Setting themes MTZ Xiaomi MIUI 13: Complete guidance with error solutions

Why topics MTZ They remain popular in 2026.

Even with the release of new versions MIUI 14 and HyperOS many Xiaomi users continue to install themes in.mtz format on their devices with the help of the new model. MIUI 13 The reason is simple: this format offers unique customization capabilities that are not available in the official theme store, from completely redesigned icons to animations and sound schemes — MTZ-Themes allow you to transform the interface beyond recognition.

However, the process of setting such topics MIUI 13 has nuances. Xiaomi's security system blocks third-party themes, and incorrect actions can cause shell malfunctions. In this article, we will discuss current ways of installing themes. MTZ-nevertheless MIUI 13 in 2026, including circumvention of restrictions, solving common errors and recommendations for choosing reliable sources of topics.

It is important to understand that installation methods differ depending on the smartphone model and regional firmware, for example, on devices for the Chinese market (China). ROM) The process may require additional steps compared to the global versions (Global) ROM). We will take these features into account in the instructions below.

What is it? MTZ-Themes and how they differ from standard

.mtz files are archives of topics for MIUI, They contain graphical interfaces, fonts, sounds, even animations, unlike those from the official store, MTZ-Themes are created by enthusiasts and designers, which allows you to:

• 🎨 Use non-standard icons and wallpaper with higher resolution than in official themes
• 🔊 Change system sounds (calls, notifications, alarm clocks) to custom
• 📱 Use unique animations of transitions between screens
• 🖌️ Configure color schemes for individual apps (such as WhatsApp or Telegram)

The main difference from standard topics — MTZ-The files are not moderated by Xiaomi, so they require manual importation, which opens up opportunities for deep customization, but also carries risks: some themes may contain errors or incorrectly display on certain devices.

Nana MIUI 13 support MTZ-It is implemented through an integrated import mechanism, but with limitations, such as themes with modified system files (framework-res.apk) We'll come back to that in the error section.

Preparation of the smartphone for installation MTZ-then

Before installing a theme, you must follow several mandatory steps, and skipping any of them can lead to errors such as “Failure to apply the theme” or “File corrupted”.

Make sure the version MIUI not less than 13.0.5

Download MTZ-file

Free up at least 500 MB of internal memory

Disable battery optimization for the Themes app

Installation from unknown sources-->

The first thing to do is to check the version. MIUI. To do this, go to the Settings. → The phone. → Version. MIUI. Installation MTZ-This is possible on versions. MIUI 13.0.5 and higher. If you have an older firmware, update the system first through Settings. → Update of the PO.

Next download. MTZ-file from a reliable source. We recommend the following sites:

• 🌐 MIUI Themes – the largest database of themes with user rating
• 📱 Telegram channel MIUI Themes – topical topics with discussions
• 🛠️ XDA Developers – Themes from Developers with Technical Support

Please note that files over 50MB may not be imported through the standard Themes app, which requires alternative methods, which we will discuss in the next section.

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Before downloading a theme, check its compatibility with your Xiaomi model. For example, theme for the Redmi Note 10 Pro may not display correctly on the device. POCO F3 because of different screen resolutions.

Methods of installation MTZ-nevertheless MIUI 13

There are three main methods of installing.mtz themes on the MIUI 13. We'll take each one of them down with step-by-step instructions and give them pros and cons.

Method 1: Standard import through the "Temes" appendix

The easiest way that works on most devices without root rights is:

1. Download. MTZ-file and move it to the Download folder or MIUI/theme.
2. Open the "Themes" app (icon with brush).
3. Go to the section "My topics" → tap the icon "+" top-right.
4. Select "Import" and specify the path to the downloaded.mtz file.
5. After importing the theme will appear in the "My topics" section - click "Apply".

This method works for 60-70% device MIUI 13, but may give an error "Failed to apply the theme" on firmware with enhanced protection (for example, China) ROM).

Method 2: Installation via ADB (for power users)

If the standard import does not work, you can use it. ADB-This method requires connecting the smartphone to a PC:

1. Install Platform Tools on your computer.
2. Enable USB Debugging in Settings → About Phone → MIUI Version (click 7 times on the line with the version, then go back to Settings → Additional → For Developers).
3. Connect your phone to your PC and execute the command: adb push /path / to / file.theme.mtz /sdcard/MIUI/theme/
4. Then apply the theme through the “Themes” app as in the first method.

The advantage of this method is to bypass the restrictions MIUI But it requires the skills to work with the files. ADB It can be risky if used incorrectly.

Method 3: Use of third-party applications (MiXplorer)

For devices where neither standard import nor ADB, You can use the file manager MiXplorer:

1. Download and install MiXplorer.
2. Move it. MTZ-file /MIUI/theme/ via MiXplorer.
3. Reset the device.
4. Open the “Themes” app and apply the theme from the “My Topics” section.

This method often helps on firmware with standard import locks, but requires a file manager with system folder permissions.

Solving Typical Errors in Installation MTZ-then

Even when installed correctly, users often encounter errors, and we've collected the most common problems and solutions.

⚠️ Warning: If after applying the theme, the smartphone began to brake or overheat, immediately return the standard theme through Settings → Topics → Some of them are standard. MTZ-Themes contain unoptimized animations that increase the load on the processor.

Mistake: "I failed to apply the topic"

This error occurs in 80% of cases and has several causes:

• 📱 The theme is incompatible with your Xiaomi model (e.g. Redmi theme). K40 not suitable POCO X3 NFC).
• 🔄 The.mtz file is corrupted or not fully downloaded.
• 🔒 MIUI blocking installation due to security policies (often in China) ROM).

Decisions:

1. Check the compatibility of the theme with your device on the site where it was downloaded.
2. Download the file and make sure that its size matches the one listed on the site.
3. Try to set the topic through ADB or MiXplorer.

Error: “Theme applies, but the elements don’t change”

If after applying the theme icons, wallpaper or fonts remained the same, the problem lies in:

• 🖼️ Incomplete support for the topic by your version MIUI 13 (some elements may not be updated).
• 🔄 Conflict with other modifications (for example, if you have previously changed system fonts through Magisk).
• 📁 Incorrect installation path (file must be in the /MIUI/theme/, not /Download).

Solution: try applying a different theme from the same source. If the problem is repeated, reset the Themes app settings via Settings. → Annexes → Application management → Topics → Warehouse → Clear the data.

Error: "Theme app flies out when imported"

This is a critical error that often occurs on firmware with modified framework-res.apk. Causes:

• 🛠️ Damage to system files MIUI.
• 🔧 Conflict with other modules (e.g. Xposed or LSPosed).
• 📱 Lack of memory in the section /data.

Decisions:

1. Restart the device in Safe Mode (hold the switch off button). → "Reboot in Safe Mode and try importing the theme again.
2. If you use Magisk, disable all modules through Magisk Manager and try again.
3. In extreme cases, reset settings through Settings. → Recovery and reset, but it will delete all data.

How to create a backup of the current theme

Before the experiments with MTZ-Themes are recommended to keep the current interface look and this will help you quickly get it back if the new theme fails.

To create a backup:

1. Open the “Themes” app and go to “My Topics”.
2. Find the current active theme (checked) and click on it.
3. In the theme menu, select Export (if you don’t have the option, use MiXplorer to copy files from the subject). /data/system/theme/).
4. Save the file to a safe place (such as a cloud or PC).

Important: the exported theme will only retain elements that have been modified by the user. Standard system icons and fonts are not included in the backup.

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Backup theme does not save desktop wallpaper and lock. You need to save them separately through Settings. → Wallpaper or screenshot.

Best sources MTZ-thematically MIUI 13 in 2026

Choosing a reliable source of topics is key to successful installation and safety, and we tested several sites and ranked them according to quality, compatibility and relevance criteria. MIUI 13.

For beginners, we recommend starting with MIUI Themes – there is a filter according to the version MIUI And the device models. Experienced users can try themes from the XDA Developers, but be prepared to manually rework some elements.

Note: Topics from the Chinese official store (zhuti.xiaomi.com) require registration with a Chinese phone number.The alternative is to use a proxy or search for the same topics on other sites.

⚠️ Attention: Avoid downloading MTZ-These files are from lesser-known sites, especially if they offer "unique" themes at a suspiciously low price, and they may contain malicious code that steals your data or displays ads on top of the interface.

FAQ: Frequent questions about installation MTZ-then