How to open the smartphone Xiaomi Mi A3: all ways to unlock

Xiaomi Mi A3 — One of the most popular smartphones of 2019 with pure Android One, but even it's not immune to unlock issues. PIN-Did the code lock the pattern lock or does the phone require a Google account after a reset?In this article, 5 proven ways to regain access to the device, including methods without losing data and using Fastboot.

Feature of the Mi A3 — There's no memory card slot and there's a custom firmware that can make it harder to unlock through standard tools like the Mi Unlock Tool. PIN round-about FRP (Factory Reset Protection through ADB. Important: Some methods require prior preparation (e.g., included) USB-debugging), so if the phone is not locked yet - set these settings in advance.

1. Unlocking through backup PIN-code or account

The easiest way is if you remember the data from the Xiaomi account or the backup PIN. On the lock screen of the Mi A3 after 5 unsuccessful attempts, the button "Forgot your password?" will appear.

• 🔑 Standby PIN-code – if you installed it when setting up the pattern lock.
• 📧 Xiaomi account – enter the username and password from the associated profile (even if the phone is on Android One, this option is saved).
• 📱 SMS or call – if the phone number is tied (does not work on all firmware).

⚠️ Warning: If you reset your phone through Recovery and it now requires a Google account, this method won't work. FRP.

If the backup PIN is not suitable, check:

• 🔄 Have you confused it with your primary password (they may be the same).
• 📱 Internet connection – without a network, authorization through an account is impossible.
• 🕒 Time limit – after several failed attempts, the system can block input for 30 minutes.

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If you forget your backup PIN, but remember your primary password, try typing it into the backup box. On some Mi A3 firmware, this works.

2. Recovery Mode reset (data loss)

If standard methods don't work, you'll have to reset hard through recovery mode, which will delete all the data, but it will return access to the phone. A3:

1. Turn off the phone (press the power + Volume increase for 10 seconds).
2. Press Power + Volume Up until the Mi logo appears.
3. In the Recovery menu, select Wipe Data → Wipe All Data (manage volume buttons, confirmation – power button).
4. After reset, reboot to the system.

⚠️ Attention: On Mi A3 Android 10+ after discharge may work FRP-lock (requires a Google account that was on your phone before the reset) If you don't remember the data, go to the section about the bypass FRP.

Turn off phone | Press Power + Volume Up | Wait for Recovery menu | Select Wipe Data-->

3. bypass FRP (Google account) on Xiaomi Mi A3

After being reset via Recovery Mi A3 You may need to enter data from your previous Google account, and if you don't remember it, you'll have to bypass Factory Reset Protection (FRP). You will need a computer with installed ADB-Drivers and Included Debugging USB (If it was activated before the lockdown).

Instructions for bypassing FRP on Android 9/10:

1. Connect your phone to your PC via USB.
2. Open the Command Prompt in the ADB folder and type: adb shell am start -n com.google.android.gsf.login/ (the full command depends on the firmware version).
3. The phone will have an account entry window – click on the text box and hold until the Google menu appears.
4. Select Keyboard Settings → Turn it on. AOSP-keyboard → Go back and enter any symbol.
5. In the menu that appears, select Help → Google Search and enter the query “Bypassing FRP Mi A3”.

⚠️ Note: New firmware (Android 11)+) This method may not work, and you'll need to run a firmware on Fastboot or call a service center.

4 Unlocking via Fastboot (for power users)

If the phone is completely locked, and USB-Debugging was enabled before that - you can try unlocking Mi A3 This method requires an unlocked bootloader that is on the Mi. A3 Android One is more difficult to do than standard MIUI.

Step-by-step:

1. Transfer the phone to Fastboot: turn it off, then press Power + Volume Down.
2. Connect to your PC and check for device detection by command: fastboot devices
3. Unlock the bootloader (if it is blocked): fastboot oem unlock Attention: this will erase all data!
4. Sweep through custom recovery (e.g. TWRP) and delete lock files through it: fastboot flash recovery twrp.img fastboot boot twrp.img

⚠️ Attention: On Mi A3 Android 10+ Unlocking the bootloader can lead to blocking IMEI Before the procedure, make sure you have a backup of the data. NV (can be done through QPST).

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5 Unlocking through Xiaomi Service Centers

If independent methods did not help - contact the official service center Xiaomi.

• 📄 Checks or warranty card (proof of possession).
• 🆔 Passport (for proof of identity).
• 📱 IMEI phone (can be found on the box or via the command *#06# on the locked screen).

The cost of unlocking in 2026:

• 💰 Reset password - from 800 to 1500 rubles.
• 💰 Bypass FRP — 1500 to 2,500 rubles.
• 💰 Flashing (if the system is damaged) - from 2000 rubles.

⚠️ Warning: Unofficial services may offer unlock cheaper, but risk losing warranty or getting a phone with a broken phone IMEI. Check the reviews before applying.

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The official service is the only legal way to unlock if you don’t remember your Google account data and can’t bypass FRP yourself.

6.Prevention: How to avoid blocking in the future

To avoid the problem again, set up the Xiaomi Mi A3 in advance:

• 🔐 Write down the backup. PIN In a secure location (for example, in a password manager).
• 📧 Link your Google and Xiaomi account to make it easier to recover.
• 🔌 Turn it on. USB-debugging (Settings) → The phone. → Version. MIUI → 7 times press → For developers → Debugging by USB).
• ☁️ Create a backup through Settings → System system → Backup.

If your phone is already unlocked, check:

• 🔄 Does Automatic Sync Work with Google (Contacts, Photos, Notes).
• 📱 Whether preserved IMEI Serial number (can be checked in Settings) → The phone. → General information).
• 🔒 Are there any unknown devices in the settings → Google → Security → Your devices.

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Take a picture of the Xiaomi Mi A3 box with an IMEI sticker, which will help restore access if your phone is stolen or you forget your account details.

FAQ: Frequent questions about unlocking Xiaomi Mi A3