MIUI Xiaomi Redmi 9A: Everything you need to know about Xiaomi’s shell

If you own Xiaomi Redmi, 9A Or if you are planning to buy it, you may have encountered the term. MIUI. This acronym is often found in the descriptions of the brand’s smartphones, but not all users understand what it means and how it affects the operation of the device. MIUI on the Redmi 9A, How it differs from standard Android, what pros and cons this shell has, and also give practical tips for setting up, updating and solving typical problems.

MIUI (Pronounced "Mai Yu-Ai"), it's a Xiaomi-branded shell that is installed on top of the Android operating system. It changes the look of the interface, adds unique features and optimizes the smartphone for the needs of the company. 9A supplied MIUI «Out of the box, and the version of this shell, many aspects of the user experience depend on it, from icon design to camera capabilities to power management. MIUI — This is not just a “design theme”, but a full-fledged add-on over Android, which can both simplify life and create additional difficulties for beginners.

In this article, we're not going to limit ourselves to theory. You'll learn how to test the version. MIUI on his Redmi 9A, How to update it to the latest version (including manually), what settings should be changed immediately after purchase, and what to do if the shell starts to “glutch”. MIUI with other popular shells (for example, ColorOS from Oppo or One) UI Samsung and we will tell you if you can use Redmi 9A Install a clean Android or alternative firmware. If you want to make the most of your smartphone, read on!

What is it? MIUI And why do you need it on Redmi? 9A

MIUI — This is an acronym for Mi User Interface, which was developed in 2010, when Xiaomi was just entering the smartphone market. MIUI It was created as a customized version of Android, which was supposed to offer users more features than the standard system from Google. MIUI It is installed on all Xiaomi, Redmi and POCO, including the Redmi budget model 9A.

Main objectives MIUI on the Redmi 9A:

• 🎨 Improved visual design: unique icons, animations, themes and fonts that are not found in standard Android.
• ⚡ Optimizing productivity: MIUI Adapted to work on the budget "iron" Redmi 9A (MediaTek Helio processor G25, 2 GB of RAM to make the smartphone work smoother.
• 🔧 Additional features: for example, the “Second Space” mode (to separate personal and work data), “Game Turbo” mode, or the built-in ad blocker.
• 🔒 Enhanced security: in MIUI have proprietary data protection tools such as “Security Scanner” or “Application Protection».
• 🌍 Localization for different regions: MIUI adapted to the linguistic and cultural characteristics of users in Russia, India, Europe and other countries.

However, MIUI For example, some users complain about excessive advertising in system applications (especially in budget models such as Redmi). 9A), As well as delays with updates – Xiaomi does not always quickly release new versions MIUI In addition, the shell consumes additional resources, which can affect battery life.

It is important to note that MIUI on the Redmi 9A — It's not just a wrapper over Android, it's a deep integration with the system:

• 📱 Settings menu – many items have been moved or renamed compared to “pure” Android.
• 🔄 Multitasking is its own background process management algorithm that may conflict with some applications.
• 📸 Camera appendix - in MIUI It has advanced settings (for example, manual mode or AI-scenes that are not in the standard Google Camera.
• 🔋 Battery management – its energy saving profiles that can aggressively limit the background activity of applications.

What version? MIUI mounted on the Redmi 9A And how to check it out.

Xiaomi Redmi 9A It was released in 2020 and originally came with MIUI 12 is based on Android 10. However, since then, several major updates have been released, and at the time of 2026, the current version for this model is the current version of the model. MIUI 14 (with a switch to Android 12 or Android 13, depending on the region).It is important to understand that Redmi 9A It is a budget segment, so it will not receive new versions. MIUI After Android 14 is released, if it ever happens).

To find out which version MIUI installed on your Redmi 9A, Follow the following steps:

1. Open the Settings app (the gear icon on the home screen).
2. Scroll down and select About Phone.
3. Click on Version. MIUI — This will include the current firmware number (for example, MIUI Global 14.0.2.0 (SJQMIXM)).
4. To find out the Android version, click on the Android version in the same menu.

Decoding of the designations in the version of MIUI:

If you have a version MIUI obsolete (e.g., obsolete, MIUI 12 with relevance MIUI 14), it is recommended to upgrade, it will improve performance, security and add new features. 9A 2 GB of RAM latest versions MIUI They may be slower due to increased resource requirements.

💡

Before the update MIUI Check the space on your phone – you need at least 2-3 GB of storage to install the new version. If there is not enough space, transfer the photos and videos to a memory card or computer.

Differences MIUI From pure Android: pros and cons for Redmi 9A

MIUI It’s very different from pure Android (like Google Pixel), and these differences are especially noticeable on budget models like Redmi. 9A. Let’s look at the main pros and cons of the shell for this model.

Advantages MIUI on the Redmi 9A:

• 🎯 Optimization for weak iron: MIUI It is better adapted for the Helio processor. G25 And 2GB of RAM than standard Android, for example, there's a light version mode in the shell that turns off unnecessary animations and speeds up work.
• 🔧 Advanced settings: in MIUI You can fine-tune almost everything from sensor sensitivity to notification behavior. → Additional settings where you can enable gestures for screenshots or screen recording without root rights.
• 📱 Built-in utilities: in MIUI There are some useful system applications that are not available in pure Android: Security -- virus scanner, garbage cleanup, spam blocking. Themes -- thousands of free themes for interface design. Screen recording is a built-in tool without having to install third-party programs.
• 🔋 Energy conservation: MIUI It aggressively optimizes battery consumption, which is critical for Redmi. 9A with a battery of 5000 mAh. For example, there is a mode "Super energy saving", which turns off background activity and extends the operating time to 2-3 days.

Deficiencies MIUI on the Redmi 9A:

• 📢 Advertising in system applications: In budget models, Xiaomi often embeds ads in the Browser, Downloads, Security and even Settings. You can turn it off, but you have to dig into hidden menus.
• 🐢 Slowing down over time: After a year of use MIUI on the Redmi 9A It can start to "brake" due to the accumulation of cache and background activity of system processes.
• 🔄 Delays with updates: Redmi 9A It is a budget segment, so new versions are available. MIUI It's a late-to-delivery (or not-at all) model, and Android 13 didn't arrive until 2023.
• 🚫 Restrictions for Developers: MIUI It blocks some features for third-party apps, such as YouTube background music playback or instant messenger autostarts.

Compared MIUI With other shells, it beats ColorOS (from Oppo) in functionality, but loses to One. UI (Samsung, for stability, for example, Redmi. 9A s MIUI There may be Bluetooth bugs or GPS, Which is Samsung Galaxy with One UI They're less common, MIUI It offers more customization options that advanced users like.

How to update MIUI on the Redmi 9A: step-by-step

Update MIUI on the Redmi 9A You can do it in two ways: automatically (via the Internet) or manually (via a firmware file). The first is easier, but it doesn't always work if you have an older version. The second requires more action but gives you more control over the process.

Method 1: Automatic updates via the Internet

Charge your phone at least 50%

Connect to a stable Wi-Fi network

Free up at least 3GB of memory

Close all background applications

-->

1. Open the Settings. → The phone.
2. Click on System Update.
3. If a new version is available, click Download (file size is usually 1.5-2.5GB).
4. After download, click Set and wait for the reboot (it will take 5-10 minutes).

Method 2: Manual installation via Recovery

This method is needed if the automatic update doesn’t work or you want to install a specific version. MIUI (European instead of European instead of European).

1. Download the official firmware for Redmi 9A site MIUI Downloads (select the Redmi model) 9A and the Global or EEA).
2. Rename the file to update.zip and transfer it to the root of the phone’s internal memory (not to folders!).
3. Open System Update, click on the three dots in the upper right corner and select Select the firmware file.
4. Show the way to update.zip The phone will reboot to Recovery mode and install the update.

⚠️ Note: If you install firmware for another region (e.g. European instead of global), you may experience problems with the language, Google services or mobile network!

After updating MIUI recommended:

• 🔄 Reboot your phone again (sometimes the new settings are not immediately applied).
• 🧹 Clear the cache in Settings → Memory. → Cleanup.
• 🔒 Check permissions for applications in Settings → Privacy (update may reset some settings).

💡

After the update MIUI on the Redmi 9A Bugs appear (for example, the camera or Wi-Fi does not work), try resetting to factory settings in Settings → Additionally. → Recovery and discharge.

Typical problems with MIUI on the Redmi 9A And how to solve them.

MIUI on the Redmi 9A It's not without bugs, especially if you've been using it for a long time or if you've got an informal firmware installed.

1. MIUI slows down or often resets

This is a problem for budget smartphones with 2GB of RAM.

• 🗑️ Completed memory (less than 1 GB of free space).
• 🧹 Accumulated cache of system applications.
• 🔄 Conflict after update MIUI.

Decisions:

• Clear the cache: Settings → Memory. → Cleanup → Deep cleaning.
• Turn off animations: Settings → Special facilities → Additional settings → Remove animations.
• Enable "Easy Mode": Settings → Additionally. → Easy regime.
• If nothing helps, reset to factory settings (don’t forget to save data!).

2. mobile internet or Wi-Fi is not working.

After updating MIUI The network settings may be lost:

• 📶 Correctness of settings APN: Settings → SIM-maps and mobile networks → Access points (APN). For Russian operators, it is usually enough to choose an automatic setting.
• 🔄 Reboot your router and phone.
• 🔧 Reset network settings: Settings → Additionally. → Recovery and discharge → Resetting network settings.

3. The battery goes down fast.

MIUI It's known for aggressive battery optimization, but sometimes it works against the user:

• 🔋 Enable “Super Energy Saving”: Settings → Battery and productivity → Battery mode → Super energy saving.
• 🚫 Limit background activity for unnecessary apps: Settings → Annexes → Application management → Auto-start.
• 📵 Turn off device search and background sync: Settings → Accounts and synchronization.

4.Notifications from applications are working

MIUI Blocks notifications from some applications by default:

• 🔔 Check the notification settings: Settings → Notifications → Management of notifications.
• 🔕 Turn off "Do Not Disturb" in the notification curtain.
• 🔄 Reinstall the problem app.

⚠️ Note: If after the update MIUI on the Redmi 9A Banking applications (e.g. Sberbank or Tinkoff) have stopped working, check your Security settings, App Protection mode may have turned on, which blocks access to the camera or geolocation. → Confidentiality → Special permits.

Is it possible to Redmi? 9A install a clean Android or other firmware

Many Redmi users 9A unhappy MIUI Because of advertising, brakes or restrictions, and want to install a clean Android (like LineageOS) or an alternative firmware:

1. Install custom firmware (for example, LineageOS)

This will require:

• 🔓 Unlock the bootloader through the official Xiaomi website (the process takes up to 7 days).
• 📥 Install custom recovery (TWRP).
• 🖥️ Sending alternative firmware through fastboot or TWRP.

⚠️ Attention: Installation of custom firmware on Redmi 9A It can cancel warranty, cause data loss or build up the phone (if something goes wrong), and not all features can work properly (e.g., a camera or fingerprint sensor).

2. Establishing a global or European MIUI Chinese

If you have a Chinese version of Redmi 9A (With firmware for the Chinese market, you can flash the global MIUI without unlocking the bootloader, but you need a firmware file with the right region:

1. Download the official global firmware for Redmi 9A (dandelion model code from Xiaomi Firmware Updater.
2. Rename the file to update.zip And put it in the root of memory.
3. Update through Settings → Updating the system → Select a firmware file.

3.Using a launcher to simulate pure Android

If you don't like the design MIUI, But you don't want to risk firmware, you can install an alternative launcher (like Nova Launcher or Lawnchair) that will change the look of the interface, but it won't affect the system functions.

❌ What you can't do on Redmi 9A:

• 🚫 Install firmware from other models (for example, from Redmi) 9C), Even if they're on the same processor, it'll make the phone inoperable.
• 🔧 Use informal tools to unlock the bootloader (e.g, MTK Xiaomi may block the device for this.
• 🔄 Reverse to an older version MIUI without a complete reset (this will cause errors in the system).

💡

On the Redmi. 9A There is no official support for Google Camera (GCam), but some users manage to port modified versions.

Hidden functions MIUI on the Redmi 9A, which you didn't know

MIUI on the Redmi 9A It hides a lot of useful features that are not obvious at first glance:

1.Second Space Mode

It allows you to create a second independent profile with your apps, contacts and settings, useful if you want to separate work and personal data.

Settings → Special Opportunities → Second Space

2. Recording of conversations

MIUI can automatically record phone calls (where permitted by law:

Settings → Annexes → Calls. → Recording of conversations

3.Gestural screenshots

You can take a screenshot by swiping three fingers down the screen.

Settings → Additionally. → Buttons and gestures → Screenshot by gesture

4. Reading mode

It filters blue light and makes the screen more comfortable for the eyes, and you can set the automatic switching schedule.

Settings → Screen → Reading Mode

5. The hidden settings of the developer

To enable the Developer Mode (for fine-tuning the system), go to:

Settings → The phone. → Version. MIUI

Click on Version. MIUI 7 times in a row until the notification “You became a developer!” appears. → There will be a paragraph for developers.

6. Blocking Advertising in Applications

MIUI It has an ad blocker built in, but it's disabled by default:

Settings → Annexes → Application management → Settings (cogs) → Show recommendations (disable)

7. Quick access to the curtain calculator

If you swipe down the notification curtain and click on the Calculator icon, a mini calculator will open right on top of any application.

8. Hiding applications

You can hide apps from the menu so they don't show up on the home screen.

1. Open the Settings → Applications.
2. Select the desired application and click Hide.
3. To return it back, enter the name of the application in the search by settings.

⚠️ Attention: Some hidden functions MIUI (For example, Developer Mode or Second Space may conflict with banking applications. If Sberbank or Tinkoff stop working after they are turned on, disable these features or add banking applications to the Settings exceptions. → Confidentiality → Special permits.

FAQ: Frequent questions about MIUI Xiaomi Redmi 9A