The Xiaomi 9 (or Mi 9) is still a popular device thanks to its powerful hardware and flexible MIUI firmware. However, even owners with experience sometimes face difficulties when trying to change wallpaper โ especially if it comes to live wallpaper, third-party themes or non-standard resolutions. In this article, we will discuss all the current ways to change wallpaper on Xiaomi 9, including hidden settings, bypassing the limitations of MIUI and solving typical errors.
It is important to understand that the interface MIUI It's constantly updated, and some menu items may vary depending on the firmware version. MIUI 14/15 (Android 12/13), But we'll give you alternative paths for the older versions. 9 Pro and Xiaomi 9 SE โ Their wallpaper settings may differ slightly.
If you want not just to change the background, but to optimize it for the AMOLED-Read on, read on, read on, read on, there's no universal "tips for kettles," just specific instructions with technical nuances in mind.
1. Standard method: wallpaper through MIUI settings
The most obvious method is to use the built-in MIUI tools. It is suitable for most users, but has limitations: you canโt install live wallpaper without third-party apps, and the choice of standard themes is often limited to regional settings.
To change the wallpaper in a standard way:
- ๐ฑ Open the Themes app (icon with brush and palette).
- ๐ผ๏ธ Go to the Wallpaper tab in the lower menu.
- ๐ Select category: Static, Live or My Wallpaper (if previously downloaded).
- โ Click on the image you like and select Apply.
If there is no Wallpaper tab, update the Themes app via Google Play or the MIUI App Store. In older versions of MIUI (up to 12.5), wallpaper was customized via Settings โ Screen โ Wallpaper.
๐ก
If the wallpaper is cropped at the edges, try turning on the option to Stretching or Fitting in the preview menu. AMOLED-It is better to choose dark themes - this will reduce battery consumption.
2. Live wallpaper: how to install without lags
Live Wallpapers on Xiaomi 9 can slow down if not optimized for Snapdragon 855. Official wallpaper from Xiaomi usually work stable, but third-party (for example, from Google Wallpapers) sometimes cause overheating or quick battery discharge.
To install live wallpaper without problems:
- Download the wallpaper app (like Live Wallpapers Picker or Wallpapers Craft).
- Select the wallpaper and click Install.
- If the system is making an error, go to Settings. โ Annexes โ Application management โ Three points (โฎ) โ Special access โ Wallpaper and allow installation.
- For smooth work, turn off animation in the developer settings (Settings โ About Phone โ MIUI version โ tap 7 times, then return to Additional โ For developers and install Windows animation = 0.5x).
Critical information: on Xiaomi 9 with MIUI 14+, some live wallpapers may conflict with the Ultra-Economic Mode function. If the phone starts to brake after installing the wallpaper, turn this mode off in Settings โ Battery.
3. Installation of wallpaper from gallery or third-party files
If you want to put your own image (for example, a photo or a downloaded background), MIUI offers two ways: through the Gallery or through the Themes. The first way is easier, but the second one gives more options for customization (for example, blur or darken).
Instructions through the Gallery:
- ๐ท Open the photo in the Gallery app.
- ๐ง Press three points (โฎ) in the upper right corner and select Set as โ Wallpaper.
- ๐ฑ Choose which screen to use: Home, Lock or Both.
- ๐จ Adjust the scale and position, then click Ready.
Through Themes:
- ๐ผ๏ธ In the Topics app, go to My Wallpaper โ Local.
- ๐ Select a folder with an image (for example, Downloads or DCIM).
- ๐ Click on the photo and select Apply.
Resolution of at least 2280ร1080 (for AMOLED)
JPEG/PNG format (WEBP may not be supported)
- Lack of important parts around the edges (will be cut)
Color gamut: dark tones to save battery
-->
4. Hidden MIUI features for wallpaper
MIUI hides some useful wallpaper options that are not obvious at first glance, such as:
- ๐ Automatically change wallpaper depending on the time of day (dark - at night, light - during the day).
- ๐ Synchronize wallpaper with the weather (rain, snow, sun).
- ๐ญ Apply the blur effect to lock wallpaper (hidden notifications).
- ๐ Block wallpaper change without password (useful if children use the phone).
To enable automatic wallpaper change:
- Open Topics โ Wallpaper. โ Settings (โ๏ธ).
- Choose Wallpaper Man.
- Set the interval (every hour/day/week) or tie it to the time of day.
- Add your images to the MIUI/Wallpaper/Carousel folder (create it manually if not).
For weather synchronization:
- Download a theme with dynamic wallpaper support (e.g. Weather Live Wallpaper from Theme).
- Set it up and allow access to the location.
- In the wallpaper settings, select the Dynamic Effect.
How to return standard MIUI wallpaper after resetting?
5. Problem Solving: Wallpapers do not change, brake or drop
A common complaint of Xiaomi 9 users is that wallpaper is spontaneously reset to standard or not applied at all, and the reasons can be different from MIUI bugs to conflict with the battery optimizer.
| Problem. | Reason. | Decision |
|---|---|---|
| Wallpaper not applicable | Background Limitation for the Topic Application | Allow autorun and background activity in Settings โ Applications โ Application Management โ Themes โ Battery |
| Wallpaper is reset after resetting | Cache failure com.android.themes | Clear cache and application data Topics in settings |
| Live wallpaper is slowing down | Conflict with Game Turbo or Ultra-Economic Mode | Disable Game Turbo in Settings or Add Wallpaper to Optimization Exceptions |
| Wallpaper is cut crooked | Wrong aspect ratio | Use images with a resolution of 2280ร1080 (19.5:9) or crop by hand in the Gallery |
If the wallpaper still does not change, try resetting the settings of the Topic:
- Go to Settings โ Applications โ Application Management โ Topics.
- Press Warehouse and clear Cash and Data.
- Reboot the phone.
- Repeat the wallpaper change.
๐ก
If the problem persists after all manipulations, check the integrity of system files through Settings. โ The phone. โ Updating the system โ Three points (โฎ) โ Checking for updates. Sometimes wallpaper bugs only get fixed after the last firmware is installed.
6.Alternative methods: third-party launchers and ADB
If the built-in MIUI tools donโt suit you, you can use third-party launchers (like Nova Launcher or Lawnchair) or even ADB commands for deep customization.
- ๐๏ธ Set up different wallpapers on each desktop.
- ๐ Apply animated wallpaper with support for a gyroscope (respond to the tilt of the phone).
- ๐ซ Bypassing restrictions MIUI fitting APK-wallpaper.
For changing wallpapers via ADB (only for power users!):
- Connect your phone to your PC and enable USB Debugging (Settings โ About Phone โ MIUI version โ tap 7 times, then Additional โ For developers โ USB debugging).
- Install ADB on your computer and execute the command:
adb shell cmd wallpaper set --file /sdcard/Download/your_wallpaper.jpgWhere /sdcard/Download/your_wallpaper.jpg โ path to your image.
For use with Nova Launcher:
- Install a launcher from Google Play.
- Press your finger on your desktop and select Wallpaper.
- Choose the source: Gallery, Google Wallpapers or Your Wallpaper.
- Apply settings including Scrolling Wallpaper (different backgrounds on each screen).
๐ก
If after installing a third-party launcher, MIUI wallpaper continues to appear on the lock screen, change them separately through Settings โ Lock screen โ Wallpaper.
7. Optimization of wallpaper for AMOLED-Xiaomi 9 screen
Xiaomi 9 is equipped AMOLED-It's a screen that has its own characteristics: black pixels don't consume energy, and bright colors (especially white) increase battery consumption:
- ๐ Use dark themes with a predominance of black.
- ๐จ Avoid gradients and bright transitions โ they create โnoiseโ on the screen.
- ๐ Turn off wallpaper animation in the settings MIUI, if it's not critical.
- ๐ Check the battery consumption in Settings โ Battery โ Use of the battery after changing wallpaper.
To create the perfect wallpaper under AMOLED:
- Use editors like Wallpaper Engine (PC) or Canva (mobile).
- Set the color profile sRGB (in Canva: Settings โ Color profile).
- Export the image to PNG with a resolution of 2280ร1080.
- Check the wallpaper for burn-in using a color uniformity test (Settings โ Screen โ Screen Check).
Unique information: on the Xiaomi 9 with MIUI 14+, there is a hidden AMOLED Optimization feature that automatically darkens the wallpaper to save energy. It turns on via the engineering menu (##36446337## โ AMOLED Settings), but beware - incorrect settings can cause the display to crash.