Xiaomi smartphone owners often face the need to limit the functionality of the device, which may be due to the desire to protect the gadget from children, protect corporate data or simply prevent the accidental download of malware. MIUI and the new HyperOS provide powerful tools to control what happens inside the operating system.
However, standard Android security settings are not always obvious to the average user. Often, after a device is purchased, access to install programs remains open to all profiles. This poses risks, especially if the phone is used by minors or inexperienced people in the digital world. It is important to understand that Android is open in architecture, so a comprehensive approach is required to securely lock.
In this article, we will look at all the available restrictions. We will look at the built-in parental controls, the settings of the Google Play Store, as well as the specific features of the Xiaomi shell. APK-The files were not possible without your knowledge.
Use of built-in MIUI parental controls
The first and most effective way to restrict the system is to use native features, and in Xiaomi smartphones, the Security app, which is the system component, is responsible for this, and inside it, there is a Parental Control module that allows you to manage access rights flexibly.
To activate the function, you need to run the Security app and find the appropriate partition, and the system will suggest creating a special profile for a child or a limited user, and it is important that this mode works at the system level, so you can not bypass it by simply removing shortcuts.
⚠️ Note: When setting up parental controls, be sure to set a complex pin or pattern lock that will not be known to the user of the device. Standard codes like 0000 or 1234 are easy to guess.
Once activated, you can remotely manage the list of approved applications, which allows you to block not only the installation of new programs, but also the launch of already installed ones if they are marked as undesirable, creating a strong barrier for unauthorized software.
Blocking the installation from unknown sources
The main vector of penetration of unwanted programs on Android is the installation of the APK-To prevent this, you need to change the security settings for each application that can theoretically initiate installation.
In modern versions of MIUI 14 and HyperOS, permission management has become more granular. You need to go to Settings → Security & Security → Privacy → Special Permits. This is the "Install Unknown Applications" item, which controls whether a browser or file manager can run the installer.
- 🔒 Find all browsers (Chrome, Mi Browser) and instant messengers (Telegram, WhatsApp) in the list).
- 🚫 Turn off the “Allow Application Installation” switch for each of them.
- 🛡️ Make sure that file managers are also denied this right.
After performing these actions, any attempt to download and open APK-The file will end with an error or request that cannot be verified without your intervention, and the system will claim that the installation from this source is prohibited by the security settings.
What to do if the switchboard does not turn off?
If the switch is inactive, check if the “Debugging by” mode is turned on. USB» In addition, some system applications may require the removal of updates to change rights.> Google’s official app store also has powerful filtering tools. Even if a user can open the Play Market, you can block the ability to download new programs or purchase paid content. To do this, open the Play Store app, click on the profile avatar and select Settings. → Family → Parental controls: By activating this feature, you can set an age rating. All apps that are older than your chosen age will be hidden or marked as uninstallable. You should also set up authentication for purchases. → Select the option “For all purchases». This means that even a free app will require you to enter a password from a Google account before downloading. Restriction type Where the Efficiency Parental Controls MIUI App Security High (system layer) APK Lock Settings → Privacy Medium (requires settings for each application) Google Play Settings Low (does not protect against APK) Use of guest mode and second space Xiaomi has a unique feature called "Second Space." It allows you to create a fully isolated copy of the operating system on one device. You can set up the main space as a setup from the base application, or only to leave the backup space between the base. If you hand a phone to a child in Second Space, they won't be able to physically install new apps, because that requires the administrator rights of the primary profile, and all the data in those spaces is separated. The alternative is Guest mode, which temporarily clears the device of personal data. However, it is less reliable for permanent locking, since the guest often has the right to install programs as part of his session. ⚠️ Note: When you delete the Second Space, all the data inside it will be permanently lost. Do not use this method to store important documents or photos. Third-party blocking solutions (AppLock) If built-in tools are not enough, specialized locker applications come to the rescue. Software like AppLock or Norton App Lock allows you to password specific applications, including phone settings and app stores. The idea is simple: you set a password to your Settings and Play Store icon. Now, to install something new, you first need to unlock access to the store, and then to set up settings to allow installation. This creates a double barrier. Some advanced lockers can hide their icons or work in kiosk mode, where only one app you choose is available on the screen. This is the ideal option for turning a smartphone into a terminal for one task. The Mosk mode for business, or students (Kiosk mode) is available for the same Mode app. It is often available through special corporate profiles or MDM-Mobile Device Management: In this mode, the device is locked on one or more authorized applications, the user does not have access to the desktop, settings or browser, exit mode is possible only with the master password of the administrator, this is the most severe lock option. Activation of such functions on consumer versions MIUI may require the use of ADB-Xiaomi's commands or special utilities, but for ordinary users, the Parental Control bundle is enough. + Blocking Unknown Sources: Frequently Asked Questions (FAQ) Can you bypass the application installation lock by restarting? No, the standard reboot doesn't reset permissions and parental controls. These settings are stored in the system partition and stored after the power is turned off. You can only reset them completely to the factory settings (Hard Reset), which will delete all the data. Why is the button "Install unknown applications" gray and does not press? This can happen if the device activates a corporate profile or some debugging modes are enabled. Also in new versions of Android, some system applications can block the change of this parameter by other applications for security purposes. Will this update system applications? Block the installation from unknown sources does not affect the automatic update of system components through the Mi GetApps or Play Store, unless they have separate restrictions on the installation of the new game, Rodger can also be blocked from installing the new one. You can choose an age rating that hides games above a certain category. Or use third-party launchers that simply don't show desktop game icons, although they will formally remain in the system. What if a child knows the Wi-Fi password and can download an APK? Knowledge of the Wi-Fi password gives access to the Internet, but not the right to install. If you correctly disallow installation from unknown sources (the Privacy section), even the downloaded file will not install without your confirmation and input of the device administrator password.