The font problem on Xiaomi Redmi 9 is one of the most common after the MIUI update, custom themes or system failures. Users often experience text becoming too small, blurry, replaced with characters or disappearing altogether, most of which is not a hardware breakdown, but a software failure that can be fixed on your own.
In this article, we will discuss 5 proven ways to return a standard font to Redmi 9 โ from simple settings to deep reset and work with ADB. You will learn how to diagnose the cause of the problem, what tools to use, and what to do if the font disappeared after updating or installing third-party applications. All instructions are adapted to MIUI 12/13/14 and do not require root rights.
Before you start fixing, make sure that the problem is not related to physical damage to the screen. If the text disappears partially (for example, only in some applications) or the screen flickers - this may indicate a malfunction of the display or plume, in which case it is better to contact the service center.
1. Check the basic font settings in MIUI
To start with, the simplest thing is that the font may have changed because of a random click or update to the theme, and MIUI has built-in tools for managing text size and style that are often ignored.
Open Settings โ Screen โ Text and display size. Here you will see the "Font Size" slider and the "Font Style" option. Try:
- ๐ Reset the font size slider to the middle position.
- ๐ฑ Click on โFont Styleโ and select by default (MIUI) standard.
- ๐จ If you have a custom theme installed, return it to the standard (Settings) โ Theme โ My subjects. โ Standard).
After the changes, restart your phone. If the font doesn't recover, move on to the next method.
โ ๏ธ Note: Some users report that after updating to MIUI 14 Option Font style may not be available, in which case, try changing the system region to India (via Settings) โ Additionally. โ Region โ This sometimes returns hidden settings.
2. Resetting display settings to factory
If the basic settings didn't work, the next step is to reset the screen, and that will bring back not only the font, but also the brightness, the color palette, the zoom.
For this:
- Go to Settings โ System โ Additional โ Resetting settings.
- Select Reset Display Settings (not to be confused with a full reset!).
- Confirm the action and wait for the reboot.
After reset, check if the font has recovered, and if not, the problem may be deeper, for example, in corrupted system files.
๐ก
Before reset, take screenshots of the current screen settings (brightness, color profile) to quickly restore them later.
3. Removal of custom themes and fonts
One of the common reasons for changing the font is to install themes from Mi Theme Store or third-party sources, and even if you didn't consciously change the theme, it could update automatically.
To return the standard font:
- ๐๏ธ Remove all installed themes: Settings โ Theme โ My subjects. โ Delete.
- ๐ Check the Download folder for files with the.mtz extension and delete them.
- ๐ฆ Turn off automatic themes updates: Mi Theme Store โ Profile โ Settings โ Auto-update themes.
If you installed fonts through apps like iFont or FontFix, delete them and clear the cache:
- Go to Settings โ Applications โ Application Management.
- Find the font app, click โDeleteโ and โClear Dataโ.
โ ๏ธ Note: Some font change applications (e.g. ZFont) require root access and may damage system files. If you have used them, after deleting, perform system integrity checks through Settings โ The phone. โ Verification of updates โ Three points. โ Checking of packages.
4. Font recovery via ADB (for power users)
If previous methods didnโt work, the problem could be corrupted system font files, in which case ADB (Android Debug Bridge), a tool for debugging Android through a computer, will help.
You'll need:
- ๐ป Computer with installed ADB-driver.
- ๐ฑ Included debugging by USB on the phone (Settings) โ The phone. โ Version. MIUI โ 7 times press to unlock the developer mode, then Settings โ Additionally. โ For developers โ Debugging by USB).
- ๐ Cable USB (preferably original).
Connect your phone to your PC and execute commands in ADB Shell:
adb shell
su
mount -o rw,remount /system
rm -rf /system/fonts/*
cp -r /system/media/fonts/* /system/fonts/
chmod 644 /system/fonts/*
rebootThese teams:
- Remount the system partition to the recording mode.
- Delete damaged fonts.
- Copy standard fonts from the backup folder.
- They establish the right access rights.
- Reboot the device.
โ ๏ธ Note: Su commands require root rights. If they are not available, use an alternative method via fastboot (described below). ADB It can cause complete loss of the device!
What if the ADB canโt see the device?
5. Complete reset to factory settings
If none of these methods work, then the last option is hard reset, which will delete all the data from the phone, so back up first:
- ๐ Save photos, videos and documents on PC or in the cloud (Mi Cloud, Google Drive).
- ๐ Export contacts and SMS through settings โ Google โ Backup.
- ๐ฎ Write down account data (logins, passwords) for re-entry.
For discharge:
- Go to Settings โ About the phone โ Reset settings.
- Select โErase all dataโ.
- Enter your password (if required) and confirm.
Once reset, the phone will reboot and return to factory status with the original fonts, and if the problem was software, it should go away.
Save photos and videos on PC|Export contacts|Record passwords from accounts|Unplug your Google account (if you sell your phone)|Check the battery charge (minimum 50%)-->
Alternative methods: flashing and service center
If even after resetting the font has not recovered, this may indicate:
- ๐ง Damage to the system partition (/system).
- ๐ ๏ธ Hardware malfunction of the display controller.
- ๐ฅ Incorrectly installed firmware (for example, after manual update).
In such cases, flashing through Fastboot will help.
- Download the official firmware for Redmi 9 from the Xiaomi Firmware website.
- Unpack the archive and follow the instructions for the firmware through the Mi Flash Tool.
If you are not sure of your abilities, contact the Xiaomi service center. The cost of diagnosis usually does not exceed 500-1000 rubles, and repairs under warranty (if it is valid) can be free.
| Method | Difficulty | PC required | Loss of data | Efficiency |
|---|---|---|---|---|
| Type settings in MIUI | โญ | โ No. | โ No. | 60% |
| Resetting display settings | โญโญ | โ No. | โ No. | 70% |
| Deletion of themes and fonts | โญโญ | โ No. | โ No. | 75% |
| ADB (Font Restoration) | โญโญโญโญ | โ Yes. | โ No. | 85% |
| Full reset (Hard Reset) | โญโญโญ | โ No. | โ Yes. | 95% |
๐ก
If the font is missing after the MIUI update, try to roll back to the previous firmware version through Recovery.This often solves the problem without losing data.