How the wallpaper carousel works in Xiaomi smartphones: the mechanism of change, settings and problem solving

The function of automatic wallpaper change (or "carousel wallpaper") in Xiaomi, Redmi and smartphones POCO — one of the most controversial pieces of the brand shell MIUI. Some people love it for the fresh look of the screen every day, and some people hate it for the unpredictability and "disappearance" of the backgrounds they like. But how exactly does this mechanism work? Where does the system take pictures, what rules it picks them up and can you influence it?

In this article, we'll take a look at the technical side of the wallpaper carousel, from image selection algorithms to hidden folders where files are stored, and how to manage this feature so that it works the way you want it to. MIUI 14 and newer logic of changing wallpaper has changed - this too we will tell.

If you’ve ever wondered why your Xiaomi 13 Ultra suddenly showed a picture of the desert on the lock screen instead of the usual urban landscape, welcome. Here you will find answers to all the questions, including those that you don’t even have time to formulate.

What is a wallpaper carousel in MIUI and why you need it

The wallpaper carousel is a function in MIUI, It automatically changes the background images on the lock screen, desktop, or both, depending on the firmware version and the smartphone model, the logic may be slightly different, but the essence remains the same: The system picks up pictures from predefined sources and changes them according to a schedule or event.

Originally, the feature was part of Xiaomi’s ecosystem for visual diversity, with marketers claiming that changing the wallpaper once a day reduces psychological fatigue from the interface’s monotony by 40% (Xiaomi’s internal 2021 study), but in practice, users often find that the feature works too aggressively – for example, replacing wallpapers that you installed manually.

The main tasks of the carousel:

• 🎨 Visual diversity – so that the interface is not boring;
• 📱 Promotion of Xiaomi services – some wallpapers are tied to thematic events (for example, the release of the new Redmi Note 13);
• 🌍 Content localization – different sets of images are shown in different regions;
• 🔄 Automatic Adaptation – Wallpaper can change depending on the time of day or weather (in new versions) MIUI).

Interesting fact: in POCO F5 Xiaomi 12T The wallpaper carousel is disabled by default, while in the Redmi Note 12 Pro+ It's activated right after you set it up, and it's due to different promotion strategies for different product lines.

Where do wallpapers for carousels come from: sources and algorithms

System system MIUI It doesn't just randomly pick up pictures from the Internet, it has clear sources and even a certain logic by which the wallpaper gets rotated, and we'll look at where the images come from and how they're sorted.

The main sources of wallpaper for the carousel:

1. Local collections are preset sets of wallpaper that are stored in the memory of the smartphone: 📁 Basic - abstract patterns, gradients, minimalistic drawings; 🌄 Thematic – landscapes, cities, natural motifs (for example, the collection “Winter Species” appears in December); 🎭 Special – wallpaper tied to specific models (for example, for Xiaomi) MIX Fold 3 has unique backgrounds with flexible screen).
2. Cloud wallpapers — downloaded from Xiaomi servers on request: 🌐 Regional – in Russia and Europe, some wallpapers are shown, in India and China – others; 📅 Seasonal - in summer bright colors prevail, in winter - cold tones; 🎉 Events – for holidays (New Year, March 8) or releases of new devices.

Custom wallpaper

Topics

The algorithm for choosing wallpaper works on the following principle:

1. The system checks whether automatic change in settings is allowed.
2. Identifies priority sources (first local, then cloud)
3. Filters wallpaper to your smartphone screen resolution (for example, for Xiaomi) 13 Pro with permission 3200×1440 High quality images will be provided);
4. Takes into account the time of day (dark wallpaper in the evening, bright in the afternoon) and geolocation (in some regions local attractions are shown);
5. Randomly selects wallpaper from a filtered pool, avoiding repetitions for a week.

Important: MIUI 14 and newer, the algorithm is smarter, and it's now analyzing which wallpaper you haven't changed by hand for the longest time, and it's trying not to show it to the carousel, but it's not perfect -- sometimes the system gets it wrong and replaces even the backgrounds you clearly prefer.

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If you don’t like carousel wallpaper, but you don’t want to disable the function completely – add your favorite pictures to the folder. MIUI/Wallpaper/Carousel (You can create it manually if you don't. The system will show them in rotation more often.

Where the wallpaper carousels are stored: paths to files and hidden folders

If you want to manually control the wallpaper of the carousel — for example, remove hateful pictures or add your own — you need to know where exactly they are stored. MIUI There are several key folders responsible for background images.

Main paths to wallpaper:

To open these folders, you’ll need a file manager with access to root directories (like MiXplorer or Solid Explorer).

If the folders MIUI/Wallpaper/Carousel No, you can create it manually. Then add your.jpg or.png wallpapers to your screen resolution, and the system automatically picks them up and starts showing them in rotation (you may need to restart them).

⚠️ Note: Do not delete files from the folder /system/media/theme/default_wallpapers It can cause themes and wallpaper to crash, and if you don't like standard wallpaper, you better turn it off in the carousel settings.

How to turn off or set up a wallpaper carousel

If you're annoyed by automatic wallpaper changes, you can turn it off completely or customize it to suit yourself. MIUI The path to settings may be slightly different, but the overall logic remains the same.

Carousel shutdown:

1. Go to Settings. → Wallpaper;
2. Select the Lock Screen or the Desktop (depending on where you want to turn off the shift);
3. Add more (or more in older versions)
4. Find the option Automatic wallpaper change and turn off the slider;
5. Confirm the action by choosing Save.

Customization of the carousel (change of sources and frequency of change):

• 🔄 Change frequency: you can choose the interval - once per hour, day, week or manually;
• 📂 Wallpaper sources: turn on/off local, cloud or custom wallpaper;
• 🌙 Dark theme: in new versions MIUI You can tie the wallpaper change to the inclusion of the dark mode;
• 🔒 Blocking your favorite wallpaper: in MIUI 14+ You can fix your favorite backgrounds so that they do not change.

In some cases, the scaling (for example, POCO X5 Pro) carousel option hidden deeper:

1. Open the themes (the icon on the desktop);
2. Go to Wallpaper. → My wallpaper;
3. Slip on three points in the upper right corner and select Wallpaper Settings;
4. Here you can turn off the Automan or change its parameters.

1. Open "Settings" → "Wallpaper"

2. Select "lock screen" or "desktop"

Press "Additional" → "Automatic shift"

4. Turn off the slider

5. Save the changes-->

If the wallpaper changes after the carousel is turned off, check if you have a third-party background change app (such as Wallpaper Carousel or Muzei) and also because of the theme update, some themes from the Theme Store have a built-in wallpaper rotation feature.

Why the wallpaper from the carousel disappears and how to fix it

One of the most common problems is that the wallpaper disappears from the carousel, and users often complain that the system suddenly stops showing their favorite backgrounds or resets everything, and we'll figure out why and how to put it back in place.

The main reasons for the disappearance of wallpaper:

• 🗑️ Cache Clearing – If You Clean Memory Through Settings → Memory, may have been removed by the loaded wallpaper;
• 🔄 Update MIUI — after major updates (for example, with MIUI 13 on MIUI 14) some settings are reset;
• 📱 Factory reset is obvious, but sometimes users forget that it deletes all user data;
• ☁️ Cloud problems – if the wallpaper was synced to Mi Account, but sync was disabled;
• 🛠️ Errors in the work of "Tem" - the application com.android.themes sometimes crashes and resets settings.

How to recover the missing wallpaper:

1. Check the folder. MIUI/Wallpaper/Carousel — Maybe the files are there, but the system can't see them;
2. Update the Themes app via the Play Market or App Store (if you have one in your area);
3. Reset wallpaper settings: Settings → Annexes → Application management → Topics → Warehouse → Clear the data ⚠️ This will remove all custom wallpapers, but will return the standard wallpapers;
4. Reinstall theme – if the wallpaper was part of the theme, go to the Theme Store, find it and click Apply again;
5. Restore from backup – if you had sync enabled with Mi Cloud, try recovering data from the cloud.

⚠️ Note: If you use custom firmware (such as LineageOS or Pixel Experience), the wallpaper carousel may not work properly or at all. MIUI or use third-party applications to change wallpaper.

If the wallpaper is gone regularly, check if the option is included in the battery settings, sometimes the system aggressively clears the cache, including the wallpaper, to fix this:

1. Go to Settings. → Battery and productivity;
2. Select Memory Optimization;
3. Add the Topics app to the list of exceptions.

Hidden chips of wallpaper carousels in MIUI

Few people know, but in the carousel wallpaper MIUI There are a few hidden features that you can use to make it more flexible, some of which are undocumented, but they work on most devices.

Secret possibilities:

• 🔍 Preview of all wallpaper carousel: Open Settings → Wallpaper; Select Lock Screen or Desktop; Hold your finger on the current wallpaper – a miniature gallery of all available backgrounds will appear; Scroll left/right to see all options.
• 📌 Wallpaper fixing (only) MIUI 14+): In the preview gallery (see paragraph above) find your favorite background; tap on the pin icon in the lower right corner; this background will show more often than others.

Color adaptation

• In some themes, the wallpaper automatically adjusts to the accent color of the system;
• To make it work, include it in the settings. → Display. → Color scheme option Automatic accent color.

Time-of-day reference

• V MIUI 14 and later you can customize different wallpaper for morning / day / evening / night;
• To do this, in the carousel settings, select Time Mode and assign wallpaper for each interval.

Another little-known feature is changing the wallpaper by gesture, on some models (e.g. Xiaomi). 12S Ultra) you can set up a double tap on the lock screen to switch to the next background from the carousel:

1. Go to Settings. → Lock screen;
2. Choose Gestures;
3. Activate the option Double touch to change the wallpaper.

If you POCO Redmi with a lightweight version MIUI (for example, MIUI Lite, some of these features may not be available, in which case you can try installing the full firmware version via Fastboot or using Xiaomi. EU ROM, where all the features are available.

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V MIUI 14+ You have a smart wallpaper feature that analyzes your preferences and selects backgrounds based on the colors you often use in apps. → Wallpaper. → Personalize and activate the option Adaptive Wallpaper.

How to Add Your Wallpaper to a Carousel (Manual and Automatic)

If you're tired of standard wallpaper and you don't like cloud wallpaper, you can add your own images to the rotation, and there are a number of ways to do that, depending on whether you want to do it manually or automate the process.

Manual method (via Carousel folder):

1. Connect your smartphone to your PC or open a file manager;
2. Go to the file. /storage/emulated/0/MIUI/Wallpaper/;
3. If there is no Carousel folder, create it.
4. Copy your wallpaper in.jpg or.png format (preferably with your screen resolution);
5. Reboot your smartphone.

After that, your wallpaper will start to appear in the carousel, and if it does not, check if the option is turned on Custom Wallpaper in the automatic change settings.

Automatic method (through the "Themes" app):

1. Open the Topic app;
2. Go to the Wallpaper section.
3. Put it on my wallpaper. → Add;
4. Select pictures from the gallery or download new ones.
5. Once added, they will automatically enter the carousel pool (if the feature is enabled).

Through third-party applications:

If you need more control over the carousel, you can use third-party utilities, such as:

• 📱 Wallpaper Changer – allows you to set your own rules for changing wallpaper;

To make these apps work correctly, disable the standard carousel in the settings MIUI.

If you want your wallpaper to never disappear from the carousel, back it up to the cloud (like Google Drive or Mi Cloud) and set up automatic recovery via Settings. → Memory. → Backup.

Carousel wallpaper on different models Xiaomi: features and limitations

The logic of the wallpaper carousel may differ depending on the smartphone model, version MIUI And even the firmware region, and let's look at the nuances of the different devices.

Model comparison:

On devices with MIUI For the global market (e.g. Xiaomi 13 Global), the carousel is more stable than on Chinese firmware versions, where cloud wallpaper bugs are common. 12S), For normal operation of the carousel may be necessary:

1. Install the Google Services Framework (if not);
2. Manually update the Topic Application through APK;
3. Disable regional restrictions in Settings → Additionally. → Region.

On foldable smartphones (for example, Xiaomi) MIX Fold 3) wallpaper carousel works separately for the exterior and interior screen, settings for each display are configured independently.

⚠️ Attention: On devices with MIUI Lite (e.g. Redmi) 10A or POCO C50) The wallpaper carousel can be completely turned off at the firmware level, in which case the only way to get the backgrounds automatically changed is to install the full version. MIUI or use third-party applications.

FAQ: Frequent questions about wallpaper carousel in Xiaomi