Application protection on Xiaomi Redmi: how to enable and configure the lock

Application protection on Xiaomi Redmi smartphones is a built-in shell feature MIUI, This is a feature that allows you to block access to selected programs with a password, fingerprint or pattern lock, which is especially useful if you're handing over your phone to colleagues, friends or children and want to restrict access to personal data: Messengers, banking applications, gallery or social networks.

Unlike standard screen locking, application protection works selectively – you decide which programs require additional authentication, for example, you can block WhatsApp and SberBank Online, but leave YouTube and Google Maps open. It is important to understand that the function is not available on all versions. MIUI: in old firmware (below) MIUI 10) it may not be, and in the global and Chinese versions the configuration interface is different.

In this article, we will discuss how to turn on application protection on Redmi Note. 10/11/12, Redmi 9/10/13 And other models, what authentication methods are supported, and what to do if the function doesn't work, and you'll also learn about hidden nuances, like why some applications can't be blocked, and how to get around system limitations.

What is Application Protection and Why is It Needed

Application protection function in MIUI — It's the equivalent of "private mode" for individual programs, and it creates an additional security barrier that goes off every time you run a blocked application. For example, if you handed over your phone to a child for a game, he or she won’t be able to open your Telegram correspondence or photos in the Gallery without entering a password.

The main advantages of the function:

• 🔒 Selective lock: only protect applications that contain sensitive data.
• 👆 Several ways to unlock: password, fingerprint, pattern lock or facial recognition (on supported models).
• 📱 Works in the background: even if the application is already open, you will need to re-authenticate when you return to it.
• 🔄 Compatibility with MIUI: The function is built into the shell and does not require the installation of third-party programs.

However, there are limitations: For example, application protection does not work for system utilities (such as Settings or Phone) and some pre-installed Xiaomi services, and the feature may conflict with some launchers (such as Nova Launcher) if they change the standard interface behavior.

What Redmi Models Support Application Protection

The feature is available on most Xiaomi Redmi smartphones released after 2018, but its availability depends on the version. MIUI, Not from the model. Here are the key conditions:

• 📱 Minimum version MIUI: MIUI 10 or newer. MIUI 9 and below is not available.
• 🌍 Regional firmware: in global (Global) and European (EEA) Chinese versions of the function are available, Chinese (China) - may be missing or work differently.
• 🔧 Account type: A linked Mi Account is required (but not for all authentication methods).

Below is the compatibility table for popular Redmi models (relevant for firmware 2023-2026):

If your model is not listed in the table, check the version. MIUI Settings menu → The phone, if the version is older. MIUI 10, update the firmware through Settings → Updating the system.

⚠️ Note: On smartphones with custom firmware (such as LineageOS or Pixel Experience) application protection MIUI In this case, use third-party programs, such as AppLock from Google Play.

Step-by-step: how to turn on application protection

The function can be activated through standard settings. MIUI. The instructions are suitable for most Redmi models on firmware MIUI 12-14 If you have a different version, the steps may vary slightly.

Follow the algorithm:

1. Open Settings (the gear icon on the home screen or in the application menu).
2. Go to the Application section (on some firmwares – Applications and notifications).
3. Select Application Protection (or App Lock in English).
4. Click Enable and set the unlock method: 🔢 Password (minimum 4 characters) 🔄 pattern lock (pattern pattern) 👆 Fingerprint (if the sensor is supported)

Select applications to block

Add annexes

Activate the switch.

After setting up the first time the blocked application is launched, the system will request authentication, and then a password (or fingerprint) will be required each time the program is opened.

Check the MIUI version (must be at least 10)

Update the firmware if necessary

Make sure your fingerprint is added to the system (if you plan to use it)

Remember a password or pattern lock (it is impossible to restore it without resetting the settings)-->

If the list does not contain the desired application, try the following steps:

• 🔄 Restart your phone – sometimes the list is updated after the reboot.
• 📥 Update the app through Google Play.
• 🔧 Clear the cache in Settings → Annexes → [programme] → Warehouse → Clear the cache.

Unblocking Methods: What to Choose

System system MIUI It offers several authentication methods to protect applications, each with its pros and cons:

For maximum security, we recommend combining methods, such as setting a password as the main way, and a fingerprint as an additional one, which will speed up unlocking in everyday use, but will retain protection in case the fingerprint sensor fails.

⚠️ Warning: If you forget your password or graphical key to protect your applications, you can't recover it without completely resetting your phone. MIUI It does not link this feature to your Mi Account, so keep a backup or write down your password in a secure location.

💡

If you often transfer the phone to children, turn on the Child Mode function in Settings → This will limit access to all applications except those selected, without setting up the protection for each individual.

Frequent problems and their solution

Despite the ease of customization, users of Xiaomi Redmi often face difficulties when working with application protection.

1.The function is not present in the settings

If the Application menu does not contain the Application Protection item, the reasons may be as follows:

• 📱 Outdated firmware: Update MIUI last-minute.
• 🌍 Chinese firmware: some features disabled. Install the global version using the Mi Flash Tool.
• 🔧 System applications disabled: check if Security or Miui Daemon services are removed.

2.The application is not blocked

Some programs (such as Google Play or Settings) cannot be blocked through the standard function.

• 🔒 Use a third-party AppLock (e.g., Norton App Lock).
• 📂 Move the application to the folder with a password (the function is available in the MIUI 12+).
• 🔄 Create a second user in Settings → System system → Multiple Users and Restrict Access.

3.Protection works too often

If your phone is constantly asking for a password even after unlocking, try:

• 🔄 Disable the function Locking when folding in the protection settings.
• 📱 Add the application to Battery Optimization Excludions (Settings) → Battery → Optimization).
• 🔧 Reset the protection settings (Settings) → Annexes → Application protection → Drop it).

Alternative ways to protect applications

If the standard function MIUI If you are not satisfied (for example, due to a limited list of supported applications), consider alternative methods:

Third-party blocking software

Google Play apps offer advanced features, such as:

• 🔒 AppLock (by DoMobile Lab) – lock by password, fingerprint, face + concealment.
• 📂 Norton App Lock – Antivirus integration and phishing protection.
• 🔄 Smart AppLock – Flexible settings (e.g. locking by time or location).

Disadvantages of third-party programs – they can conflict with MIUI Check reviews and ratings on Google Play before installing.

2. Hidden folders and second space

V MIUI There are built-in tools for hiding data:

• 📁 Password folder: created in Files → Personal, you can hide photos, videos and documents.
• 🔄 Second Space: Full Second Profile with Separate Applications and Data (Settings) → Special facilities → Second space).

These methods do not replace application protection, but they complement it, for example, you can block the Gallery through AppLock, and transfer sensitive photos to the folder with a password.

3. Restriction through parental control

If the goal is to restrict access for children, use Parental Controls:

1. Go to Settings. → Parental control.
2. Create a profile of your child and select restrictions.
3. Set a password to change your settings.

This method is convenient for family use, but not suitable for protection from strangers (for example, colleagues or friends).

💡

Standard application protection in MIUI — The most reliable option is built-in and independent of third-party developers, but for advanced features (such as time lock or geolocation), it is better to use specialized programs from Google Play.

Security Tips: How Not to Lose Access

Application protection is a useful feature, but it can be a problem if you forget your password or experience a system failure.

• 🔐 Use a password manager: save the access code to Google Password Manager or 1Password.
• 📱 Set up a backup unlocking method: for example, a fingerprint + password.
• 🔄 Update regularly MIUI: New versions fix security vulnerabilities.
• 📂 Backup: Use Mi Cloud or Google Drive to save important data.

If you plan to sell or transfer your phone, be sure to turn off app protection in advance:

1. Go to Settings → Applications → Application Protection.
2. Click Disable and enter the password.
3. Remove all blocked apps from the list.

⚠️ Attention: On some firmware MIUI When you reset your phone to factory settings through Recovery, the application protection may remain active, which will cause you to be unable to open previously blocked programs after the reset.

FAQ: Answers to Frequent Questions