. Turn off the phone and put it in Fastboot mode: pinch Power + Volume down until a bunny with the inscription Fastboot appears.
  4. Connect the phone to the computer.
  5. Open the Mi Flash Tool, press Select and point the path to the firmware folder.
  6. At the bottom, select Clean All (Full Cleaning) or Clean All and Lock (Cleaning + Lock bootloader).
  7. Press Flash and wait until it is completed (10-15 minutes).

If the process is successful, the phone will reboot to its original state. If an anti-rollback error occurs, you are trying to install an older version of the firmware than the one before, in which case you need to download a newer firmware or use the Anti-Rollback Reset Tool (available on the XDA or 4PDA forums).

Mistake.Reason.Decision
No OS installedSystem partition damagedFastboot with Clean All Choice
Anti-rollbackAttempt to roll back on old firmwareUse the firmware of the new version or reset the anti-rollback
Device not foundFastboot drivers not installedReinstall drivers through Device Manager
Flash failedA firmware file or cable is damagedDownload the firmware again, check the cable

1.Change. USB-port (better to use port) USB 2.0 on the back of the PC).

2. Launch the utility on behalf of the administrator.

3. in Device Manager manually update the driver for Android Bootloader Interface device.-->

Frequent mistakes after resetting and how to fix them

Even after a successful reset, the Mi A7 may not behave properly.

1.The phone asks for a password from Mi Account after resetting

This is FRP-blocking (Factory Reset Protection), which works if before the reset was tied to the Xiaomi account.

  • Enter the login and password from the last account associated.
  • If you forget your data, restore it via account.xiaomi.com.
  • If your account is not yours (the phone is hand-built), contact the previous owner or provide proof of purchase to the Xiaomi service center.

2.The sensor or buttons are not working.

If the phone does not respond to touch after reset, the reason may be:

  • πŸ”§ Damaged display module (replacement required).
  • πŸ“± Sensor calibration failure: Try flashing your phone over Fastboot.
  • πŸ”Œ Faulty plume (frequent problem after falls).

3.The phone does not connect to Wi-Fi or mobile network

After reset, the settings of the communication module may be lost.

  • πŸ“Ά B Settings β†’ SIM-maps and mobile networks whether data roaming is enabled (sometimes helps with problems with the Internet) 4G).
  • πŸ”„ Restart router and phone.
  • πŸ“‘ B Settings β†’ Wi-Fi try to connect to the network manually, specifying IP-static.
  • πŸ› οΈ If nothing helps, reset your network settings: Settings β†’ System system β†’ Resetting settings β†’ Resetting network settings.

4.Fast battery discharge after discharge

This is normal in the first 2-3 days: the system indexes files, updates applications and calibrates the battery.

  • πŸ”‹ Check the Settings. β†’ Battery for the presence of β€œgluttonous” applications.
  • πŸ“΅ Turn off Auto Brightness and Bluetooth Device Search in the background.
  • πŸ”„ Calibrate the battery: discharge the phone to 0%, then charge to 100% without interruptions.

1. Are not resource-intensive processes running (Settings β†’ Applications β†’ Launched).

2. Is there a beta version of the firmware installed (they often contain bugs).

3. Is the battery damaged (use the AccuBattery app for diagnostics).-->

How to recover data after reset (if there is no backup)

If you forgot to make a backup, the chances of returning the data depend on what type of reset was performed:

  • πŸ“± Reset via the settings menu: data is deleted programmatically and can be tried to recover using DiskDigger, Recuva or 7-Data But success is not guaranteed - the more you use your phone after a reset, the less likely you are to be.
  • πŸ”§ Dumping through Recovery/Fastboot: Data is deleted at a low level (partition formatting) /data), It is almost impossible to restore them without specialized equipment (for example, Chip-Off).

To recover photos and videos:

  1. Connect your phone to your computer in MTP mode.
  2. Start DiskDigger (there is a free version for Android).
  3. Select the Internal Storage section and click Scan.
  4. After scanning, mark the desired files and save them to the PC.

To restore contacts and SMS:

  • If a backup was enabled in a Google Account, contacts are automatically synced when you first connect to the Internet.
  • For SMS, try SMS Backup & Restore (if you have a backup to the cloud before the reset).
  • If your phone was tied to Mi Account, check Settings β†’ Xiaomi Account β†’ Cloud β†’ Contacts.

Important: Do not install recovery programs on the phone itself, this can overwrite deleted data, and avoid formatting internal memory via a PC (for example, in Windows Disk Control), otherwise the chances of recovery will be reduced to zero.

FAQ: Answers to Frequent Questions

Can I reset the Mi A7 without losing data?
No, any reset to factory settings deletes user data. However, you can selectively delete unnecessary files via Settings β†’ Memory β†’ Cleanup or use ADB to selectively remove applications without reset: adb shell pm uninstall -k --user 0 com.example.app Where com.example.app is the batch name of the application (you can find out through App Inspector).
The phone after the reset asks for the old Wi-Fi password.
This happens if AutoRecovery was enabled before the reset. To reset Wi-Fi settings: Go to Settings β†’ Wi-Fi. Tap three dots in the upper right corner and select Additional. Click Network Reset. If that doesn't help, try connecting to another network or reset your phone again by pre-disabling AutoRecovery in Google Account.
The reset stopped and the phone is now off.
If the reset was interrupted (e.g., the battery has gone down), try: Charge the phone for 30 to 60 minutes off (sometimes helping to "swing" the battery); Re-reset via Recovery (see Method 2). If it doesn't work, run the phone through Fastboot (see Method 3). If the phone doesn't even respond to charging (no indication), the power controller may be damaged - there is already repair.
How to reset the Mi A7 if you forget the pattern lock?
There are three options: via Mi Account: on the tap screen, log in to Xiaomi. Through Recovery: reset the instructions from Method 2 (data will be deleted). Through ADB (if USB debugging is enabled): connect the phone to your PC and do: adb shell rm /data/system/gesture.key adb shell rm /data/system/locksettings.db Then reboot the device. If USB debugging is disabled, only reset via Reycover.
After the dump, the IMEI's gone. How do you recover it?
Losing IMEI after a reset is a rare but critical issue. This usually happens because of damage to the /efs partition. To recover: Download the original firmware for your Mi A7 model (it's important that the version matches!). Remove from the firmware archive the nvram.img file or modem.img. Run it through Fastboot: fastboot flash modem modem.img Reboot the phone and check the IMEI through *#06#. If the IMEI is still missing, you may have a damaged module service.