Owners of Xiaomi, Redmi and Poco smartphones often face intrusive notifications from the built-in protection system. Aggressive antivirus or strict privacy settings can block the installation of necessary applications from third-party sources or interfere with normal operation. ADB-This causes a legitimate desire to completely disable the defense mechanisms to gain full control of the device.
However, the term “safe mode” in the Android ecosystem and the MIUI shell (or HyperOS) does not have the same meaning. Users may mean by this Safe Mode, ad blocker, device protection or developer mode. In this guide, we will discuss each aspect in detail so that you can customize the system point-by-point without compromising the stability of the gadget.
Understanding the differences between system layers of protection is critical. Mishandling key components can make a smartphone vulnerable to malware or cause an unstable interface. We will look at secure methods to deactivate restrictions that do not require root rights, but still produce the desired result.
What is the term "security mode" in MIUI
Before making any changes, it is important to clearly identify which mechanism is causing concern. Xiaomi smartphones have several layers of protection that users often confuse, most often the Security app, which is the system component of the shell.
It controls permissions, scans files for viruses, and controls access to the network, sometimes called "security mode" when the phone is not installed. APK-A file from a browser or a file manager. It's not a separate mode, it's a function. MIUI Optimization and built-in scanner.
Also worth mentioning is Safe Mode, which the phone can switch to when it detects critical errors, which is a state in which only system applications work, and all installed programs are hidden, and usually exiting it is a simple reboot, but sometimes you need to intervene with settings.
⚠️ Attention: Fully disabling Xiaomi system antivirus leaves the device without real-time protection.Install apps only from trusted sources if you decide to deaktivirovat' skaner.
Disabling the built-in antivirus and threat scanner
The most common reason for using the settings is the aggressive behavior of the built-in antivirus, which can remove "cracked" versions of games or mark useful utilities as dangerous, and to mitigate its reaction, you need to go to the settings of the Security application.
First, open the Security app (green shield icon). Go to Antivirus. Click on the gear icon in the upper right corner of the screen. Here you will see the Real-Time Protection switch. Disabling it will stop the background scanning of the apps and downloads you install.
- 🛡️ Open the Security app on the home screen.
- ⚙️ Go to the antivirus settings via the "three dots" or gear menu.
- 📉 Deactivate the “Real-Time Protection” and “Cloud Verification” option".
- 🗑️ If necessary, clean the virus database to reset false positives.
You also need to check the scanning settings when you install it, and in the same menu, find the "Scan before installing" item and turn it off. APK-files without constant interruptions and warnings about potential threats.
Why does Xiaomi Antivirus delete files?
It is important to understand that even after you turn off real-time protection, periodic manual scanning can again find threats. This is normal behavior for custom Android builds. If you really need a file and you are sure of its origin, just ignore the warning or add the file to exceptions if this option is available in your version of the software.
Allows installation of applications from unknown sources
Android by default prohibits the installation of applications not from Google Play. On Xiaomi smartphones, this mechanism is reinforced by additional verification through the Mi Account account and the installation system monitor. To turn off this “mode”, you need to give a particular application (browser or file manager) the right to install.
When you try to open APK-The system will give you a warning. Click Settings in the window that appears. You will be taken to the Install Unknown Applications menu. Find the program you are downloading the file from (e.g. Chrome, Mi Browser or Explorer) and activate the switch.
Settings → Applications → Settings → Special features → Installation of unknown applicationsIt also has a high-security toggler, which sends data about the apps it installs to Google for verification, and disabling it speeds up the installation process and increases privacy because it doesn't go to third-party servers.
☑️ Checklist for installation APK
Sometimes the system requires confirmation via SMS or login to your Mi Account. This is a measure of protection against accidental malware installation. If requests appear too often, try clearing the Package Installer app data from the application management menu.
Configure the developer mode and debug over USB
For advanced users who are in the firmware or debugging business, access to hidden features is critical. Often, "security shutdown" means activating or deactivating the developer mode, and deep system settings are available in this mode.
To get into this menu, you need to quickly click 7 times on the build number in the "About Phone" section. Once you see the "You're a developer", a new item will appear in the "Additional" menu. Here is the "Debug USB" switch.
| Parameter | Function | Recommended condition |
|---|---|---|
| USB debugging | Allows the computer to control the phone | Off (if not used) |
| USB-debugging (security settings) | Allows changes to permissions through ADB | Off (for safety) |
| Factory unlocking | Allows unlocking of the loader | Off (default) |
| MIUI Optimization | System optimization (impacts rights) | On (standard) |
The same menu often includes the "Enable MIUI Optimization" switch, which turns the phone into a near-stack Android mode and removes some restrictions on app installation and ADB operation. However, this can disrupt the design theme and some system functions.
⚠️ Attention: Enabling the option"USB-Debugging (security settings)" allows applications to access data through a computer without screen validation.
If your goal is simply to remove the debugging on icon or to stop constant access requests, just turn off the main USB debugging switchboard. This will instantly close all open ports to external control.
Application Access and Privacy Management
Modern versions of MIUI and HyperOS have advanced privacy settings, which restrict applications from geolocating, microphone and camera, and sometimes users perceive persistent permission requests as “security mode” that interferes with work.
In the Privacy Protection section, you can set up behavioral patterns, like "Empty Permissions," and if an application requests access to contacts, the system will give it an empty list, which doesn't turn off the protection, but makes it invisible to the software.
- 📍 Go to Settings. → Protection of confidentiality.
- 👁️ Select "Permissions Management" for detailed control.
- 🔒 Use "Special Permits" to adjust background activity.
- 🚫 Turn off Action Monitoring if you don’t want the system to analyze your actions.
It's also worth checking "Permissions Manager," where you can prevent applications from running automatically, which is often perceived as intrusive behavior, and disabling autoruns for unnecessary programs greatly speeds up the smartphone.
💡
Use Double Space or Second Profile to run questionable applications, which isolates them from your personal data, photos and contacts, ensuring security without turning off system protections.
Don't forget the "Ad Blocker" that's built into Xiaomi's system applications. It's in the "Security" settings" →"Adblocker. its disabling may speed up some system interfaces, but will return ads to standard applications.
Exit from Safe Mode (Safe Mode)
If your phone is stuck in a mode where the screen says "Safe Mode" and you can't run the installed apps, it means that the device has booted in diagnostic mode, usually after a crash or an error when you press the buttons on it.
The easiest way to get out of this state is to do the normal reboot. Press and hold the power button, select "Reboot." Do not press any volume buttons when you turn on, as pressing the volume button often initiates a login to Safe Mode.
If a simple reboot doesn't help, check if the volume button is stuck. Mechanical keystroke can constantly signal the system to boot in safe mode. Cleaning the connector or tidy purge can solve the problem.
💡
Safe Mode is a diagnostic tool, not a setup. It doesn't turn off the menu, it only comes out by restarting the device without pressing the volume buttons.
In the rare cases where a software failure blocks an output, you may need to reset your settings to factory settings, but before doing so, you should try to remove newly installed apps that may have caused the conflict via the Recovery or ADB menu if normal uninstallation is not available.