Update of Xiaomi components: understand the details and nuances

Have you ever noticed the mysterious “Component Update” item in your smartphone or Xiaomi TV settings and wondered what it meant? It’s not just another marketing term, it’s an important process that directly affects the performance, security, and functionality of your device. Unlike standard firmware updates that usually affect the operating system as a whole, component updates work at a deeper level.

In this article, we will go into detail about which elements of the system are updated through this mechanism, why ignoring these updates is a bad idea, and how to manage the process properly to avoid typical problems. MIUI, What Xiaomi devices support this feature, and what to do if the update is stuck or crashed. Particular attention will be paid to hidden components that the manufacturer updates in the background without notifying the user – their role is often underestimated, although they are responsible for critical functions, from graphics processing to personal data protection.

What is the “component update” in Xiaomi devices

The term “Component Updates” in the Xiaomi ecosystem refers to the process of updating individual software modules that are not part of the core firmware package. MIUI. These components are separate blocks of code that are responsible for specific functions of the device. Unlike global system updates that come out every few months, component updates can be released more often - sometimes weekly.

The key feature of this mechanism is modular architecture, so instead of reflashing the whole device, it only updates the parts that need to be changed.

• 🔄 Reduce the time of update (no need to download gigabytes of data)
• 🛡️ Faster closure of security vulnerabilities in individual modules
• 🎯 Make point improvements without risking the stability of the entire system
• 📱 Keep it up to date even for devices that no longer receive full updates MIUI

From a technical point of view, components are stored in special memory sections (/system/apex or /vendor) And they can be updated regardless of the underlying firmware, made possible by Xiaomi's move to Project Treble architecture (starting with Android). 8.0 Oreo, which separates system and vendor components.

What components are updated: a full list with explanations

Xiaomi devices update more than 20 different components, but not all of them are visible to the user, and below is a list of key modules that are most often updated through this mechanism:

Particularly noteworthy are hidden components that are not displayed in the update interface, but play a critical role:

• 🔒 Biometric modules (com.xiaomi.biometric) are responsible for fingerprint and facial recognition, and updates here close vulnerabilities that allow you to bypass the lock.
• 📡 Drivers. Wi-Fi/Bluetooth (com.xiaomi.wlan – fix network connectivity issues 5G/6G and new wireless communication standards.
• 🎮 Graphics drivers (com.qualcomm.gpu) – optimize performance in games and applications with a wide range of features 3D-graphic.

Interesting fact: some components are automatically updated in the background, without notifying the user. For example, the com.xiaomi.market module (GetApps app) can be updated daily to add new promotions. To see the complete list of installed components, you can use ADB-team:

adb shell pm list packages -f | grep xiaomi

Differences from updates MIUI: What to update first

Many users confuse component updates with updates MIUI, They think of them as interchangeable processes, and they're actually two different mechanisms with different goals and consequences:

So what's the first thing to update? There's a simple rule here:

⚠️ Note: If your device is stable but critical security patches appear in the component update list (e.g. for com.xiaomi.findevice or biometric drivers) – install them immediately. These updates often close vulnerabilities that can be used to remotely hack a device.

At the same time, updates MIUI It should be installed only if:

• 🆕 You need new features (like Android 14 support)
• 🐞 The current version contains critical bugs (e.g., fast battery discharge)
• 🔄 The device has stopped receiving updates to components due to outdated firmware

The priority of updates also depends on the device model, for example, for the flagships of the Xiaomi 13 or Redmi series. K60 It is critical to update graphics drivers (com.qualcomm.gpu) to support new games, while for low-end models like Redmi. A2 First place is the fix for the communication module (com.qualcomm.qti.telephonyservice).

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Updates to components are “updates on demand” that solve specific problems, whereas updates are “updates on demand” that solve specific problems. MIUI — This is a major overhaul of the entire system.

How to check and install component updates

The process of checking and installing component updates varies depending on the type of device (smartphone, TV, smartwatch) and version. MIUI. Let’s look at the step-by-step instructions for each case.

For smartphones and tablets Xiaomi/Redmi/POCO:

1. Open the Settings. → The phone.
2. Tap on the line Update MIUI (Update the system in new versions)
3. At the top of the screen, select the Component Update tab (if not, your device does not support this feature)
4. Click Check Updates and wait for the scan to be completed.
5. Tick the required components and click Download and install

For Xiaomi TVs (MI TV):

1. Go to Settings. → On TV. → Updating the system
2. Select Component Update (available on PatchWall models with at least 3.0 version)
3. Use the remote to navigate the list of available updates

For smart watches and bracelets (Mi Band, Watch):

• 📱 Wearable component updates are installed via the Mi Fitness or Xiaomi Wear app.
• 🔄 In the Device Profile section, a notification will appear if new components are available (e.g., heart rate sensor drivers)

Turn it off. VPN (It can block Xiaomi servers)|Connect to a stable Wi-Fi network|Battery charge > 50%|Close all active applications|Make a backup copy of important data-->

If the system does not find updates after checking, but you are sure that they should be, try the following steps:

• 🔄 Restart the device and repeat the check
• 🌐 Check your internet connection (updates are not downloaded via mobile data)
• 📅 Make sure the date and time on the device is set correctly
• 🔧 Reset network settings in Settings → SIM-maps and mobile networks → Resetting network settings

⚠️ Note: On some devices (for example, Redmi Note 10 Pro with custom firmware), updating components may cause the module to fail NFC. If you are actively using contactless payments, check other users’ reviews on forums before updating. 4PDA or XDA-Developers.

Common Problems and Their Solutions

While component upgrades are usually smooth, Xiaomi users sometimes face typical problems, and here are the most common ones and ways to fix them:

Update suspended during the "Preparation for installation" stage

• 🕒 Wait. 15-20 Sometimes the process just takes longer
• 🔄 Restart the device manually (hold the power button for 10 seconds)
• 📂 Clear the cache of the application System Update in Settings → Annexes → Application management

2. After the update, the sensors (gyroscope, compass, proximity sensor) stopped working

• 🔧 Check if the settings have been broken → Additional settings → Sensors.
• 📲 Install the Sensor Test app from Google Play for diagnostics
• 🔙 Remove the update of the com.xiaomi.sensor component via Settings → Annexes → Show all applications → Three points. → Show system-based → Find the component → Remove updates

3. some functions disappeared after the update (for example, read mode or always on display)

• 🔍 Check if the function has been moved to another menu location (the interface may have changed)
• 📝 Reset the settings of a particular component through ADB: adb shell pm clear com.xiaomi.readingmode
• 📥 Reinstall the latest version of the component manually through Xiaomi Community (Forum section) → Your device model")

4.The device started to warm or discharge quickly after the update

• 🔋 Check which component consumes the most energy in Settings → Battery → Battery utilization
• 🛠️ Turn off background activity for the problem component in Settings → Annexes → Permits → Auto-start
• 🔄 If the problem does not disappear, reset to factory settings (pre-make a backup)

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If after updating the component com.xiaomi.miui.home (launcher) missing icons of the application, try to change the theme to the standard in Settings → Registration → Topics, then return the old one.

You can use the system logs to diagnose complex problems, and you can get them:

1. Install Logcat Extreme from Google Play
2. Repeat the problem (e.g. try to update the component)
3. Save the log and look for errors with the marking E/UpdateManager or E/PackageManager

Hidden Features: How to Manually Manage Components

Advanced users can gain more control over components using Xiaomi’s hidden features, which require caution but allow for, for example, rolling back a problematic update or installing a beta version of the component.

1. rollback of the component to the factory version

If the component starts to work incorrectly after the update, it can be returned to its original state:

1. Go to Settings → Applications → Application Management
2. Slip on three dots in the upper right corner and select Show Systems
3. Find the right component (e.g. com.xiaomi.calendar)
4. Click Remove Updates (button will only appear if the component has been updated)

Installation of components through ADB

For experienced users, it is possible to install components manually through ADB Sideload:

adb install -r -d --fastdeploy component.apk

Component files (.apk or.apex) can be found on XDA-Developers forums or in telegram channels dedicated to your device model. Installing unofficial components can lead to device locking through anti-rollback (for example, on Xiaomi). 12T newer).

3. Block automatic updates

If you do not want certain components to be updated automatically:

1. Turn off the Internet for the System Update application in Settings → Annexes → Permits → Mobile data and Wi-Fi
2. Use Firewall applications (like NetGuard) to block access to api.miui.com and update.miui.com servers.

⚠️ Warning: Manual intervention in system components on locked bootloader devices (Redmi Note 11, POCO X5 It can lead to hard-brick before experimenting, unlock the bootloader via the Mi Unlock Tool.

Security: Why you can’t ignore component updates

Many users neglect to update components, considering them to be insignificant, but this error can cost the security of your data.

Vulnerabilities in biometric modules

In 2022, a critical vulnerability was discovered in the com.xiaomi.biometric component on Xiaomi Mi 10 and Redmi devices. K30 Pro, which allows you to bypass the fingerprint lock with the help of special software. The fix came out through a component update, but users who ignored it remained vulnerable for 3 months.

2. Exploits in communication modules

The com.qualcomm.qti.telephonyservice component is responsible for processing SMS In 2023, hackers used a vulnerability in this module to intercept the device. SMS The update of the component closed the gap, but only for those who installed it.

3. Data leakage through obsolete components

The com.xiaomi.miui.analytics module collects anonymous usage statistics, and older versions of this component (before 2021) have found a bug that causes some data (including some data). IMEI devices) were transmitted to Xiaomi servers without encryption.

To check which components on your device contain known vulnerabilities, use the service. MIUI Security Checker (Input device model and version) MIUI).

Particular care should be exercised by owners of devices with unlocked bootloader, POCO F3 with custom recapaveri) updating components can:

• 🔓 Reset the Magisk or Xposed settings
• 🚫 Block access to certain functions (e.g, ViPER4Android stop working)
• 🔄 Return standard apps you have removed (e.g. Mi Browser)

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Updating components is your digital immunity, and skipping them leaves your device vulnerable to attack, even if you update regularly. MIUI.

FAQ: Answers to Frequent Questions