How to completely uninstall the application with Xiaomi Mi 9: from system to user

Xiaomi Mi 9 is still a popular smartphone among users who value the balance of performance and price. However, over time, every gadget is stuffed with unnecessary programs, from pre-installed MIUI services to randomly downloaded games. Unlike new models, on the Mi 9, removing applications has nuances — especially if we are talking about system utilities like Mi Browser or Mi Video.

In this article, we will discuss all the current ways to clean a smartphone, from standard menu removal to advanced ADB and Safe Mode methods. We will focus on the hidden features of MIUI that allow you to disable even those programs that are usually not uninstallable. And for those who are afraid of “breaking” the phone, we have prepared a section with answers to frequent questions and warnings about possible risks.

1. Standard removal through MIUI settings

The easiest and safest method is to use built-in MIUI tools. It is suitable for most user applications (such as games from Google Play or instant messengers), but will not work for system utilities.

To remove the program:

1. Open Settings → Applications → Application Management.
2. In the list, find the desired application and tap on it.
3. Press the "Delete" button (if it is active).
4. Confirm the action in the dialog window.

⚠️ Note: If the Remove button is inactive (grey), the application is system-based, in which case it can only be disabled (Stop or Disable button). ADB.

On the Mi 9 with MIUI 12+, the group removal function appeared:

• 📱 Go to Settings. → Annexes → Application management.
• 🔍 In the upper right corner, click on the filter icon (three dots).
• 🗑️ Select "Sort by size" or "By installation date".
• ✅ Tick unneeded programs and click "Delete".

2. Removal through Safe Mode (for "stubborn" applications)

Some programs (especially viruses or aggressive ad utilities) block their removal in normal mode, in which case the safe mode, where only system processes start, will help.

How to get into safe mode on Xiaomi Mi 9:

1. Press the power button before the off menu appears.
2. Slip and hold your finger on the "Switch off" option.
3. In the window that appears, select "Safe Mode".

After the reboot, the bottom right corner of the screen will show "Safe Mode." Now:

• 🔄 Try to remove the problem app through Settings → Annexes.
• 🛡️ If the program is removed, restart the phone to normal mode.
• ⚠️ If not, it is a system software and it will be necessary. ADB.

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In Safe Mode, all third-party services, including Google Play Services, are disabled. If some features (such as push notifications) are not working correctly after leaving it, restart your smartphone again.

3. Complete removal of system applications via ADB

For advanced users who are ready to work with the command line, ADB (Android Debug Bridge) is the most powerful tool, it allows you to remove even those programs that MIUI protects from uninstallation.

⚠️ Attention: Misuse of the right ADB can cause loss of smartphone functionality (for example, if you delete MiuiSystemUI, the phone will stop booting). → Additionally. → Backup and reset.

Step-by-step:

1. Download and install ADB Tools on PC.
2. On your smartphone, activate Developer Mode: Go to Settings → About Phone. tap on MIUI Version 7 times. Go back to Settings → Additional → Developer. Enable USB Debugging.

Mi 9

"File transfer"

cmd

ADB

adb devices

(The name of your device should appear).

adb shell pm uninstall -k --user 0 title.packet

For example, to remove the Mi Browser:

adb shell pm uninstall -k --user 0 com.android.browser

🔍 How to find out the name of the package? Install the App Inspector app from Google Play or use the command:

adb shell pm list packages | grep "keyword"

For example, to search for all apps with "miui" in the title:

adb shell pm list packages | grep "miui"

4. Disabling (freezing) applications without deletion

If you don't want to take risks, but you need to get rid of intrusive programs (like Mi Music or Mi Pay), you can turn them off. This hides the app from the menu and stops its background work, but does not delete files.

How to turn it off:

1. Go to Settings → Applications → Application Management.
2. Select the appropriate application.
3. Press "Disable" (if the button is active).
4. Confirm the action.

🔹 Advantages of the method:

• 🛡️ Safe – does not affect system files.
• 🔄 You can return the application at any time (button "Enable").
• 📱 Frees up the working memory.

🔹 Deficiencies:

• 🗑️ Application files remain on the device (do not free up space in memory).
• 🔄 Some system utilities (such as MiuiDaemon) are automatically enabled after the update. MIUI.

5. Delete through third-party file managers

Some file managers (such as Root Explorer) FX File Manager allows you to remove APK-However, this requires root rights, which are not easy to obtain on the Mi 9 due to a blocked bootloader.

If the root is already there, the instructions are:

1. Open a file manager with root support.
2. Go to /system/app/ or /system/priv-app/ (for system applications).
3. Find a folder with the name of the application being removed (for example, MiBrowser).
4. Delete the folder or rename it (add at the end of.bak).
5. Reboot your smartphone.

⚠️ Note: Removing files from /system without backup, it can cause a cyclical reboot of the phone. 9 not enabled, try resetting via Recovery Mode (press Power) + Volume Up when downloading).

6.Reset to factory settings as a last resort

If the smartphone is full of viruses or unnecessary programs so that other methods do not help, it will be a complete reset, which will delete all user data and applications, returning the phone to the state of “out of the box”.

How to reset:

1. Create a backup copy of important data (photos, contacts, chats).
2. Go to Settings → Additional → Backup and Reset → Reset settings.
3. Select "Erase all data."
4. Enter your password (if installed) and confirm.

📌 What will be removed:

⚠️ Attention: On Mi 9s MIUI 11 and below after reset, you may need to re-activate your Xiaomi account (if the security lock was enabled!

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Factory reset is the only way to guarantee that you will remove all viruses and unnecessary programs, but it erases ALL user data. Always back up before resetting!

FAQ: Answers to Frequent Questions