Xiaomi’s current MIUI and HyperOS smartphones are known for aggressive memory optimization. However, even powerful processors sometimes fail to handle dozens of hidden processes that continue to consume resources until you use the device directly, often resulting in the battery draining faster and the device itself starting to heat up for no apparent reason, even if the screen is turned off.
Understanding what programs are behind the front is the first step to extending the autonomy of the gadget. Unlike standard desktop operating systems, mobile platforms allow applications to perform many tasks in parallel, from synchronizing mail to tracking geolocation. Background activity can be both useful and harmful, so control over it is necessary for each owner.
In this article, we will take a closer look at the built-in diagnostic tools and advanced methods of analysis through USB debugging. You will learn to distinguish system processes from user processes and understand when intervention is really necessary.
Why apps continue to work after closing
Many users mistakenly believe that swiping on a card in the menu of recent apps completely stops the program. In fact, the Android operating system is designed to allow for instantaneous launch of frequently used services, to do this, part of the code remains in RAM, waiting for a trigger to activate.
There are also legitimate reasons for the background work: Messengers must receive notifications of new messages, navigators must track the route, and music players must play tracks, and problems begin when background processes are not optimized by developers or contain errors that cause memory leaks.
⚠️ Warning: Complete shutdown of Google system services or components MIUI It can lead to incorrect notifications and failures in data synchronization.
Xiaomi’s aggressive energy-saving algorithms often try to kill such processes on their own, but sometimes it causes a cyclical restart of the service, which consumes even more power. Understanding the nature of running tasks helps customize exceptions and allow only really important applications to work.
Use of the built-in “Statistics” menu in the settings
The easiest and safest way to get the primary information about energy consumers is through the standard statistics menu, which is available on any Xiaomi device without having to get root permissions or connect to a computer, and it displays an application rating sorted by energy used.
To access this data, you need to go to Settings → Battery → Flow Statistics. In the list that opens, you will see which programs have had the most impact on charge over the past day or week. By clicking on a particular application, you can see the details of how long it has been active and how long it has been in the background.
- 📱 Screen: Shows the time when the app was open and actively used by you.
- 🔋 Background mode: Displays the time when the application interface was hidden, but processes were executed.
- 🔒 Limitations: allows you to quickly switch to energy saving settings for the selected service.
If you notice that a rarely used game or utility has a high percentage of background consumption, this is a signal to check its settings. Often, you just need to change the autoplay settings or limit background activity to significantly reduce charge consumption.
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Pay attention to high-background apps that you’ve barely used – these are the top candidates for optimization or removal.
Analysis of running processes through the developer menu
To get deeper into the system, you need to activate the hidden developer menu, a standard tool in Android that provides access to technical information about the state of RAM and running services. On Xiaomi devices, this feature also helps diagnose freezes.
To activate the mode, go to Settings → About the phone and press 7 times in a row on the item "Version" MIUI» or "Version" OS». After the message “You became a developer” appears in the main settings menu, a new section “Advanced settings” or “Additional” will appear, where you need to select “For developers».
We're interested in "process statistics" or "Running Services," which shows a list of all currently active processes, indicating the RAM they occupy, and unlike conventional battery statistics, you can see system services and hidden components that are not displayed in the installed application list.
| Parameter | Description | Impact on the system |
|---|---|---|
| Cached processes | Applications in memory cache | Minimum speeds up re-start |
| Running services | Active services | Medium or high, consumes CPU |
| System services | Systemic processes | Critical, it is not recommended to touch |
You can force a process to stop in this menu by clicking on it, but remember that the system can immediately restart important services. Use this feature for testing: if the phone stops warming after a process stops, then the cause is found.
☑️ Checking the Developer Menu
Professional Diagnostics through ADB and Computer
The most accurate information about what is happening under the hood of your Xiaomi can only be obtained through debugging over USB using the ADB (Android Debug Bridge) toolkit, which allows you to see absolutely all the processes, including those that are hidden from the user by the shell interface.
To get started, you need to include USB Debugging in the developer menu and connect the smartphone to the computer. The PC needs Google drivers and platform tools installed. After you connect, you enter a command in the command line to output a list of processes.
adb shell ps -A | grep -E "u0_a"This command will filter system processes and show only custom applications (they usually have a prefix). u0_a). You'll see. PID (Process ID) and packet name: Knowing the name of the packet, it is easy to determine which program is loading the processor.
⚠️ Note: Compulsory completion of system processes through ADB (Kill commands can result in a device restart or loss of unsaved data.
You can also use the dumpsys command to get detailed information about battery status and wakelocks.Wakelocks analysis is especially useful if the phone is running low in your pocket when the screen is off.
What's Wakelock?
Managing Auto Start and Limitations of MIUI
The MIUI shell and the new HyperOS have powerful built-in tools to control background activity. Unlike pure Android, there is a separate controller that manages application rights to run along with the system.
You can find these settings through the Security app (green icon with a shield) or in the Settings menu → Apps → Auto Run. Here is a list of all programs that have permission to run automatically when you turn on your phone. Disabling unnecessary positions is the first step to clearing the memory.
- 🚀 AutoRun: Allows the application to start immediately after booting the OS.
- 🔗 Related Launches: Allows one application to run another (often used by the ecosystem).
- 🔋 Battery savings: Set limits on background activities (No restrictions, Smart restrictions, Strict restrictions).
For instant messengers and smart homes, it is recommended to leave “No Limits” to keep messages from disappearing. For games, stores and news feeds, it is better to set “Strict Limits” or completely prohibit auto-run, this will prevent them from working hidden in the background.
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Competent setting of auto-start and battery limitations in MIUI more effectively than closing tabs manually saves the charge of the device.