How to remove wallpaper from the lock screen on Xiaomi Redmi 9T: guide

Lock screen on Xiaomi Redmi 9T β€” This is the first thing you see when you turn on your smartphone, but the standard wallpaper MIUI Some people want to leave a clean black background to save charge. AMOLED-The display (although the Redmi has a 9T matrix IPS), Others are going to remove distractions for the sake of a minimalist look, and still others are going to encounter a bug when the wallpaper on the lock and desktop is not synchronized. In this article, we will discuss all the working ways to disable or replace the background on the lock screen, including hidden settings. MIUI and methods for experienced users.

It is important to understand that Redmi 9T shell-work MIUI, So, for example, there's no separate lockback, which is the system attaches it to the main wallpaper or uses dynamic themes. MIUI 12.5-14 (including the global and Chinese versions), so the instructions are relevant for most users. If your smartphone has upgraded to HyperOS, some menu items may be called differently - we will warn you about this separately.

Why you can’t just remove the wallpaper from the lock in Redmi 9T

Unlike smartphones on pure Android (like Google Pixel), where the lock background is set up separately, MIUI It combines the desktop wallpaper and the lock screen into one parameter:

  • πŸ”„ When changing the wallpaper on the main screen, the background of the lock automatically changes (and vice versa).
  • 🚫 No button "Delete wallpaper" - only replacement with other pictures from the gallery or themes MIUI.
  • 🎨 Dynamic wallpapers (such as Super Wallpapers) are always displayed on the lock.
  • πŸ”’ On some firmware, the background of the lock is tied to the theme of the design (for example, a dark theme). = black-back).

Besides, Redmi. 9T It does not support the Always-on Display feature (AOD), So the wallpaper on the lock is only visible when you turn on the screen, which makes it easier to do this: if you want to completely remove the background, you just need to set a monochrome color (like black) through the standard settings:

  • πŸ–ΌοΈ Wallpaper on the lock and desktop different (bug after the update).
  • πŸ“± You need to leave the background on the main screen, but remove it from the lock.
  • πŸ”§ Standard methods do not work due to custom firmware.

There is a solution for each case, from simple settings to manual editing of system files.

πŸ“Š How do you usually change wallpaper on Xiaomi?
Through standard settings
I'm installing themes from MIUI Themes
I use third-party launchers (Nova, Apex)
Never change.

Method 1: Installation of a monotonous background through settings MIUI

The easiest and safest method is to replace the current wallpaper with a solid color (for example, black or white), which visually creates a "no background" effect, although technically the wallpaper will remain.

  1. Open the Themes app (icon with brush).
  2. Go to Wallpaper section. β†’ My wallpaper.
  3. Click Change under the current wallpaper.
  4. Select the Color tab (or Solid Colors in new versions) MIUI).
  5. Put a black (or other monochromatic) background on it and apply it.

If there is no Color tab:

β˜‘οΈ What to do if there is no color tab"

Done: 0 / 3

This method works on all versions. MIUI, But it has a limitation: the lock and desktop background will remain the same. If you need to separate them, read the next section.

πŸ’‘

V MIUI 14 and HyperOS black background lock automatically hides the clock and notifications. To return them, turn on the option to Show information on the lock screen in Settings β†’ Lockdown

Method 2: Separation of lock wallpaper and desktop

Starting with MIUI 12.5, at Redmi. 9T There's a hidden function of separate wallpapers, but it's not stable:

  1. Open the Settings β†’ Wallpaper.
  2. Choose a new image for your desktop, but don’t use it right away.
  3. Click on the three dots in the upper right corner and select Apply only on the home screen.
  4. To block, set a monochromatic color (see Method 1).

If the item Apply only on the main screen is not:

  • πŸ“² Try a long press on the preview of wallpaper β†’ Set on....
  • πŸ”„ Reboot your smartphone and try again.
  • πŸ› οΈ Update the firmware to the latest version (in) MIUI 14 function is more stable).

On some firmware for Redmi 9T Wallpaper splitting blocked by politicians MIUI. In this case, only manual editing of system files (Method 4) or using the system will help. ADB (Method 3).

MIUI versionDoes it support separate wallpaper?Notes
MIUI 12.0–12.5❌ No.Only through ADB third-party launchers
MIUI 12.5 Enhanced⚠️ Partially.The function appears after resetting theme settings
MIUI 13–14βœ… Yes.It works through the menu "Apply to..."
HyperOSβœ… Yes.The menu item is called "Set up separately".

Method 3: Disconnecting wallpaper through ADB (power-user)

If the standard methods don’t work, you can use Android Debug Bridge (ADB) β€” It's a deep-tuning tool, and it requires you to connect your smartphone to your PC and enable debugging. USB.

Warning: The wrong commands ADB They can disrupt your smartphone. Make a backup copy of your data before you start.

⚠️ Note: Some of the Redmi firmware 9T post-command ADB lockdown settings are reset (PIN/Check in advance if you remember them!

Instructions:

  1. Turn on Developer Mode: Go to Settings β†’ About Phone and tap the MIUI version 7 times.
  2. Return to Settings β†’ Additional β†’ For developers and activate Debugging over USB.
  3. Connect your smartphone to your PC, install drivers ADB (For example, through Minimal ADB and Fastboot).
  4. Open the command prompt (Windows) or terminal (Linux/macOS) and type:
adb shell settings put global lock_screen_show_notifications 0


adb shell settings put global lock_screen_allow_private_notifications 0




adb shell settings put secure lock_screen_show_media 0




adb shell pm disable-user --user 0 com.android.wallpaperbackup

These teams:

  • Disable the display of notifications on the lock (so that the background is not overlaid with text).
  • Block backup wallpaper system.
  • Reset the current background lock settings.

After the commands are executed:

  1. Reboot your smartphone.
  2. Set a monotonous background through Settings β†’ Wallpaper (see Method 1).

If the background is still displayed, try the additional command:

adb shell settings put global lock_screen_custom_image_enabled 0
What if the ADB does not recognize the device?
1. Check if debugging is included on USB Install drivers for Redmi. 2. Install drivers for Redmi. 9T (Download from the official Xiaomi website. 3. Try another one. USB-cable (preferably original). 4. Enter adb devices in the command line – if the device does not appear, restart the service ADB: adb kill-server β†’ adb start-server.

Method 4: Manual editing of system files (root access)

This method is only suitable for users with an unlocked bootloader and Magisk installed (root rights), it allows you to completely remove the lock wallpaper, replacing it with a transparent background or custom image.

⚠️ Warning: Incorrect editing of system files can lead to bootloop ( looped boot). TWRP Or OrangeFox.

Instructions:

  1. Install a file manager with root support (such as Solid Explorer or FX File Explorer).
  2. Follow the path:
/system/priv-app/MiuiSystemUI/MiuiSystemUI.apk/res/drawable-xxhdpi/

Or (for new versions of MIUI):

/product/overlay/MiuiSystemUIFramework/res/drawable/
  1. Find the files with the names:
  • default_wallpaper.jpg or default_wallpaper.png
  • lockscreen_wallpaper.jpg
  • miui_wallpaper_* (any files with this prefix)
  1. Copy these files to a backup folder (in case of a rollback).
  2. Replace them with:
  • πŸ–€ Black background: create an image 1080Γ—2340 pixels (Redmi screen resolution) 9T) In any graphics editor and save it under the same name.
  • πŸ—‘οΈ Transparent background: use PNG with the alpha channel (but note that MIUI It can be shown as black).
  1. Change the permissions to replace files: 644 (rw-r)--r--).
  2. Reboot your smartphone.

If after the reset, the wallpaper remained:

  • πŸ”„ Clear the app's cache Themes in Settings β†’ Annexes.
  • πŸ”§ Execute the command through ADB:
adb shell rm -rf /data/system/users/0/wallpaper*

Method 5: Using third-party launchers and applications

If you don’t want to dig into system settings, you can bypass the restrictions. MIUI With third-party tools, the best options for Redmi 9T:

1. Launchers with support for separate wallpaper

  • 🌟 Nova Launcher: allows you to install different wallpaper for desktop and lock through the plugin Nova Wallpaper Plugin.
  • 🎨 Apex Launcher: has a built-in split background function.
  • πŸ”§ Microsoft Launcher: syncs with Windows, but requires additional settings to lock.

How to set up in Nova Launcher:

  1. Install a launcher and plugin for wallpaper.
  2. Hold your finger on the desktop. β†’ Wallpaper settings.
  3. Select different wallpapers to lock.
  4. Set a monochrome color to block.

2. Applications for customization of blocking

  • πŸ”’ Always on Display (even without it) AOD): Allows you to set the background of the lock separately.
  • πŸ–ΌοΈ Wallpaper Changer: Automatically changes wallpapers on schedule, including locking.
  • πŸ› οΈ Lock Screen Customizer: Full control of locking elements (requires root).

⚠️ Note: Applications for customization of blocking may conflict with MIUI Optimization is a system process that resets settings after rebooting. To avoid this, disable optimization through ADB:

adb shell pm disable-user --user 0 com.miui.powerkeeper

Frequent problems and their solutions

Even after using one of the methods, users of Redmi 9T We're going to look at the typical situations and their solutions:

Problem.Reason.Decision
Wallpaper locks are reset after rebootingMIUI Optimization Resets SettingsTurn off optimization through ADB (See above or use the Nova Launcher
Black background lock, but watches and notifications are not visibleMIUI hides elements on dark wallpaperTurn on Showing information on the lock screen in settings
The lock and desktop wallpaper are different, but not synchronizedMIUI bug after updateReset the theme settings in Settings β†’ Topics β†’ Drop it.
It is impossible to use a single colorDamaged files of topicsClear cache and app data Topics

If none of the methods worked, check:

  • πŸ“± Firmware Version: on Beta Versions MIUI wallpapering.
  • πŸ”„ Firmware region: on Chinese versions MIUI more restrictions.
  • πŸ› οΈ Custom modifications: If you installed patches through Magisk, they could block wallpaper changes.

πŸ’‘

On the Redmi. 9T HyperOS firmware lock wallpaper is configured via Settings β†’ Personalization β†’ Lock screen. Old methods (via "Themes") may not work!

FAQ: Answers to Frequent Questions

Can you remove the wallpaper from the lock, but leave it on the desktop?
Yes, but only on MIUI 13-14 and HyperOS via the "Application Separate" menu. On older versions, Nova Launcher or editing system files (root needed) will help).
Why is the old picture still on the lock after the wallpaper change?
It's a cache bug. MIUI. Solution: Clear the Topic app cache. Reboot your smartphone. If it doesn't work, execute the command via ADB: adb shell rm -rf /data/system/users/0/wallpaper*
How to return standard wallpaper MIUI post-hand-edit?
If you have changed system files: Restore the original files from backup. Or reinstall the firmware via Fastboot (without data loss). ADB: adb shell settings delete global lock_screen_show_notifications adb shell pm enable com.android.wallpaperbackup
Will the battery be saved if you put a black background?
On the Redmi. 9T fixed IPS-screen, not AMOLED, So black backgrounds don't save charge. Energy consumption depends only on the brightness of the screen. If you want autonomy, you better turn off the lift to wake up in the lock settings.
Can I install a GIF or video on the lock screen?
Standard means MIUI β€” No, but you can use it: 🎬 Video Wallpaper (requires root). πŸ–₯️ KLWP Live Wallpaper Maker (complex setup but without root) Note that animated wallpaper drains the battery.