Reset settings on Xiaomi Mi 9A: all the ways and nuances

Resetting the Xiaomi Mi 9A can be required in a variety of situations, from trivial system slowdowns to serious software failures. This model, released in 2019, is still popular due to balanced performance and reliable MIUI firmware. However, even the most stable software eventually begins to slow down due to accumulated digital debris, application conflicts or failed updates.

Factory reset is a radical but effective way to get your smartphone back to its performance. It is important to understand that a full reset removes all user data, including photos, contacts and installed apps. So you need to make a backup before the procedure. In this article, we will discuss all the current reset methods for the Mi 9A, including hidden nuances that are not written in the standard instructions.

When you need to reset settings on Xiaomi Mi 9A

Slowing down your smartphone doesn’t always require drastic measures. Before you start resetting, check for more gentle optimization methods:

• 🔄 Cleaning the cache through Settings → Warehouse → Clear cache – deletes temporary files without affecting personal data.
• 📱 Disabling Autoboot of Unnecessary Applications in Settings → Annexes → Auto-start.
• 🔋 Battery calibration (discharge to 0% and charge to 100% without interruptions) – sometimes solves problems with fast discharge.
• 🔄 Update MIUI Up to the latest version through Settings → The phone. → Updating the system.

If these measures do not help, resetting is justified in the following cases:

• 🐢 The smartphone is stuck on the logo or cyclically rebooting ("bootloop»).
• 📉 Performance fell to less than 50% of the original (according to tests in AnTuTu or Geekbench).
• 🔒 Forgot a graphical key or unlock password.
• 🦠 Suspicion of virus infection (for example, advertising in the status line or spontaneous installation of applications).
• 📦 Before selling or transferring a phone to another user.

⚠️ Attention: If Mi 9A It doesn't turn on at all (no response to charging and power button), it's more of a hardware problem. Recovery won't help here - it requires a diagnosis at a service center.

Preparing for resetting: what to do in advance

Before you reset the Xiaomi Mi 9A, follow the steps you need to take to avoid losing important data:

1. Create a backup through Settings → Additional → Backup and Reset → Local Backup. Alternatively, use Mi Cloud (Xiaomi account required).
2. Save your contacts to your Google Account or export them to a.vcf file.
3. Move photos and videos to your PC or cloud (like Google Photos).
4. Write down the data of accounts (logins / passwords from social networks, instant messengers, banking applications).
5. Make sure the phone is at least 50% charged – this will prevent you from turning off during reset.

If you use two-factor authentication (2FA) in messengers or banks, disable it or save backup codes. After reset, access to accounts without them can be blocked.

⚠️ Attention: On Mi 9A With an unlocked bootloader, after reset, you may need to re-authorize your Xiaomi account. If you don't remember the data from it, the phone will turn into a "brick"! Method 1: Reset via the settings menu (soft reset) This is the safest method, since it is performed from a working system. This is good if the phone turns on and reacts to touch. Instructions: Open Settings (the gear icon on the home screen). Go to About Phone → Additionally. → Recovery and Reset. Select Settings Reset. The system will tell you what to delete: 📱 Annexes and their data 📁 Media files (photos, videos, music) 📞 Settings and accounts Press Reset and confirm the action with a password (if installed). Wait for the reboot (it will take 5-10 minutes). Once completed, the phone will turn on with the original setup wizard, as after purchase. If at this stage there is an error “Can not reset the settings”, try alternative methods (described below). 💡If after reset, the phone asks you to enter the old password from your Google account (FRP), If you don’t remember it, use the guide. FRP Method 2: Recovery Mode (hard reset) This method will come in handy if Mi is used. 9A It doesn't turn on, freezes on the logo, or doesn't respond to touch. It uses hardware buttons to log in to Recovery. Step-by-step: Turn off the phone (if it's stuck, press the power button for 10-15 seconds). + Volume up and hold for 5-7 seconds until the Mi logo appears. Release the buttons and you will be taken to the Recovery menu. Use the volume buttons for navigation and the power button to select the item. Choose Wipe Data → Wipe All Data → Confirm the action. After completion, select Reboot → Reboot to System. If the Recovery menu does not include Wipe Data, then the phone has custom Recovery installed (for example, the Recovery menu, TWRP). In this case: Choose Wipe → Advanced Wipe, check the boxes: 📁 Dalvik / ART Cache 📱 System 🗃️ Data 📄 Internal Storage (optional if you want to erase everything) Swipe your finger across the screen for confirmation (Swipe to Wipe). ⚠️ Attention: On Mi 9A with a blocked bootloader reset through TWRP This can cause a phone to crash! use only standard Recovery. Resetting method When to use Risk Execution Time Through the settings menu Phone is stable 5–10 Minutes (possible errors with memory shortage) Through Recovery Mode, the phone does not turn on or freezes 10–15 Average (brick risk in case of incorrect actions) Through Fastboot (for advanced) Complete reset with flashing 20–30 High minutes (requires PC and team knowledge) 3: Fastboot Reset (for power users) This method is suitable if the first two methods did not work or you need to completely reflash the phone. ADB/Fastboot cable USB Type-C: Download and install Google's Platform Tools. Turn off Mi 9A And press the power button. + Volume down to log into Fastboot Mode (a hare in a hat-eared hat will appear). Connect the phone to your PC and open the command prompt (cmd) in the folder with the platform-tools. Enter the command to check the connection: fastboot devices If the phone is determined (the serial number will appear), continue. Complete reset: fastboot erase userdata fastboot erase cache fastboot reboot For full flashing additional download the official firmware for Mi 9A (codename cc9) site MIUI Download and run: fastboot flash all firmware.zip What to do if Fastboot can't see the phone?1. Check if the drivers are installed (Device Manager should display "Android Bootloader Interface").2 Try another one. USB-cable (preferably original). 3. Disable the antivirus - it can block ADB. 4. Reinstall Platform Tools to another folder (no Cyrillic characters on the way). Frequent errors and their solutions Even when following the instructions, users face problems. Let’s look at common mistakes and ways to fix them: 🔄 «Failed to reset the settings" in the menu: Reason: lack of space in the section /data Solution: Try resetting via Recovery or clearing the cache manually (Settings) → Warehouse → Clear the cache). 🔒 «This device is locked" in Fastboot: Reason: blocked bootloader.Solution: Unlock it through the official Xiaomi tool (requires a Mi Account and wait) 72 hour). 📵 Phone doesn't turn on after reset: Reason: interrupted process or incompatible firmware Solution: repeat reset via Fastboot or flash the phone again. 🔑 Requires a password from an old Google account (FRP): Reason: Factory Reset Protection.Solution: see the bypass section FRP. If after the Mi reset 9A Has stopped being defined in Fastboot or has an error called “Invalid sparse file format” that is likely to have damaged eMMC memory. In this case, only the replacement of the chip in the service center will help. 💡Before resetting via Fastboot, always check the phone model with the fastboot getvar product command. 9A should be returned cc9 — This will confirm that you downloaded the correct firmware. FRP (Google Account) after reset Protection Factory Reset Protection (FRP) This is activated if you have a Google account attached to your phone and then reset, and you need to enter your login and password from that account. If you don't remember them, there are several ways to get around it: Method 1: Using Wi-Fi settings. MIUI 10-12) On the Google Password Entering Screen, click Add Wi-Fi Network. Enter any text in the network name field, highlight it and click Share. Select Gmail → Create a new account or log in to an existing one. Once you log in to Gmail, go back to setting up your phone — lock. FRP will be removed. Method 2: Through Mi Account (for the MIUI 13+) On the lock screen, click Mi Account (Xiaomi icon). Enter the data from the Xiaomi account that was tied to the phone. FRP It's going to shut down automatically. 3: Through ADB (requires a PC) Connect the phone to your computer and open the cmd in the folder with the platform-tools. Enter the commands: adb shell content insert --uri content://settings/secure --bind name:s:user_setup_complete --bind value:s:1 Restart the phone - lock down FRP will be removed. ⚠️ Attention: Bypass FRP may violate Google's terms of use. MIUI 14+ These methods may not work – you will need official proof of ownership through Google Support. FAQ: Frequent questions about resetting Xiaomi Mi 9A Can I reset my settings if I forgot my phone password? Yes, but only through Recovery Mode or Fastboot. If your phone is locked, the settings menu will not be available. Use the instructions in Method 2 or Method 3. Will you reset your Xiaomi account? No, deleting your Mi Account does not result in a phone reset. It just untie the device from your profile. To completely reset, use the methods described above: How to return data after a reset if you did not make a backup? If there is no backup, you can only restore data using specialized programs like Dr.Fone or EaseUS MobiSaver. But the odds are low, because when you reset, you overwrite the old data. For a photo, try Google Photos (if autosynchronization was enabled). Why did the phone get slower after the reset? Probable reasons: 🔋 Worn-out battery (check in AccuBattery). 🛠️ Damaged eMMC memory (diagnosis required). 🔄 Unofficial firmware installed (return to stock) MIUI). Try flashing your phone over Fastboot (see Method 3). Can you reset your settings without losing data? Partly yes. In the reset menu (Settings → Restore and Reset), you can choose Reset Network Settings or Reset App Settings without deleting personal files. However, a full reset always erases everything.