Xiaomi Manager: Hidden Features, Settings, and Why It Can't Be Deleted

Have you ever noticed a mysterious Manager with a gear icon on your Xiaomi app list? This system component raises a lot of questions: what does it do, can it be removed, why does it consume resources in the background? In this article, we will discuss in detail what the Manager is responsible for in firmware. MIUI, How to use it to optimize your smartphone and why the manufacturer so hard to protect it from removal.

Manager is not just another bloatware (preinstalled unnecessary software), but a critical system process integrated into the kernel. MIUI. It's spreading from managing application permissions to controlling power consumption and security, and if you think turning that component off will speed up your Redmi or your Redmi. POCO, You risk the opposite effect, including the inoperability of key functions of the phone.

We have analyzed the work of the Manager on devices with MIUI 14 and MIUI 15, studied its interactions with other system services (e.g. com.miui.securitycenter) and prepared a checklist of actions for those who want to safely optimize its work, and answer the most popular question: why Manager can not be removed even with root rights?

What is a Manager in Xiaomi: a technical explanation

The Manager (full name – com.miui.securitycenter) is the central module of security and system management in the security and security of the system. MIUI, It combines the functions of an antivirus, permissions manager, performance optimizer and application activity monitor. In fact, it is analogous to Google Play Services, but with a focus on the specific needs of the Xiaomi ecosystem.

Here are the key tasks for which this component is responsible:

• 🔒 Permission control: controls the access of applications to the camera, microphone, geolocation and other sensitive data. MIUI It will not be able to block suspicious activity.
• 🔋 Battery Optimization: Analyzes application background activity and limits energy-intensive processes (e.g. Facebook auto-start or TikTok).
• 🛡️ Protection against malware: scans installed APK-files and checks them for compliance with the Xiaomi signature database.
• 📊 System monitoring: collects data on processor temperature, RAM usage and storage, generating reports for the user in the Settings section → The phone. → Status of the system.

It is important to understand that the Manager works closely with other system services:

• com.miui.analytics – collects anonymous usage statistics (you can disable in the privacy settings).
• com.miui.cleanmaster is responsible for the Cleanup function in the security menu.
• com.miui.permcenter – manages permission request dialogs (for example, when an application first requests access to contacts).

⚠️ Note: If you see com.miui.securitycenter:remote in the process list, it is not a virus, but a legitimate Manager component responsible for remote security management (for example, when searching for a device through Find Device). Its forced stop may disrupt the function "Remote lock".

How to open and use Manager in Xiaomi

Unlike many system applications, Manager does not have a separate icon on the menu. MIUI. Here are the main ways:

1. Through "Settings" → Appendices": Go to Settings → Annexes → App management, search the Manager list (or Global Firmware Security) and tap it. Here you will see the component version, memory usage, and the Stop button (but don't rush to click on it, more on that below).
2. Through Security: Open the Security app (shield icon) → Go to Permissions Management or Optimization, all of which work through Manager.
3. Using the hidden menu (for advanced): Enter the code ##4636### in the phone application, select Usage statistics and find com.miui.securitycenter - here you can see detailed statistics of its activity.

The most useful Manager features that you should use:

• 🔍 Permissions verification: C Settings → Confidentiality → Permissions management can see which apps have access to your data and revoke unnecessary rights.
• ⚡ Battery Optimization: In Settings → Battery → Battery Optimization Manager shows apps that drain the battery in the background.
• 🚫 Blocking notifications: C Settings → Notifications → Notification management can be banned from spam from specific applications.

Disable auto-start for unnecessary applications |

Check the permissions of new applications|

Cleaning the manager cache once a month|

Do not stop the process manually

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Why does the manager consume so many resources?

Many users complain that Manager takes up to 100-300 MB of RAM and periodically “wakes up” using up battery power.

If the Manager consumes too much (e.g., keeps the CPU at 20% all the time), this may indicate:

• 🐞 Failure to work MIUI — Try to clear the security app cache.
• 📱 Conflict with custom firmware - relevant for devices with unlocked bootloader.
• 🕵️ Malware masquerading as a system process (check out unusual ones in VirusTotal) APK).

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If the Manager is “hanging” and loading the system, restart the phone in Safe Mode (press the power button). → "Restart in Safe Mode. If the problem has disappeared, the third-party application is to blame.

Can I remove or disable the manager?

Removal or forced disabling of Manager will result in the inoperability of key functions MIUI, including:

• 🔐 Loss of access to permission settings (apps will be able to access your data without request).
• 🔋 Incorrect battery optimization (the phone will discharge 2-3 times faster).
• 🚨 Disabling scanning for viruses and blocking phishing in the browser.
• 📱 Impossibility of updating MIUI through OTA (The system will not be able to verify the integrity of the firmware).

However, there are safe ways to reduce its impact:

1. Disable statistics collection: Go to Settings → The phone. → All parameters. → Data collection and deactivate options Send error reports and Improve MIUI.
2. Limit background activity: C Settings → Annexes → Application management → Security select Battery → Limit background activity.
3. Remove Updates (if available): On some firmware, you can roll Manager back to the factory version by clicking "Remove Updates" in its card.

⚠️ Attention: Forums often advise disabling Manager via ADB-command: adb shell pm disable-user --user 0 com.miui.securitycenter This will lead to constant disruptions in the work MIUI, including the inability to install apps from Google Play, and you can only restore the functionality through a full reset settings.

Yeah, but I got it back.|

Yeah, and I was happy.|

No, I'm afraid of the consequences.|

I didn't know it was possible.

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Manager vs Security: What's the difference?

Many people confuse Manager (com.miui.securitycenter) and Security (com.miui.securitycenter.pro) as two components of the same ecosystem:

For example, when you open a Security app and run a virus scan, you're actually interacting with Security, but the scanning process is done by Manager. Similar to Cleanup, the interface provides Security, and garbage analysis and removal is a Manager task.

On global firmware (MIUI Global) these components are often combined under one name, Security, but in Chinese versions (MIUI China) they are separated. This is important to consider when looking for instructions online.

How Manager Interacts with Other Xiaomi System Applications

Managers are the management centers that coordinate dozens of system services, and let's look at the key connections.

• 🔄 S MIUI Optimization (com.miui.powerkeeper): Responsible for performance modes (Balance, Performance, Charge Savings). Manager transmits data about CPU load and temperature, and Optimization makes decisions about limiting clock speeds.

Interesting fact: on devices with HyperOS (new firmware from Xiaomi, which replaced the new version of the new model). MIUI In 2026, com.xiaomi.hyperos.security plays the role of Manager, but its functions remain almost identical, confirming that even with the change in firmware branding, Xiaomi does not abandon centralized security management.

If you use Xiaomi with custom firmware (like LineageOS or Pixel Experience), Manager will be missing because it is replaced by standard Android services (Android Permission Controller). MIUI, such as:

• 🔄 Deep battery optimization (in the AOSP analogueless MIUI Optimization).
• 🛡️ Protection against cloning SIM (Unique function for India and China).
• 📱 Locking the installation APK from unknown sources by default.

Manager problems: mistakes and ways to solve them

Despite the importance, the Manager sometimes works incorrectly.

If none of the methods worked, try resetting the security settings:

1. Go to Settings → System → Resetting settings.
2. Select Reset App Settings (not a full reset!).
3. Confirm the action. It will return all the permissions to the factory settings.

⚠️ Note: On some devices (such as Xiaomi 13 Pro or Redmi Note 12) after upgrading to MIUI 15 may appear com.miui.securitycenter has stopped when you try to open permission settings. This is due to a bug in the new firmware version. Solution: 1. APK Security app from version MIUI 14 (download to APKMirror). 2. Go to Settings → Annexes → Security → Three points. → Permits → Display system. 3. Enable all permissions for com.miui.securitycenter.

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After the update MIUI Manager started behaving unstable, first try clearing his cache, rather than resetting the phone to factory settings.

FAQ: Frequent questions about Xiaomi Manager