Install applications from unknown sources on Xiaomi smartphones (including Redmi and other devices) POCO) — necessary function for users who want to install APK-files outside of Google Play. MIUI This article will show you how to properly unlock the installation, what risks it carries, and how to avoid typical errors.
It's important to understand that permission to install from unknown sources is not a global setup, but a customized resolution for each browser or file manager. For example, if you downloaded an APK through Chrome, you need to give permission to it, not the system as a whole. We will analyze all the nuances for different versions of MIUI (12 to 14) and smartphone models.
Also in the article you will find answers to the questions: why Xiaomi blocks installations such as security checks APK before installation and what to do if the system still does not allow you to install the application. POCO Launcher or custom firmware - for you, too, there are separate recommendations.
Why is Xiaomi blocking the installation from unknown sources?
The main reason for blocking is protection against malware. According to Kaspersky, more than 30% APK-files distributed outside official stores contain potentially dangerous code. Xiaomi follows Google's policy, which requires manufacturers to limit installation from unverified sources by default.
Here are the key risks the system is trying to prevent:
- 🦠 Viruses and Trojans: Malware can steal data, display ads, or spy on users.
- 📱 Incompatible Software: Applications that are not optimized for MIUI, Can cause malfunctions or overheating of the device.
- 🔓 Phishing attacks: Fake ones APK (For example, “hacked” versions of popular games often contain keyloggers.
- 📉 System malfunction: Some applications may conflict with Xiaomi’s branded services (e.g., com.miui.securitycenter).
However, the lock creates inconveniences for experienced users who want to:
- 🔧 Install beta versions of apps (such as Telegram X or WhatsApp Business).
- 🎮 Use modified games (e.g. with Google Play Modded).
- 🛠️ Test custom firmware or cores (e.g. Pixel Experience for Redmi Note 10).
⚠️ Note: If you allow installation from unknown sources for a file manager (e.g., Mi File Explorer), any application downloaded through it can be installed without additional confirmation.
Preparation: What to do before unlocking
Before you turn on the installation from unknown sources, follow a few mandatory steps:
- Check the source. APK. Download files only from verified sites: 🔗 APKMirror (Moderation of all downloads). 🔗 APKPure (official) APK modificationless). 🔗 Official Developer Sites (for example, VK Or Yandex for its beta versions).
Update MIUI
MIUI 11
Settings → About the phone → System update
Install the antivirus
Malwarebytes
Security MIUI
Settings → Security
Make a backup copy.
Settings → Additional → Backup and Reset
Mi Cloud
☑️ Preparation for installation APK
If you download an APK to your computer and then transfer it to your smartphone, use the original Xiaomi cable (or a certified USB Type-C). Cheap cables can interrupt data transfer, which leads to file corruption.
Step-by-step: how to allow installation on MIUI 12, 13 and 14
The process is slightly different depending on the version of the shell, and below is a universal instruction that is suitable for most models (Redmi Note 11, POCO X4 Pro, Xiaomi 12T, etc.).
Method 1: Through security settings (main method)
- Open Settings (the gear icon on the main screen).
- Go to the Appendix section → Application management.
- In the upper right corner, press three dots (⋮) and select Special Access.
- Slip on the item Installation from unknown sources.
- Select the application you will install APKs through (such as Chrome, Files, or Mi File Explorer).
- Activate the switch Allow installation from this source.
Method 2: File Manager (for MIUI 14)
In the latest versions of MIUI 14, the path is simplified:
- Open the file (Mi File Explorer)
- Find the downloaded APK and tap it.
- In the window that appears, click Settings (or More → Settings).
- Activate permission for Files.
- Go back to the file and click Install.
⚠️ Note: Some banking applications (e.g. SberBank Online or Tinkoff) block devices with unlocked installation from unknown sources. If you use mobile banking, disable the permission after installing the desired one. APK.
Features for different Xiaomi models
Some models have unique nuances when unlocking an APK installation.
| Model | Feature | Decision |
|---|---|---|
| Redmi Note 10/11 | Locking the installation SD-map. | Transfer the APK to your internal memory. |
| POCO F3/F4 | Additional permission is required in Settings → Applications → Application Management → POCO Launcher. | Give permission to install the POCO Launcher. |
| Xiaomi Mi 11 Ultra | The error is "Unknown error -505" during installation. | Remove the previous version of the app or use ADB. |
| Redmi 9/9A | There is no “Installation from unknown sources” in the settings. | Upgrade MIUI to version 12.5 or higher. |
For devices with HyperOS (a new firmware from Xiaomi that replaced MIUI on some models), the process is similar, but the path to settings can be called Settings → Privacy → Special permissions.
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On NFS models (such as Redmi K50 Gaming), you may need to disable Game Turbo in settings, as it blocks the installation of third-party APKs during game mode.