How to change font to Xiaomi 9C: official and informal methods

Xiaomi 9C smartphone based on MIUI offers users flexible customization options, including changing the system font. However, not everyone knows that in addition to the standard themes of design in MIUI Themes, there are alternative ways - from installing third-party fonts to manually editing system files. In this article, we will analyze all the current methods, their pros and cons, as well as nuances that are important to consider before experimenting with the interface.

The main problem with changing fonts to Xiaomi 9C is the firmware version and access level. For example, MIUI 12/13 with unlocked bootloader is more than on stock firmware without superuser rights. We will look at options for different scenarios, from safe (via official themes) to advanced (using ADB or Magisk), and you will learn how to return a standard font if the result does not suit you.

Method 1: Change the font through MIUI Themes (official method)

The easiest and safest way to change the font is to use the built-in Themes app (MIUI This method does not require root rights and is suitable for all versions of Xiaomi. 9C, And that includes models that have a locked bootloader:

📱 Open the Themes app (icon with brush on desktop).
🔍 Go to the Font tab (may be called Font in English version).
🎨 Select your favorite font from the collection. Preview is available immediately.
⬇️ Click Apply and confirm download (if font is not installed).

Note that free fonts in MIUI Themes are often limited to basic sets, premium options (such as those with support for Cyrillic or Asian characters) may require purchase through Mi Account, and some fonts are only correctly displayed in certain interface languages.

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If the font you want doesn’t appear on the list, try changing the region in your phone settings to India or Indonesia – there’s usually a wider collection of themes.

Advantages of the method:

✅ Does not require technical skills.
✅ Safe for the system (no risk of bricking").
✅ It's easy to roll back to standard font.

Disadvantages:

❌ Limited choice of fonts (especially for Cyrillic).
❌ Some fonts may not support all characters.

Method 2: Install fonts via APK (without root)

If you don't like embedded themes, you can manually install the font through third-party apps, which works without root rights, but requires permission to install APKs from unknown sources.

📌 iFont (supports.ttf and.otf files).
📌 FontFix (specialized for Xiaomi).
📌 ZFont 3 (allows you to preview the font).

Instructions for iFont:

Download and install iFont from Google Play.
Download a font file (.ttf or.otf) to your phone (e.g., from Google Fonts).
Open iFont, click Local and select the downloaded file.
Tap Set. → choose MIUI system-list.
Confirm the installation and restart the phone.

Download APK applications (iFont, FontFix)|Download the font file (.ttf/.otf)|Allow installation from unknown sources|Make a backup copy of the current font|Restart the phone after installation-->

Important: On MIUI 14+, some font change applications may not work due to tighter security policies, in which case you will need to roll back to MIUI 12/13 or use the ADB method.

⚠️ Note: Installation of fonts through APK It can cause some applications (such as banking or instant messengers) to crash if they use system libraries to display text. Before installing, check reviews about the compatibility of the selected font with your version. MIUI.

Method 3: Manually modifying font through ADB (for advanced)

If you're ready to experiment, you can replace the system font with ADB (Android Debug Bridge), which requires the developer mode to be turned on and the phone connected to the PC, and the advantage is that you have complete control over the fonts, including replacing system files, but there are risks: if you make a mistake, the phone may stop booting.

Step-by-step:

Activate Developer Mode on Xiaomi 9C: Settings → About Phone → MIUI Version (Tap 7 times) Then go back to Settings → Additional → For Developers and turn on Debugging over USB.
Connect your phone to your PC and install ADB Tools.
Download the archive with a MIUI-compatible font (e.g., from the XDA Developers forum) and the archive should contain Roboto-Regular.ttf, NotoSansCJK-Regular.otf, and more.
Open the command line in the ADB folder and execute: Adb devices (you should display your device).
Copy the fonts to the system folder: adb push Roboto-Regular.ttf /sdcard/ adb shell su mount -o rw,remount /system cp /sdcard/Roboto-Regular.ttf /system/fonts/ chmod 644 /system/fonts/Roboto-Regular.ttf reboot

After the reboot, the font should change. If something goes wrong, restore the original files from the backup.

What if the phone does not load after changing the font?

If, after replacing the fonts, ADB phone hangs on the logo MI, try: 1. Enter Recovery Mode (Squeeze Power) + Loudness up). 2. Select Mount → System and connect the phone to the PC. 3. Through ADB Return the original font files: adb push original_font.ttf /system/fonts/ 4. If that doesn't work, I'll need to flash it over the Fastboot.

Method	Need root?	Risk of failure	Compatible with MIUI 14
MIUI Themes	❌ No.	⚠️ Low.	✅ Yes.
Third-party APKs (iFont)	❌ No.	⚠️ Medium.	❌ Partially.
ADB (manual replacement)	✅ Yes/No*	❗ High-pitched	✅ Yes.
Magisk Module	✅ Yes.	⚠️ Medium.	✅ Yes.

* Without root, only custom fonts can be replaced, system fonts require superuser rights.

How to return the standard font to Xiaomi 9C

If the experiment with fonts failed, you can return everything in several ways:

🔄 Through MIUI Themes: Choose a Default or Basic theme.
📦 Through Resetting Settings: Settings → Additionally. → Resetting settings → Resetting theme settings
💻 Through ADB (If the font has been replaced by hand: adb shell su mount -o rw,remount /system rm /system/fonts/custom_font.ttf reboot

If the font was installed via Magisk, remove the corresponding module in the module manager and restart the phone.

⚠️ Note: On some versions MIUI Resetting themes does not restore system fonts replaced by ADB. In this case, you will need to manually copy the original font files back to the /system/fonts/ Or reflash your phone via Fastboot.

Frequent problems and their solutions

When you change fonts to Xiaomi 9C, users experience common errors, and here are the most common ways to fix them:

🔤 Font does not change after application: Check if the font supports your language (for example, Cyrillic). Reboot your phone - sometimes changes apply only after the reboot. Delete the app cache Themes in the settings.
⚠️ Apps are coloring or displaying characters: Install a font that supports Unicode (like Noto Sans). Return the standard font for problem apps through their settings (if you have one).
🔒 You can’t install font – the “Apply” button is inactive: Update the application MIUI Themes to the latest version. Check if there's an energy saving mode in place, which can block background processes.

MIUI Themes|Third-party APK (iFont, FontFix)|ADB or manual replacement |Magisk Module|Have never tried-->

Additional tips for font customization

If you want to make the most of the customization of fonts on Xiaomi 9C, pay attention to these nuances:

🎨 Combination of fonts and themes: Not all fonts look good with dark themes, for example, thin fonts (Roboto Thin) can get lost on a black background.
📏 Font size: After changing the font, you may need to adjust its size in the settings: → Screen. → Font size and display
🔍 Compatibility Check: Check it on Font Squirrel before installing the font – there’s a tool there to test character support.

For exotic lovers, animated fonts (such as neon or gradient fonts) can be found on Xiaomi forums, but they often require Magisk and can slow down the interface.

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Before installing custom font, always back up the original files from /system/fonts/. This will allow you to quickly roll back in case of failures.

FAQ: Answers to popular questions

Can I install a font on Xiaomi 9C without a computer?

Yes, through apps like iFont or FontFix, which allow you to upload fonts directly to your phone and use them without connecting to a PC, but some system fonts will still require ADB or root.

Why do some characters appear in squares after changing the font?

This means that the font chosen does not support the desired characters (e.g. Cyrillic or emoji).Solution: Set a font with full Unicode support (e.g. Noto Sans). Use a font combination: one for Latin, the other for Cyrillic (requires manual adjustment via ADB).

How to back up your current font before making changes?

Copy files from the folder /system/fonts/ To do this, connect your phone to your PC and turn on Debugging. USB. In the command line, do: adb pull /system/fonts/ C:\backup_fonts\ This will save all system fonts in the folder backup_fonts disk-C:.

Will a factory reset return the standard font?

Yes, a full reset will return all system fonts to their original state. However, it will also delete all your data, so pre-backup. To reset only the theme settings (without losing data), use: Settings → Additional → Reset Theme settings → Reset

Can I install a font from Google Fonts on Xiaomi 9C?

Yes, but with caveats: Download the font from Google Fonts in.ttf format. Use iFont or ADB to install (as described above).Be aware that not all Google Fonts are optimized for mobile screens - some may look blurry.