What is the application "Interface" on Xiaomi: analysis MIUI and hidden possibilities

If you recently became the owner of a Xiaomi smartphone, you probably noticed in the list of applications a strange item called “Interface” (or System). UI This item is not deleted, not updated through the Play Market, but it takes up space in memory and sometimes even hangs in the Task Manager. What is it, why is it necessary and can it be disabled? Spoiler: without this application, your Redmi or POCO It just won't work.

In fact, the “interface” is not a separate program, but a system component. MIUI, It's a graphics tool that's responsible for displaying all the graphics, the notification bar, the multitasking menu, the transition animations, even the wallpaper, and it's basically an Android shell that Xiaomi has been deeply redesigned to suit its needs:

• 🔹 What is it? MIUI How it differs from “pure” Android;
• 🔹 Why does the interface take up so much memory and can it be optimized;
• 🔹 Hidden functions MIUI, Which you didn't know about (including Game Turbo and Second Space);
• 🔹 How to Update or Reset the Interface if It Starts to Glitch.

It's important to understand that without this component, your smartphone won't function properly, but that doesn't mean you can't work with it, but Xiaomi has a lot of customization tools to offer.

MIUI Android: Why Xiaomi’s interface is so unusual

Unlike Google Pixel or Samsung with their One shells. UI, Xiaomi is using its own firmware — MIUI (Mi User Interface. It's not just a cosmetic change, it's a complete redesign of Android with unique chips:

• 📱 No app panel (all desktop icons, like iOS);
• 🔄 Deep integration with Xiaomi services (cloud, smart home, Mi Account);
• 🎨 Themes and styles that change the design of the system beyond recognition;
• 🔒 Additional security features (e.g. App Lock or Permission Monitor).

That’s why you see the “Interface” item in the list of applications – this is the core. MIUI. Without it, the smartphone will simply show a black screen after downloading, but there is a caveat: in the latest versions, the smartphone will show a black screen after downloading. MIUI (starting MIUI 12) The interface is broken down into several modules, some of which can be disabled, such as MiuiSystemUIPlugin for weather widgets and MiuiHome for desktop.

⚠️ Warning: If you see a high-battery com.miui.home process in Task Manager, don't be in a hurry to stop it. MIUI If you're using a smartphone, but if you're using a CPU that's over 30 percent standby, you should check your phone for viruses.

Fun fact: Xiaomi regularly updates MIUI For example, your Redmi Note 11 can run on Android 12, but it can also have a MIUI 14 -- and that's OK. UI updates come through Settings. → The phone. → Updating the system.

Why the Interface Takes So Much Memory and How to Optimize It

Many users complain that the system application "Interface" takes from 500 MB to 1.5 GB of memory. MIUI includes:

• 🖼️ Built-in themes (even if you don’t use them);
• 🎮 Gaming accelerators (Game Turbo);
• 📊 Use Analytics (for recommendations in Mi Browser);
• 🔄 Backup copies of settings (automatically created when updating).

It is not possible to remove this package, but you can reduce its weight:

1. Go to Settings → Applications → Application Management;
2. Find the Interface (or System) UI);
3. Click on “Clear Cache” (not data!)
4. Disable unnecessary functions in Settings → Additionally. → Special facilities → Optimization MIUI.

If the memory still takes up too much, try turning off automatic downloading of the themes:

Settings → Wallpaper → Themes → ⚙️ Settings → Autoload themes (off)

⚠️ Some Play Market “optimizers” promise to “clean up” MIUI» — The system files of the interface are protected, and their deletion will lead to a "brick" of the phone (completely inoperable).

Hidden MIUI features you didn’t know about

MIUI It hides a lot of useful tools that are not obvious at first glance:

One of the most useful features is the Ultra Battery Saver mode, which turns off all background processes except calls and calls. SMS, And it can extend the life of the phone to 3 to 5 days on a single charge:

Settings → Battery and performance → Ultra-low consumption mode

Another little-known possibility is hidden gestures. MIUI possible:

• 👆 Swipe down the lock screen - the flashlight will turn on;
• 👇 Swipe up with two fingers and the camera will open;
• ➡️ Swipe right on the desktop – there will be a panel of widgets.

How to update the interface if it is glitchy

If the Interface has started to slow down, fly out, or show errors, there are several ways to bring it back to life:

1. Program reset (retains data):

1. Go to Settings → About the phone → System update;
2. Click on the three dots in the top right corner and select “Update Package” MIUI»;
3. If there are no updates, download the latest version. MIUI for your model from the official Xiaomi website and install manually through Select firmware file.

2. data cleanup (without loss of files):

Settings → Applications → Application Management → Interface → Storage → Clear data

⚠️ After that, the themes, wallpaper and widgets will be reset, but photos and messages will remain.

3. Hard reset (if nothing helps):

• 🔄 Turn off the phone;
• 🔘 Press the power button. + Loudness up before the appearance of the Mi logo;
• 📱 In the recovery menu, select Wipe Data. → Wipe All Data;
• 🔄 Reset the device.

⚠️ Note: If after the update MIUI It's stopped turning on (hang on the logo), don't panic. Wait 10-15 minutes -- sometimes the first download after the update takes a long time. If it doesn't work, try going to Fastboot. + Volume down) and stream the device through the Mi Flash Tool.

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Before the update MIUI Check if your model supports the new version, for example, the Redmi Note 8 Pro will not get HyperOS (MIUI 15) because it has an outdated processor.

How to change the interface Xiaomi for yourself

MIUI It offers a lot of customization options, from simple wallpaper to a complete change in icon style:

1. Set a third-party theme:

1. Open the “Themes” on the desktop;
2. Go to the "Online" section;
3. Choose your favorite theme (such as iOS Style or Dark Mode Pro).
4. Press "Apply."

2. Set up notification panels:

• 📱 Go to Settings. → Notification panel and controls;
• 🔄 Here we can:

3. Change fonts and animations:

Settings → Screen → Font (select from the list or download yours)


Settings → Additional → System animations (can be accelerated or disabled)

If you don’t like the standard MiuiHome launcher, you can replace it with a third-party launcher (like Nova Launcher or Lawnchair). MIUI (Quick Ball or gestures may not work properly.

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MIUI It allows you to change even system sounds. → Sounds and vibrations → System sounds and select a tune to lock, alert or alarm.

Frequent Xiaomi interface problems and their solutions

Even new Xiaomi smartphones sometimes have bugs with the interface, and here are the most common ways to fix them:

If none of these methods worked, try rolling back the update. MIUI. For that:

1. Download the old firmware version from the Xiaomi website;
2. Rename the file to update.zip;
3. Place it in the root folder of the phone;
4. Go to Settings. → The phone. → Updating the system → ⋮ → Select a firmware file.

⚠️ The rollback is possible only within one version of Android. MIUI 14 on MIUI 13 is possible, but with Android 13 on Android 12 – no.

The future of Xiaomi interface: what is HyperOS

In 2023, Xiaomi announced a new operating system – HyperOS, which should replace the new system. MIUI. This is not just a shell update, but a full-fledged reworking of the Android kernel with an emphasis on the development of the Android core:

• ⚡ Performance (optimization for multitasking);
• 🔒 Security (isolation of applications at the kernel level);
• 🤖 AI features (automatic battery and network optimization);
• 🌐 Cross-platform (synchronization with laptops, smartwatches and even Xiaomi electric cars).

The first smartphones with HyperOS (the same as the same one) MIUI 15) are already on the market, but most devices will get the update gradually. Check whether your model supports the new system, you can visit the official website in the HyperOS section.

The main changes that users will notice:

• 🎨 New design is more minimalistic, with an emphasis on transparency and smooth animations;
• 🔄 Improved multitasking – apps won’t close when switching;
• 📱 Support for foldable smartphones (e.g. Xiaomi) MIX Fold 3);
• 🔋 New energy saving regimes that adapt to your habits.

If you want to try HyperOS before the official release, you can install the beta version through the Mi Pilot program. But keep in mind that the beta can contain critical bugs, including problems with the camera or mobile network.

FAQ: Answers to Frequent Questions About Xiaomi Interface