Xiaomi Redmi 9A is one of the most popular budget smartphones with a shell MIUI, which offers users flexible customization. Changing the font is not only a way to distinguish your phone from others, but also to improve the readability of text, especially for people with disabilities. However, not everyone knows that on Redmi 9A there are at least 5 different ways to change the font: from built-in tools to install third-party solutions.
In this article, we will discuss each method in detail, from the basic settings in the Topics menu to using applications like iFont or FontFix. MIUI, which allows you to install fonts without ROOT-right ADB β This method works even on locked downloaders, and you will also learn which fonts are best for the Redmi screen. 9A permittingly 720Γ1600 pixel density 269 PPI, So that the text looks clear and doesn't blur.
If you've tried to change the font before and you've encountered errors like, "Not applicable theme" or "No Font supported," there's a section at the end of the article that addresses typical problems, and for those who are afraid of breaking something, we've prepared a step-by-step checklist with a pre-installing compatibility checklist.
1. Standard method: changing the font through "Themes"
The easiest and safest method is to use the built-in Themes app. On the Redmi 9A with MIUI 12/13, this method works without additional manipulation, but has a limitation: only fonts approved by Xiaomi are available. However, there are more than 50 of them, including Cyrillic variants.
How to do this:
- π± Open the Themes app (the icon with a brush on the home screen or in the app menu).
- π Go to the Fonts section (tab at the bottom of the screen).
- π Scroll through the list and select the font you like. Click on it, then Apply.
- β³ Wait until the process is complete (it can take up to 30 seconds.
Advantages of the method:
- β No, he doesn't. ROOT or unlock the loader.
- β All fonts tested by Xiaomi for compatibility with the MIUI.
- β You can return the standard font in one click.
β οΈ Note: After changing the font through the Topics, some system applications (for example, Settings or Calls) may display the text incorrectly - letters can "pose" on each other. MIUI. Solution: Select a font marked βOptimized forβ MIUIΒ».
2. Install fonts through the iFont application (without ROOT)
If you don't have enough built-in fonts, you can use a third-party iFont app. It allows you to install custom fonts in.ttf or.otf format, but on Redmi 9A, you will need to enable debugging over USB and execute one command via ADB.
Step-by-step:
- Download and install iFont from Google Play.
- Turn on Developer Mode on your phone: Go to Settings β About Phone β MIUI Version. Click 7 times on the MIUI Version bar until the notification βYouβve become a developerβ appears. Go back to Settings β Additional β Developer Version and enable USB Debugging.
adb devices(Serial number of your Redmi 9A should be displayed).
adb shell pm grant com.kapp.ifont android.permission.WRITE_SECURE_SETTINGSGoogle Fonts
Set
Popular fonts for Redmi 9A that are well displayed on its screen:
| Name of font | Type | Features | Compatibility with MIUI |
|---|---|---|---|
| Roboto | Sans-serif | Readable, neutral | β Great. |
| Open Sans | Sans-serif | Good for the web, but it may seem too thin. | β Good. |
| Noto Sans | Sans-serif | Supports Cyrillic, optimized for mobile screens | β Great. |
| Montserrat | Sans-serif | Stylish, but takes up more space on the screen | β οΈ Possible overlay of symbols |
| PT Sans | Sans-serif | Designed for Cyrillic, clear | β Great. |
β οΈ Note: If after installing the font through iFont, the phone started to slow down or some applications stopped opening, return the standard font. To do this, select the Default Font option in iFont and restart the device. MIUI or 9A (MediaTek Helio processor G25 has limitations on rendering complex fonts).
Download iFont from an official source|Enable debugging on USB|Install ADB-PC drivers|Make a backup copy of the data|Check the compatibility of the font with MIUI-->
3.Use of FontFix application for MIUI
FontFix is a dedicated application for Xiaomi devices that makes it easy to install fonts without ADB. It works on Redmi 9A with MIUI 12.5 and later, but requires pre-configuration.
Instructions:
- π² Download FontFix from CoolAPK (no official release on Google Play).
- π§ Install. APK-File by allowing installation from unknown sources (Settings) β Annexes β Special access β Installation of unknown applications).
- π₯οΈ Connect your phone to your PC and execute the same command. ADB, What is the case with iFont (see previous section).
- π¨ In FontFix, select a font from the collection or upload your own (the file must be in.ttf format).
- π Press Apply and restart the phone.
The advantages of FontFix over iFont are:
- πΉ Supports dynamic fonts (change depending on the size of the text).
- πΉ There is a built-in compatibility check with MIUI.
- πΉ You can configure the font separately for system and user applications.
Disadvantages:
- β Chinese language application (you need to use a translator or intuitive interface).
- β Not all fonts are optimized for Redmi 9A β Possible artifacts when scrolling.
π‘
Before installing a font through FontFix, check its feedback on forums (e.g. 4PDA). fonts rated below 4.5 often cause display problems in MIUI.
4. Manual font modification via ADB (for power users)
This method is suitable for those who are not afraid of the command line and want to install the font without unnecessary applications. It works on Redmi 9A thanks to the features of MIUI, which allows you to change system settings through ADB even without ROOT.
Step-by-step:
- Download the font in.ttf format and rename the file to custom.ttf.
- Place the file in the platform-fonts folder on your phone (create it in the root directory if it is not).
- Connect Redmi 9A to your PC and execute commands: adb shell su mount -o rw, remount /system cp /sdcard/platform-fonts/custom.ttf /system/fonts/ chmod 644 /system/fonts/custom.ttf mount -o ro,remount /system reboot
If the font has not changed after the reboot, check:
- πΈ Is the file path correctly specified (registrar is important!).
- πΈ Does the antivirus block access to the ADB.
- πΈ Is the font compatible with the Android version on your Redmi? 9A (Android 10/11).
β οΈ Attention: Incorrect execution of commands ADB If after the reboot the phone is stuck on startup the Redmi logo, try to go to Fastboot. + Volume down) and perform reset via command: fastboot erase userdata This will delete all user data, but will keep the system up to date.
What if the font does not change after ADB commands?
5. Change font through Magisk (for users with ROOT)
If your Redmi 9A has Magisk installed (which is unlikely without unlocking the bootloader, but it is possible), you can use the modules to deep customize the fonts, which gives you maximum freedom, but requires technical skills.
Instructions:
- π Make sure that the phone has Magisk installed and the bootloader is unlocked.
- π₯ Download FontManager Module for Magisk.
- π Place the font file (.ttf) in the folder /sdcard/FontManager.
- π Reset the phone to recovery mode (TWRP) and run the module through Magisk.
- π¨ After the reboot, open the FontManager app and select the set font.
Advantages of the method:
- πΉ Support for multiple fonts at the same time (you can assign different ones for system and user applications).
- πΉ The ability to adjust the size and boldness of the font globally.
- πΉ Compatibility with any.ttf/.otf file.
Risks:
- β οΈ If the module is installed incorrectly, a bootloop is possible (locking on the boot).
- β οΈ Some banking applications (Sberbank, Tinkoff) may stop working due to the presence of Magisk.
π‘
Using Magisk to change the font is the most powerful, but also the riskiest method. If you are not sure about your skills, you should opt for iFont or FontFix.
6. How to return the standard font to Redmi 9A
If after experimenting with fonts you want to return the original appearance of the system, you can do it in several ways depending on the installation method:
| Method of font installation | Way of rollback |
|---|---|
| Through the Topics app | Open Themes β Fonts and select by default. |
| Through iFont or FontFix | In the app, select the Default Font or Restore option. |
| Through ADB | Delete the font file from /system/fonts/ command: adb shell rm /system/fonts/custom.ttf Then restart the phone. |
| Through Magisk | Remove the FontManager module in Magisk Manager and perform a Reboot. |
If the font is still displayed incorrectly after rollback:
- Clear the theme app cache (Settings β Apps β Application Management β Themes β Clear the cache).
- Restart your phone in Safe Mode (clutch Power, then hold off Power until a request appears). In Safe Mode, the font should return to standard.
- If nothing works, reset (Settings β Additional β Restore and Reset β Reset) Attention: This will delete all data from the phone!
7. Solving typical problems when changing font
When changing the font to Redmi 9A, users often encounter the following errors:
Problem 1: After applying the font, some characters are displayed with squares or question marks.
Solution: This means that the font does not support Cyrillic or special characters.Install a font with full Unicode support (e.g. Noto Sans or DejaVu Sans).
Problem 2: The iFont or FontFix app gives an error called βFont failed to apply.β
Decision:
- Check if the ADB command is executed to grant rights.
- Update the app to the latest version.
- Reboot your phone and try again.
Problem 3: After changing the font, the phone started to slow down.
Solution: Too heavy fonts (with lots of glyphs or decorative elements) can load the Helio G25 processor. Choose a simpler font (like Roboto or Arial).
Problem 4: The font has changed, but in some applications (WhatsApp, Telegram) it has remained the same.
Solution: Some apps (especially messengers) use their own fonts, and to fix this, you need to:
- For Telegram: go to Settings β Font Size β Use System Font.
- For WhatsApp: The font will only change after the app is reinstalled.