Protecting personal correspondence in WhatsApp is an urgent task for smartphone owners Xiaomi Redmi, especially if several people use the gadget or there is a risk of losing the device. Many people mistakenly believe that it is enough to lock the phone itself, but anyone can gain access to the messenger by simply opening the application. In this article we will look at all available ways to set a password on WhatsApp for Redmi Note 10/11/12, Redmi 9/10/11 and other models based on Android, including hidden settings and workarounds for older versions of the application.

Important to understand: standard WhatsApp does not support built-in password locking at login - this feature must be configured through additional Android tools or third-party applications. We tested all methods on current firmware MIUI 14/15 and collected only working solutions that do not require root access. We will also tell you how to get around common errors (for example, when the lock is reset after an update) and what alternatives exist for maximum protection.

Why there is no standard password in WhatsApp and what to do

Unlike Telegram or Viberwhere chat blocking is built in by default, WhatsApp has not yet added this feature at the application level. Reasons:

  • 🔒 Privacy Policy: the company relies on end-to-end encryption of messages rather than blocking the interface.
  • 📱 Dependency on OS: developers shift responsibility for security to smartphone manufacturers (for example, Samsung Knox or MIUI Security).
  • 🔄 Frequent updates: in new versions WhatsApp sometimes experimental blocking functions appear, but they quickly disappear.

However, this does not mean that it is impossible to protect correspondence on Xiaomi Redmi there is at least 3 reliable ways limit access to the messenger:

  1. Blocking via MIUI Settings → Application lock (built-in functionality).
  2. Use fingerprint or facial recognition to enter the application.
  3. Installation a third-party blocker application (for example, AppLock or Norton App Lock).
📊 How do you usually protect WhatsApp on your smartphone?
No way, I don’t see the point
Password on the phone
Third-party application
Built-in MIUI lock
Other

Each method has pros and cons. For example, built-in lock MIUI can be reset after resetting the settings, and third-party applications sometimes conflict with WhatsApp during updates. Next, we will analyze each option in detail - with step-by-step guide and tips for eliminating possible ones. problems.

Method 1: Built-in application blocking in MIUI

The simplest and safest method is to use the function Application blockingthat is in the firmware MIUI starting from version 12. It does not require installation of additional software and works stably on all Redmi, including budget models like Redmi 9A or Redmi Note 8 Pro.

Instructions:

  1. Open Settings on your Redmi.
  2. Go to section Applications → Application lock (on some versions the path may differ: Settings → Password and security → Application lock).
  3. If the function is used for the first time, the system will ask you to set PIN code or pattern to unlock. Come up with a reliable code (do not use dates of birth or simple combinations like 1234).
  4. In the list of applications, find WhatsApp and activate the switch next to it.
  5. Configure additional settings:
    • 🔄 Automatic blocking: select after what time of inactivity the application will be blocked (recommended Immediately or After 1 minute).
    • 👤 Unlock method: fingerprint, face recognition or PIN code.
    • 🔔 Notifications: you can hide notification contents from WhatsApp on the lock screen.

Set a complex PIN code (at least 6 characters)|

Added a fingerprint for convenience|

Enabled automatic locking after 1 minute|

Checked the locking operation manually|

Hide WhatsApp notifications on the lock screen-->

⚠️ Attention: if you reset your phone to factory settings or delete your account Mi, application blocking will be disabled. To avoid this, link your Xiaomi account in the security settings.

Also note that in MIUI 14/15 the interface may be slightly different. If you don’t find the section Blocking applications, use the search in the settings (magnifying glass icon in the upper right). corner) and enter the request “lock”.

Method 2: Lock WhatsApp with a fingerprint

If your Redmi supports a fingerprint scanner (and this is almost all models starting from Redmi Note 5), you can set up biometric authorization for WhatsApp. This method is more convenient than entering a PIN code, but only works on devices with a sensor.

Step-by-step guide:

  1. Open WhatsApp and tap on three dots in the upper right corner → Settings.
  2. Go to Account → Privacy → Fingerprint lock.
  3. Activate the switch Unlock with fingerprint.
  4. Confirm your fingerprint (the system will ask you to touch the scanner).
  5. Configure settings:
    • 🔒 Auto-block: select Immediately or After 1 minute.
    • 👁️ Show content: Disable this option to hide messages in notifications.

Important: if you use several WhatsApp accounts (for example, through WhatsApp Business or application clones), fingerprint locking must be configured for each account separately.

⚠️ Attention: after updating WhatsApp or resetting the phone settings, the biometric lock may be disabled. Check its operation after any changes in the system.

💡

If the fingerprint scanner does not work well, clean the sensor with a dry cloth and rewrite the fingerprint in the phone's security settings (Settings → Password and security → Fingerprints).

Method 3: Third-party applications for blocking

If the built-in methods are not suitable (for example, you have an old version MIUI or you want additional features like a fake password), you can use third-party applications. The most reliable options:

Application Pros Cons Link (Play Market)
AppLock (by DoMobile Lab)
  • Support for PIN, fingerprint, face
  • Hide notifications
  • Fake password for emergencies
 Advertising in the free version available in the Play Market
Norton App Lock
  • High level of security
  • Blocking calls and SMS
 Requires registration available in Play Market
Smart AppLock
  • Minimalistic interface
  • Quick unlocking
 Limited settings available in the Play Market

Instructions for setting up an example AppLock:

  1. Download and install the application from Play Market.
  2. When you first start, install main password (a combination of letters and numbers is recommended).
  3. In the main menu, find WhatsApp and activate the lock.
  4. Configure additional parameters:
    • 🔐 Fake password: you can set a second password that will show “blank” WhatsApp (useful if someone is forcing you to unlock your phone).
    • 📸 Photo trap: the application will take a photo of the person who is trying to crack the lock.
    • ⏱️ Blocking timer: automatically enable protection via specified time.

⚠️ Attention: some antiviruses (for example, Avast or Kaspersky) may conflict with third-party blockers. If after installation AppLock WhatsApp it starts to crash, add the messenger to your antivirus exceptions.

What to do if you forgot your AppLock password?

If you forgot your password, try to recover it via email (if you linked your email during installation). If this does not help, the only way is to uninstall the application via Settings → Applications → AppLock → Delete. Please note that after this all lock settings will be reset, and access to WhatsApp will be opened.

Additional security measures for WhatsApp on Redmi

Even with a password set, vulnerabilities remain. To protect your correspondence as much as possible:

  • 🔐 Two-step verification in WhatsApp:
    1. Open Settings → Account → Two-step verification.
    2. Install PIN code of 6 digits and bind your email for recovery.

    This will protect your account from theft when changing the SIM card.

  • 📱 Encryption of backup copies:
    1. B Settings → Chat → Backup enable Backup encryption.
    2. Create a password (at least 8 characters) and save it in a safe place (for example, in Google Password Manager).
  • 🚫 Restricting access to notifications:
    1. Go to Settings → Notifications → WhatsApp.
    2. Disable the option Show the contents of notifications on the lock screen.

We also recommend:

  • 🔄 Regularly update WhatsApp and MIUI to the latest versions (they close vulnerabilities).
  • 📵 Disable auto-loading of media files in chats (Settings → Storage and data) to avoid leakage of personal photos/videos.
  • 🔍 Check permissions WhatsApp in Settings → Applications → WhatsApp → Permissions and disable unnecessary ones (for example, access to geolocation or microphone if you do not use calls).
💡

The combination of built-in MIUI lock, fingerprint in WhatsApp and two-step verification provides maximum protection even if the phone gets into trouble. other people's hands, access to chats will be blocked at three levels.

Frequent problems and their solutions

When setting up blocking WhatsApp on Redmi users encounter typical errors:

1. The lock is reset after WhatsApp update

This happens because new versions of the messenger may conflict with old settings. MIUISolution:

  • After the update, go to Settings → Application blocking and enable protection. for WhatsApp again.
  • If you are using a third-party blocker (for example, AppLock), update it to the latest version.

2. finger

Possible causes and solutions:

  • 🔄 Reboot the phone - sometimes the fingerprint sensor freezes.
  • 📱 Delete old fingerprints and add a new one to Settings → Password and security → Fingerprints.
  • 🔋 Check if the battery is low - if the battery is low, the biometric sensors may turn off.

3. WhatsApp crashes when launched with a blocker

This problem is typical for third-party applications like AppLock. Solution:

  • Add AppLock to battery optimization exceptions (Settings → Battery → Battery optimization).
  • Disable the antivirus while setting up the blocking.
  • Reinstall AppLock, having previously saved the settings (if there is an export function).

4. Forgot the PIN code for the MIUI lock

If you forgot the code for the built-in application lock:

  • Try to restore it via account Xiaomi (if it was linked).
  • Reset security settings via Settings → Password and security → Reset lock settings (confirmation via SMS or email will be required).
  • As a last resort, perform hard reset phone (but this will delete all data!).
    • 💡

    If you often forget passwords, use a password manager (for example, Google Password Manager or KeePass) to store them. Never write PIN codes in notes on your phone!

    Alternative ways to protect correspondence

    If blocking the application seems insufficient, consider additional measures:

    1. Hidden chats in WhatsApp

    Function Archive chats allows you to hide dialogues from prying eyes:

    1. Press your finger on the chat you want to hide.
    2. Tap on the box icon in the top menu (Archive).
    3. To return a chat, scroll down the list and click Archive.

    For greater privacy, archive chats and disable their display in notifications.

    2. Using Secure Folder (for Samsung) or Second Space (for Xiaomi)

    There is a function Redmi there is a function Second Space (second space) that creates an isolated environment with separate applications:

    1. Go to: Settings → Accessibility → Second Space main screen, access to Settings → Accessibility → Second Space.
    2. Create a second space and install in it WhatsApp.
    3. Set up a separate password for logging in Second Space.

    Advantage: Even if someone unlocks the main screen, access to WhatsApp in the second space will remain closed.

    3. Switch to alternative messengers

    If privacy is critical, consider messengers with built-in blocking:

    • 🔒 Telegram: yes Password protection for individual chats and secret chats with self-destructing messages.
    • 🛡️ Signal: default encryption + application lock with PIN code.
    • 🔐 Viber: built-in chat blocking and hidden dialogs.

    ⚠️ Attention: when switching to another messenger, do not forget delete old messages on WhatsApp, as they may remain in backup copies. Google Drive. To completely delete:

    1. Go to Settings → Chat → Backup.
    2. Delete all backups.
    3. Manually clean the folder WhatsApp/Databases via file manager.

    FAQ: Answers to frequently asked questions

    Is it possible to set a password on WhatsApp without third-party applications?

    Yes, on Xiaomi Redmi this is done through the built-in function Blocking applications in the settings MIUI. You can also use fingerprint locking directly in the settings WhatsApp (section Privacy).

    Will the lock work if I log out of my Xiaomi account?

    No, blocking applications in MIUI linked to the account Xiaomi. If you log out of it or reset the phone to factory settings, the protection will be disabled. To avoid this, use additional methods (for example, blocking with a fingerprint in the account itself. WhatsApp).

    Is it possible to hide notifications from WhatsApp on the lock screen?

    Yes, for this:

    1. Go to Settings → Notifications → WhatsApp.
    2. Disable the option Show notification contents.
    3. In itself WhatsApp go to Settings → Notifications and disable Show message text.

    After this, only notification icons without text will be displayed on the lock screen.

    What to do if WhatsApp blocking interferes with calls?

    If you use WhatsApp for calls, permanent blocking can be inconvenient. Solutions:

    • Set in AppLock or MIUI an exception for incoming calls (if such an option exists).
    • Use blocking only for chats, and not for the entire application (in AppLock you can choose which functions to block).
    • Disable blocking manually for the duration of the call (for example, before an important conversation).
    How to transfer WhatsApp blocking to a new phone?

    When transferring WhatsApp to a new one Redmi:

    1. First set up blocking on the new device (via MIUI or AppLock).
    2. Restore chats from backup Google Drive.
    3. If you used AppLock, export its settings on the old phone and import it on the new one (the function is available in the application menu).

    ⚠️ Do not restore backups WhatsApp from unverified sources - this may reset security settings.