How to completely remove the theme on Xiaomi Redmi 9T: from standard methods to deep cleaning

Xiaomi Redmi 9T with MIUI shell offers users a wide range of customization options, including installing third-party themes from the Themes store. However, not all the changes are liked by owners: some themes look aggressive, slow down the system or conflict with applications. Unlike flagship models, the budget Redmi 9T has limited resources, so an improperly installed theme can significantly reduce performance.

In this article, we will discuss all the working methods for removing themes on Redmi 9T – from basic methods through the settings menu to manually deleting themes files through File Manager and even completely resetting the system, pay special attention to the nuances associated with MIUI versions 12-14, and also explain how to avoid typical errors, for example, when the the theme remains active after allegedly successful removal.

Why is the topic not removed in the standard way?

Redmi 9T users often find themselves in a situation where, after clicking the "Delete" button, nothing happens in the themes menu.

• 🔄 Cash theme is not automatically cleaned — MIUI saves temporary files to speed up loading.
• 📁 Theme files remain in system folders even if the theme itself is deactivated.
• 🔒 Limitations MIUI: Some topics (especially preset) cannot be removed without superuser rights.
• 🐞 Firmware bugs: in versions MIUI 12.5-13.0 for Redmi 9T There were errors in the management of theme.

If you’ve tried to remove a theme through Settings → Themes but the changes haven’t taken effect, chances are the problem lies in one of the items listed below.

Method 1: Remove theme through the “Themes” menu (basic method)

The easiest way to get back to standard is to deactivate the theme in the settings, which works for most custom themes, but won’t help if:

• 🚫 Theme preset by the manufacturer (e.g. Dark Mode or Mi Fan Festival).
• 🔄 After removal, no changes apply (reboot or cache cleaning is required).

Instructions:

1. Open the Themes app (the icon with a brush on your desktop).
2. Go to the tab My topics.
3. Find an active topic and click on it.
4. At the bottom of the screen, select Remove (if the button is inactive – the theme is system).
5. Confirm the action and wait for the message of success.

If the theme has been removed but visual changes remain (such as icons or fonts), follow these steps:

Clear the cache of the "Themes" application in the settings

Reboot the phone

Check for MIUI updates

Set the standard theme manually (select "Default")-->

Important: Redmi 9T with MIUI 14 can take up to 5 minutes to apply the changes after removing the theme. If the design is not back to standard after 10 minutes, move on to the next method.

Method 2: Reset themes via MIUI settings (without data loss)

If the basic method didn’t work, try resetting the themes to factory settings, which doesn’t affect user data (photos, contacts, messages), but will bring all visual parameters back to standard.

Step-by-step:

1. Open the Settings. → The phone.
2. Find All options (or additionally in older versions of MIUI).
3. Select Settings Reset.
4. Slip on Reset theme settings (in some firmware, this item is called Restore themes by default).
5. Confirm the action with a password or fingerprint.

Once reset, the phone will automatically restart, which is effective 80 percent of the time, but if the theme was installed through a.mtz file, its files can stay on the system.

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Before resetting themes, take a screenshot of the current design (such as desktop and notification panel) to help quickly restore your favorite widgets and shortcuts after returning to the standard theme.

Method 3: Manually delete theme files via File Manager

For experienced users who are ready to work with system folders, there is a radical method - deleting files by manual themes, which will help if:

• 📂 The theme is installed via.mtz file and does not appear in the Topics menu».
• 🔧 Previous methods did not work due to bugs MIUI.
• 🛠️ You need to free up space in memory (theme files can weigh up to 50 MB each).

Note: Incorrect deletion of system files may cause MIUI to malfunction. Follow the instructions accurately and do not delete folders not listed below.

Instructions:

1. Open File Manager (Xiaomi conductor).
2. Go to the Device section (not the Device section) SD-map!).
3. Open the MIUI folder → theme.
4. Find a folder with the title of the theme you are removing (e.g. com.example.theme).
5. Delete the entire folder or only files with the.mtz extension.
6. Clear the cache in Settings → Applications → Themes → Storage → Clear the cache.
7. Reboot the phone.

If the theme folder is missing, check the alternative paths:

Warning: Deleting files from /data/user/0/ without root can cause system errors. If you are unsure of your actions, skip this step.

Method 4: Completely reset your phone (last resort)

If all previous methods failed, the last option is to reset the Redmi 9T to factory settings, which will delete all data from the device, including:

• 📱 Installed applications and their data.
• 📸 Photos, videos and music (if not saved) SD-map).
• 📋 Contacts, SMS Call logs (if not synchronized with Mi Account).
• 🎨 All themes, wallpaper and design settings.

Resetting instructions:

1. Back up important data through Settings → Additional → Backup and Reset.
2. Open Settings → About the phone → Reset settings.
3. Select to erase all data (reset to factory).
4. Enter the password from your Mi Account if it is tied.
5. Confirm the action and wait for the reboot (it will take 5-10 minutes).

⚠️ Attention: On Redmi 9T s MIUI 13+ After reset, you may need to re-activate the device via Mi Account. Make sure you remember the username and password, otherwise the phone will become a brick»!

Once reset, the theme is guaranteed to be removed, but you have to reconfigure the phone, a method that is recommended only in extreme cases when other methods have failed.

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Before reset, check if your Mi Account is linked to your phone. If you forget your password, restore it in advance at account.xiaomi.com

How to avoid problems with topics in the future?

To avoid having to remove themes on Redmi 9T, follow these tips:

• 🔍 Check reviews before installing themes from the store. avoid those with low ratings or bug complaints.
• 📥 Do not install themes from unverified sources (outside the official Theme Store)..mtz files may contain malicious code.
• 🔄 Clean the Topic app cache regularly (once a month).
• 📦 Don’t accumulate dozens of topics – each takes up a place in memory and may conflict with others.
• 🔒 Create backup copies of your favorite design through Settings → Topics → Export of topics.

If you like to experiment with design, consider alternative ways of customization:

• 🎨 Iconpacs through launchers (Nova Launcher, Hyperion).
• 🖼️ Wallpapers and widgets from Google Play (for example, KWGT).
• 🔧 ADB-teams to change system fonts and animations (requires skills).

These methods are less risky than installing third-party themes and do not require deep changes to the system.

Frequent mistakes and their solutions

When working with themes on Redmi 9T users often face typical problems, and consider the most common and ways to solve them:

If none of these methods worked, the problem could be that you could damage your system files, and that would only help if you flashed your phone over Fastboot or Recovery. But that's a topic for a separate article -- if you need instructions on how to run Redmi 9T, write in the comments.

FAQ: Answers to popular questions