Xiaomi’s Security App: Features, Settings, and Why It Can’t Be Deleted

On smartphones Xiaomi, Redmi and POCO The default is a system application called Security, which many users notice on the menu, but not everyone understands why it is needed and whether it can be disabled:

What is the Security app and what functions it performs;

How it protects your smartphone from viruses, scammers and unauthorized access

Why it can’t be removed and what happens if you try it.

How to properly configure “Security” for maximum protection without losing performance.

We will also answer frequent questions: why the application is constantly working in the background, how to disable intrusive notifications and what to do if it stops updating virus databases or gives out errors.

What is the security app on Xiaomi and why you need it

The Security app (com.miui.securitycenter) is a built-in antivirus and protection control center on smartphones under control. MIUI. It was developed by Xiaomi in partnership with Avast (older versions) and Tencent (new firmware) for the:

• 🛡️ Virus scanning – checking installed applications and files for malware.
• 🔒 Privacy protections – control of application access to camera, microphone, geolocation.
• 📱 System optimizations – cache cleaning, autostart management, battery saving.
• 🚨 Blocking fraudulent calls – filtering spam and phishing numbers.

Unlike third-party antivirus software (such as Kaspersky or Dr.Web), Security is deeply integrated into the software. MIUI It has access to system processes. It allows it to do so:

— Scan. APK-files before installation (unlike Google Play Protect, which checks after installation).

Block suspicious activity at the kernel level (e.g. rooting attempts or changing system files).

- Work without the Internet using local virus signature databases (updated every 1-2 weeks).

Main functions of the Security app: item analysis

The interface of the application is divided into several tabs, and let's look at each of them in detail:

The most useful features are hidden in the advanced settings:

• 🔍 System Security Check – Looking for vulnerabilities in the MIUI (For example, uninstalled components).
• 📦 Scanning archives - checks ZIP/RAR virus before unpacking.
• 🔄 Activity log – shows which apps have recently accessed sensitive data.

It's important, in the latest versions. MIUI 14/15 Part of the functions moved to Settings → Privacy, but the core of protection remained in the app “Security».

Can I remove or disable the security app on Xiaomi?

⚠️ Warning: Deleting the Security app completely will lead to unstable work MIUI — The system will give out errors when updating, and some functions (for example, installation) APK) stop working.

Technically, you can only remove it with root rights, but these are:

• 🚫 Violates the warranty (if the device is warranty-free).
• 🔓 Opens vulnerabilities – without built-in protection, the smartphone will be an easy target for viruses.
• 🔄 It will cause malfunctions – for example, system applications will stop updating.

What can be done without risk:

1. Disable automatic scanning in the antivirus settings.
2. Remove junk and optimization notifications (under Alerts).
3. Limit background activity through Settings → Annexes → Application management → Security → Battery.

If you still want to get rid of the application, consider the alternative – disabling its components through the app. ADB:

adb shell pm disable-user --user 0 com.miui.securitycenter

But remember: this will disable all security features, including blocking viruses and spam.

How to Set Up Security for Maximum Protection

To make the application work effectively, but not interfere with everyday use of the smartphone, follow these recommendations:

1. Antivirus setup

• 🔄 Enable automatic database updates (section "Antivirus" → Settings»).
• 📁 Add trusted folders to exceptions (for example, with work files).
• 🛡️ Insert the installation check APK (Protect against Trojans in third-party applications).

2. Optimization of productivity

In the Optimization section:

• 🗑️ Clean the cache manually, not on schedule (autocleaning can delete the necessary data).
• ⚡ Turn off the game acceleration if you don’t play, it consumes additional resources.
• 🔋 Enable “Charge Saving” for background applications (prolong battery life).

3. Protection of confidentiality

The “Privacy” tab allows:

• 📸 See what apps have used a camera or microphone in the past 24 hours.
• 📍 Block access to geolocation for unnecessary applications.
• 📋 View the permission log (who and when requested access to the contacts, SMS etc.).

💡

If you often install APK from unverified sources, include the option “Signature Check” in “Security” APK» — This will help you avoid fake apps (such as fake bank customers).

Frequent Security Application Problems and Solutions

Despite its usefulness, the application sometimes fails, and let’s look at the typical errors and how to fix them:

1. "Safety" constantly hangs in the background and drains the battery

The reason: Automatic scanning or optimization works too often.

Decision:

• Open the Settings. → Annexes → Application management → Security → Battery.
• Select “Limited” mode in the background.
• Turn off “Autocleaning” in the “Optimization” section.

2. Antivirus databases are not updated

Reason: No connection to Xiaomi servers or date/time settings are lost.

Decision:

1. Check your internet connection (especially if you use it) VPN).
2. Update the date and time in the smartphone settings.
3. Clear the app's cache: Settings → Annexes → Security → Warehouse → Clear the cache.

3. false antivirus positives (blocks secure files)

Reason: Outdated databases or bugs in virus signatures.

Decision:

• Add a file/folder to the exceptions (section "Antivirus" → Settings»).
• Update the app via Google Play (if available) or MIUI Updater.
• Report a false positive through “Send a report” in the antivirus settings.

Xiaomi’s “Security” Comparison with Other Antiviruses

Many users are wondering if you should install a third-party antivirus if Xiaomi already has built-in protection.

For most Xiaomi users, the built-in “Security” is enough if:

• You're not identifying suspicious APK.
• Do not use root or custom firmware.
• Update regularly MIUI.

Third-party antiviruses are only useful in two cases:

1. You often work with other people’s flash drives/files (for example, at work).
2. You need additional protection for banking (e.g. Kaspersky Safe Money).

💡

Xiaomi’s built-in “Security” is more effective than third-party antiviruses in blocking spam calls and checking APK before installation, but inferior in detecting complex Trojans (e.g. spyware).

FAQ: Answers to Frequent Questions about the Security App»