How to block Xiaomi phone: 5 ways to protect against unauthorized access

Protecting your personal data on a Xiaomi smartphone starts with the right lock setting. Even if you lose your device or it falls into the wrong hands, a secure lock will prevent you from accessing photos, correspondence, and banking applications. But how do you choose the best locking method among the many options? And what if you forgot your password or your phone is locked after unsuccessful input attempts?

In this article, we will analyze all the current ways to block Xiaomi, Redmi and smartphones. POCO β€” standard PIN-We will also discuss the code before biometric data, as well as how to unlock the device in emergency situations.

Important: Locking methods may vary slightly depending on the MIUI version (12, 13, 14 or HyperOS) and the phone model.

1. Standard screen locking methods on Xiaomi

The basic security features are available in the settings menu of any Xiaomi smartphone, and they fall into two categories: digital (PIN, password, pattern lock) and biometric (fingerprint, facial recognition).

To set up a lock, go to Settings β†’ Lock screen β†’ Lock the screen. The system will tell you to choose the type of protection. Please note that if you have not previously set a password, the system may require you to create a backup. PIN-pre-activation.

  • πŸ”’ PIN-code: minimum length of 4 characters, 6 characters are recommended+ Suitable for quick unlocking, but easy to match when you watch the input.
  • πŸ”‘ Password: the most secure option. Letters, numbers and symbols are allowed. Minimum length is 4 characters, but you'd better use 8 characters.+ register-combined.
  • 🎨 pattern lock: easy to remember visually, but leaves traces on the screen. MIUI 14+ Added the option "Invisible key" for hidden input.
  • πŸ‘† Fingerprint: Works on all models with sensor (including side scanners on Redmi Note 10 Pro or Xiaomi) 12T). You can add up to 5 prints.
  • πŸ‘€ Face Unlock: Available on infrared cameras (e.g. Xiaomi 13 Pro) less reliable than a print, but convenient for quick unlocking.

⚠️ Note: If you only use biometrics (print or face) without backup PIN/If you have a password, you'll need to enter a digital code after you restart the phone, and if you don't, you'll lock the device!

Tip: MIUI has a Smart Lock feature (Settings β†’ Lock Screen β†’ Smart Lock) that allows you to turn off protection in trusted networks (such as home), but this reduces the overall level of security.

πŸ“Š What kind of locking method you use on Xiaomi?
PIN-code
Password.
pattern lock
Fingerprint.
Facial recognition
I don't use a lock.

2. How to put a password on Xiaomi: step-by-step instructions

Password setting is the most reliable way to protect your phone, especially if you store sensitive information on your phone. Let's take a look at the Xiaomi 14 with HyperOS, but the algorithm is the same for all models with MIUI 12+.

β˜‘οΈ Preparation for password setting

Done: 0 / 4

Step 1. Open Settings and go to Lock Screen β†’ Lock screen.

Step 2. Select Password (may be called Alpha Digital Password on some firmware) and the system will prompt you to enter the current unlock method (if installed) or immediately proceed to create a new password.

Step 3. Come up with a reliable combination.

  • πŸ”’ Use at least 8 characters;
  • πŸ”€ Combine capital and lowercase letters, numbers and symbols (!@#$%);
  • 🚫 Avoid obvious sequences (123456, qwerty, date of birth).

Step 4: Confirm your password and select the following options:

  • πŸ”„ Password required at startup - be sure to turn it on, otherwise after restarting the phone will unlock without entering;
  • ⏱️ Automatic locking – set a minimum time (5-15 seconds).

⚠️ Note: If you forget your password and your phone is not tied to Mi Account, it will be impossible to unlock your device without resetting your data.

Once you have set your password, it is recommended to check it: lock the screen (Power button β†’ Lock) and try to unlock the device. If there are errors, reinstall the password.

πŸ’‘

Back up your password in an encrypted manager (like Bitwarden or KeePass) and keep it separate from your phone, which will help restore access if you forget the combination.

3. Biometric lock: fingerprint and Face ID

Biometric methods are convenient for everyday use, but have limitations, such as facial recognition only works in good light (on models without an IR camera), and a fingerprint may not work in wet or dirty hands.

To add a fingerprint:

  1. Go to Settings β†’ Lock screen β†’ Fingerprint;
  2. Enter the current PIN/password to confirm it.
  3. Follow the instructions on the screen: press your finger against the scanner 6-8 times at different angles.
  4. Name the print (for example, "Indicative right") and save.

Face Unlock is similar to the algorithm, but requires a front-facing camera setup. HyperOS models (e.g. Xiaomi 14 Ultra) are available. 3D-Facial recognition that is harder to fool with a photo.

MethodUnlock speedLevel of securitySupported models
Fingerprint.⚑ Instantly.⭐⭐⭐⭐⭐All models with sensor (starting with Redmi 4X)
Facial recognition (2D)⚑ Quickly.⭐⭐All models with front camera
Facial recognition (3D/IC)⚑ Quickly.⭐⭐⭐⭐Xiaomi 13/14 Pro, Mix 4, Black Shark 5 Pro
PIN-code (6+ symbolism)⏳ 1-2 seconds⭐⭐⭐⭐All models.

Important: on devices with MIUI 14+, biometric data is stored in a secure chip (for example, Qualcomm Secure Processing Unit), which excludes their leakage even when the system is hacked.

4. Remote lock through Mi Account

If you lose your phone or it has been stolen, you can remotely block it via Find Device (formerly Mi Cloud).

  • πŸ“± You should have a Mi Account on your phone;
  • 🌐 The device must be connected to the Internet (mobile network or Wi-Fi);
  • πŸ”‹ Battery level of charge >5% (otherwise, the phone may be turned off before the command is executed).

Instructions for remote locking:

  1. Go to account.xiaomi.com and log in;
  2. Select the Find Device section (or "Find the device")
  3. The map will show the last known location of the phone.
  4. Click Lock the device and enter a new one. PIN-code (it will replace the current method of unlocking);
  5. Confirm the action via SMS or email.

⚠️ Note: After remote locking, you can unlock the phone only through entering a new one PIN-If the attacker has time to turn off the Internet or take out the SIM-map, the lock command will not work!

Additional options in Find Device:

  • πŸ“ Location – This works even if GPS Disabled (cell tower data is used);
  • πŸ”Š Turn on the sound – the phone will start to loudly signal (useful if you lost your home);
  • πŸ—‘οΈ Erase data – complete reset to factory settings (irreversible!).

What to do if your phone is off or without internet?
If the device is off or not connected to the network, the lock command will be executed on the first turn on / connection. However, an attacker can format the phone via Recovery Mode before that, in this case, it will be impossible to restore data, but blocking Mi Account (if it was activated) will not allow you to use the device after the reset without entering your data.

5. Blocking after unsuccessful entry attempts (reclamation protection)

Xiaomi has implemented a password protection mechanism: after several failed attempts to enter, the system blocks the possibility of further attempts for a certain time.

  • ❌ 5 Wrong Attempts β†’ lock-in for 30 seconds;
  • ❌ 10 attempts at trying β†’ 5-minute lockdown;
  • ❌ 15 attempts at trying β†’ 15-minute lockdown;
  • ❌ 20+ try β†’ 24-hour lock or require you to enter a Mi Account.

If you forget your password and your phone is locked, there are several ways to restore access:

  1. Mi Account data entry: if the phone is tied to the account, after several unsuccessful attempts, the system will offer to unlock it through the account. email/phone tied to your account;
  2. Recovery Reset: a radical method that erases all data, suitable if the Mi Account is not tied or you do not remember data from it;
  3. Contact the service center: official Xiaomi centers can help with unlocking if you have a check or passport.

⚠️ Attention: On models with MIUI 13+ After 30 failed attempts to enter a password, the phone may require confirmation through the SMS, sent to a number linked to the Mi Account. SIM-The card is removed or the number is changed, unlocking will be impossible without resetting!

If you often forget passwords, consider using a password manager (like Google Password Manager or 1Password) that syncs between devices and allows you to restore access.

6.How to Unblock Xiaomi After a Reset or Lockdown

If the phone is locked because of a forgotten password or after buying a used device with a Mi Account attached, there are several ways to restore access, and importantly, all methods except the official ones can lead to IMEI blocking or loss of warranty.

Official means:

  • πŸ“§ Recovery via Mi Account: If the phone is linked to your account, after reset, just enter email and password;
  • πŸ“ž Confirmation of SMS: on some firmware, the system sends the code to the tied number;
  • 🏒 Contacting the service center: you will need a passport and a check (to confirm ownership).

Informal methods (risky!):

  • πŸ”§ Fastboot firmware: requires an unlocked bootloader and PC. Suitable for models without binding to Mi Account;
  • πŸ“± Use of exploits: For older models (for example, Redmi Note 5) there are vulnerabilities that allow you to bypass the lock;
  • πŸ”„ Dumping through EDL-Mode: requires special equipment (often used in service centers).

On models with HyperOS (2026 and later), it is almost impossible to bypass the Mi Account lock without official data due to hardware encryption. When buying a used Xiaomi phone, always check if the previous account is untied!

πŸ’‘

The only reliable way to avoid locking problems is to link your phone to your Mi Account and remember the login details, and even after resetting, you can unlock the device in 1-2 minutes.

7. Additional security measures for Xiaomi

In addition to locking the screen, it is recommended to configure additional levels of protection:

  • πŸ” Encryption of the device: included in Settings β†’ The phone. β†’ Encryption. Protects data even when you extract flash memory;
  • πŸ›‘οΈ Secure folder: in MIUI There is built-in storage for confidential files (password available separately from the main lock);
  • 🚫 Prohibit installation from unknown sources: Settings β†’ Annexes β†’ Special rights β†’ Installation of unknown applications;
  • πŸ”„ Automatic backup: set up sync with Mi Cloud or Google Drive;
  • πŸ“ Device Tracking: Enable Settings β†’ Google β†’ Security β†’ Find my device.

For enterprise users or those working with sensitive data, it is worth considering using a VPN and antivirus (such as Avast or a built-in scanner in MIUI).

On models with HyperOS, the β€œPrivate Mode” function (Settings β†’ Privacy β†’ Private Mode) appeared, which allows you to hide notifications and applications from prying eyes when unlocked through biometrics.

Frequently Asked Questions (FAQ)

❓ How to Reset Your Xiaomi Password If You Forgot and Don’t Have a Mi Account?
If the phone is not tied to Mi Account, the only way is to reset via Recovery Mode: Turn off the phone; Press the Power Button + Volume up before the Mi logo appears; Select Wipe Data β†’ Wipe All Data; Confirm the reset. ⚠️ If the phone had encryption, you may need to enter the old password after reset.
❓ Why your fingerprint doesn’t work after the update?
After major updates (e.g., from MIUI 13 to HyperOS), biometric data may be reset. To recover: Remove old fingerprints to Settings β†’ Lock screen β†’ Fingerprint; Add them again following the instructions on the screen; Reboot your phone. If the problem persists, check the sensor's performance in a service test (#4636#).
❓ Can I bypass the Mi Account lock after a reset?
On devices with MIUI 12+ and HyperOS bypass the Mi Account lock officially impossible. Unofficial methods (e.g. firmware through the EDL or use exploits require: Unlocked bootloader; Special equipment (for EDL); Firmware knowledge. ⚠️ Such actions cancel the warranty and can lead to a β€œbrick” (complete inoperability) of the phone.
❓ How to block access to individual applications?
MIUI has a built-in β€œApp Lock” feature: Open Settings β†’ Apps β†’ App Lock; Set a password (if not installed); Select the apps you want to block (such as WhatsApp, Gallery); Alternatively, use Safe Folder (for files) or third-party apps like AppLock.
❓ What to do if the phone is locked after the firmware?
If the phone requires an old password or Mi Account data after firmware that you don’t know: Try entering the last password you use (sometimes it helps even if you changed it); If the phone was purchased used, contact the previous owner to unblock Mi Account; Contact the Xiaomi service center with documents confirming the purchase. ⚠️ Self-attempts to bypass can lead to blocking IMEI!