Installation MTZ-Topics on Xiaomi: 3 working methods + mistake-making

Installing custom themes in.mtz format is one of the most popular ways to personalize Xiaomi, Redmi and smartphones. POCO. These files allow you to change not only wallpaper and icons, but also system fonts, animations, notification style and even sound effects. However, standard Themes from Xiaomi often restrict users: many of them are not the only ones that can be used. MTZ-Themes do not undergo moderation in the official store, and some require manual installation through recovery or ADB.

In this guide, we will discuss three proven installation methods (including bypassing locks on newer versions). MIUI), We will tell you how to avoid errors like Parse error or Theme corrupted, and give you recommendations on how to choose compatible themes for your model. Special attention will be paid to security – improper installation can lead to data loss or soft-brick (cyclical reboot) if the theme conflicts with system files.

What is it? MTZ-Themes and Why You Can't Find Them in the Store

.mtz files are archives of themes created by users or designers for the purpose of MIUI. They contain:

  • 🎨 Graphic elements: icons, wallpaper, statusbar styles;
  • πŸ”€ Fonts and text styles (including system dialogues);
  • πŸ”” Sound circuits: notification melodies, alarm clocks, keyboards;
  • βš™οΈ System modifications: transition animations, style of drop-down menus.

The main reason why many people MTZ-Topics are not available in the official store Themes - hard moderation Xiaomi:

  • 🚫 Topics with pirated content (brand logos, copyright materials);
  • 🚫 Modifications that change system files (risk of unstable operation);
  • 🚫 Themes for outdated versions MIUI (below 12.5);
  • 🚫 Content since 18+ materials or provocative images.

In addition, Xiaomi restricts the downloading of themes from third-party sources on new devices (for example, Xiaomi). 13/14 or Redmi Note 12), You can get around this by manually installing or patching system files, and we'll talk about that later.

πŸ“Š What method of setting themes you have tried?
Through the standard Themes app
Through TWRP/Magisk
Through ADB
Never set it up.

Method 1: Installation MTZ through the standard "Themes" application (without root)

This is the easiest method, but it doesn't work on all devices. Xiaomi blocks the download of unsigned themes on new models (e.g. Xiaomi 13 Pro or Xiaomi 13 Pro). POCO F5), But on older smartphones (up to) MIUI 12) or after the firmware rollback, this method may work.

Step-by-step:

  1. Download the.mtz theme file from a trusted source (e.g. miui-themes.com or ZThemes).
  2. Move the file to the MIUI/theme folder on the internal drive (create it if it is not available).
  3. Open the Topics β†’ My Themes β†’ Import.
  4. Select the downloaded.mtz file and confirm the installation.

If you have a Parse error or Theme corrupted error after import, try:

  • πŸ”„ Rename the file (remove the Cyrillic alphabet and spaces);
  • πŸ“₯ Download the theme again (maybe the file is corrupted);
  • πŸ“± Reboot your smartphone and try again.

β˜‘οΈ Preparation for installation MTZ via the Topics app

Done: 0 / 4

⚠️ Attention: On devices with MIUI 13+ HyperOS and this method often fails due to blocking unsigned themes. In this case, go to Method 2 (via the "Systems") TWRP).

Method 2: Installation through TWRP (wire-stitch)

If your smartphone has an unlocked bootloader and installed custom recovery (TWRP), You can post a topic like ZIP-This method is suitable for all versions. MIUI, including MIUI 14 and HyperOS, but requires caution – incorrect firmware can lead to data loss or soft-brick.

What you need:

  • πŸ“± Smartphone with unlocked loader and TWRP;
  • πŸ”§ Theme file in.mtz format (you need to convert to.zip);
  • πŸ’Ύ Backup of data (in case of failure).

Instructions:

  1. Rename the theme file from.mtz to.zip (e.g. theme.mtz) β†’ theme.zip).
  2. Copy the file to internal memory or SD-map.
  3. Boot in. TWRP (turn off the smartphone β†’ clamp down on power. + Loudness up).
  4. V TWRP Choose Install β†’ Find the.zip file. β†’ run through.
  5. After the firmware, run the Wipe Dalvik/Cache and reboot.
Xiaomi modelCompatibility with TWRPRisks.
Redmi Note 10/11βœ… Complete.Low (with proper firmware)
Xiaomi 12/13⚠️ Partial (you need to look for relevant) TWRP)Medium (soft-brick risk)
POCO F4/F5βœ… Complete.Low.
Xiaomi 14❌ Limited (new type of section)High (possible loss of data)

⚠️ Note: Firmware through those TWRP On HyperOS devices (e.g. Xiaomi 14) it can cause system failure. Before installing, check the theme compatibility with your version of firmware on forums 4PDA or Xiaomi.eu.

πŸ’‘

If after firmware theme smartphone loads into infinite animation, download in the TWRP and delete the theme file from the folder /data/system/theme/.

Method 3: Installation via Mi Theme Editor (for advanced users)

Mi Theme Editor allows you to edit and install.mtz themes without any need for a TWRP, but requires root rights or ADB-This method is suitable for devices where the installation is blocked through the standard application Topics.

How to determine:

  1. Download Mi Theme Editor (available on GitHub).
  2. Connect your smartphone to your PC and enable debugging USB (Settings β†’ The phone. β†’ Version. MIUI β†’ 7 times press β†’ Additionally. β†’ For developers).
  3. Run Mi Theme Editor on PC and select the.mtz file.
  4. Click Install Theme and follow the instructions (confirmation on your smartphone is required).

If you have a Failed to copy file error, do:

adb shell


su




mount -o rw,remount /system




cp /sdcard/theme.mtz /data/system/theme/imported/




chmod 644 /data/system/theme/imported/theme.mtz




reboot

This method works on 90% of Xiaomi devices, but requires knowledge of the teams. ADB. To simplify the process, you can use scripts from the MIUI-Theme-Installer repository.

What if Mi Theme Editor can’t see the device?
1. Check if debugging is included on USB In the developer settings. 2. Install the drivers ADB (For example, through Android Studio. 3. Try another one. USB-cable (some cables do not support data transfer). 4. Restart your PC and smartphone.

Solving common errors when installing MTZ-themes

Even when installed correctly, users are faced with errors, and let's look at the most common ones and how to fix them:

Mistake.Reason.Decision
Parse errorA damaged file or incompatibility with a version MIUIDownload the topic again or check the version MIUI
Theme corruptedFile modified or incompleteCheck the hash amount of the file (MD5)
Installation failed (in TWRP)Wrong format ZIP or missing folder /themeReconvert. MTZ into ZIP And check the structure of the archive.
The theme does not apply after rebootingConflict with other modifications (Magisk, Xposed)Disable Magisk modules and re-install

If the theme is installed after the smartphone starts to brake or overheat, most likely, the theme conflicts with the system animations.

  1. Remove the theme through Settings β†’ Topics β†’ My subjects.
  2. Clear the theme app cache (Settings β†’ Apps β†’ Application Management β†’ Themes β†’ Clear the cache).
  3. If the problem persists, reset settings through Settings. β†’ Additionally. β†’ Resetting settings (without deleting data).

πŸ’‘

Before installation, any MTZ-Check its compatibility with your version. MIUI. Topics for MIUI 12 may not work on the MIUI 14 due to changes in system file structure.

Where to download safe MTZ-themes

Xiaomi’s official Themes store contains a limited set of themes, so users are looking for alternative sources. However, many sites distribute malicious files or themes with advertising modules.

  • 🌐 miui-themes.ru - Russian catalog with moderation;
  • 🌐 ZThemes – an international database with ratings;
  • 🌐 Xiaomi.eu Forum – Community Topics;
  • πŸ“¦ Telegram channels (e.g, @miuithemes).

Signs of an unsafe topic:

  • 🚨 The file weighs less than 1MB (maybe it contains only ads);
  • 🚨 Require root rights for installation;
  • 🚨 The name contains words like Premium, VIP or;
  • 🚨 The file is decompressed into folders with executable scripts (.sh,.bat).

Before downloading, check the reviews on the topic in the forums and use an antivirus (such as VirusTotal) to scan the file.

Compatibility MTZ-themes MIUI hyperos

With the exit. MIUI 13 and Xiaomi's HyperOS changed the structure of system files, causing many older themes to stop working:

MIUI/HyperOS versionSupport MTZ-thenLimitations
MIUI 11 and belowβœ… Complete.No restrictions.
MIUI 12 β€” 12.5βœ… Full (signed)Blocking unsigned themes
MIUI 13 β€” 14⚠️ PartialManual installation or patch required
HyperOS (2026)❌ Limited.Only official topics are working.

There is no stable method for installing.mtz theme for HyperOS yet, but developers are working on workarounds.

If you’re using HyperOS and want to personalize the interface, consider alternatives:

  • 🎨 Iconpaca via Nova Launcher;
  • 🎨 KWGT-screen-widget;
  • 🎨 Substratum/Andromeda (root).

FAQ: Frequent questions about installation MTZ-themes

Can we determine MTZ-rootless TWRP?
Yes, but only on devices with MIUI 12 and below. On the new versions (MIUI 13+ and HyperOS) require either manual firmware through TWRP, or use of Mi Theme Editor with ADB. The alternative is to search for themes in the official Themes store, but their choice is limited.
Why did some icons not change after the theme was installed?
This is due to: Incomplete subject matter - some MTZ-files contain only wallpaper and fonts, not icons; Conflict with launcher – if you use Nova Launcher or POCO Launcher, icons may not change; Restrictions MIUI β€” In newer versions, some system icons are blocked. Solution: check the theme description before installing or use a separate icon pack.
How to remove the installed MTZ-Theme if the smartphone slows down?
If the theme caused lags, follow: Go to Settings β†’ Topics β†’ My themes; Select a standard theme (Default or Basic); Clear the theme app cache; If the problem persists, delete the theme file through the explorer (folder) /MIUI/theme/ or /data/system/theme/). In extreme cases, reset the settings through Settings. β†’ Additionally. β†’ Resetting settings (app data will be retained).
Can I convert? MTZ-topic APK install as an application?
Technically, yes, but it requires a deep modification of the file. 4PDA They put the themes that have already been converted into.apk, which are installed as regular applications: ⚠️ Such APK May contain advertisements or malicious code; ⚠️ Not all theme elements will work (e.g. system fonts); ⚠️ Nana MIUI 14 and HyperOS this method is often blocked.
How to create your own MTZ-Xiaomi-themed?
Use Mi Theme Editor (to edit existing themes); MT Manager (for unpacking and modification of.mtz); GIMP/Photoshop (You can pack the finished theme back into.mtz via MTZ Tool. To publish in the official store, you will need a Xiaomi developer account (paid).