Update video box on the TV Xiaomi: all the ways and nuances

Xiaomi’s video box (or TV box) is not just a console, but a full-fledged Android TV-based media center that handles video processing, app launches, and even smart home management. Over time, its firmware becomes obsolete, with bugs appearing, work slowing down, and new video formats (such as AV1 or Dolby Vision 4K@120Hz) may not play at all. Updating the video box solves these problems, but many users face difficulties from not not not notifying new versions to errors in manual installation.

In this article, we will analyze all the current methods of updating - from automatic via the Internet to manual through the Internet. USB or ADB. Particular attention will be paid to typical errors (for example, Error 7 or getting stuck on the Mi logo). TV) You will also learn how to check the firmware compatibility with your TV model and what to do if the sound is lost or not working after the upgrade. HDMI-port.

Important: the upgrade procedure on Xiaomi TVs is different from the usual smartphones. There is no recovery fashion, and the wrong actions can lead to a “brick” of the device (complete failure).

1. How to check the current version of the video box firmware

Before you update, you need to understand which version of the firmware is installed now, which will help determine whether your system is relevant and which firmware to download.

To get a version of the software:

1. Turn on the TV and press the Settings button on the remote.
2. Go to Settings → About TV → The version of the software.
3. Write down or take a picture of the line with the version. It usually looks like this: MIUI TV 3.0.1234 (stable) or Android 11 (RK3328).

Pay attention to two key parameters:

• 📌 Version. MIUI TV — This is a shell from Xiaomi (for example, 3.0.1234).
• 🤖 Android version – system base (for example, Android 9 or Android 11).

If your version is older than 6-12 months, it is definitely worth updating, for example, for models 2022-2023, the current at the time of writing (2026) is MIUI TV 4.0+ based on Android 11/12.

2. Automatic update via the Internet

The easiest and safest way to upgrade is through the built-in system, and it's good if:

• 🌐 You have a stable Internet connection (preferably via Ethernet cable).
• 🔄 The TV has not been heavily modified (no root rights or custom firmware).
• 📥 Free memory of at least 1 GB (check Settings) → Warehouse).

Step-by-step:

1. Open Settings → About TV → Update system.
2. Click Check Updates. If there is an update, the Download button will appear.
3. Wait for the download (can take 5 to 30 minutes depending on the speed of the Internet).
4. After downloading, the TV will suggest installing the update. Confirm and wait for the restart.

The installation process will take about 10 to 15 minutes, and the TV will reboot several times, which is normal, and don't turn off the power or press the buttons on the remote during the upgrade.

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If the update does not download for a long time, try connecting the TV to the Internet via cable instead of Wi-Fi. This will speed up the process and reduce the risk of communication breakdown.

⚠️ Note: If after the update the TV stuck on the logo Mi TV for more than 20 minutes, do not try to turn it off with the power button. + Power on the remote for 10 seconds for forced reboot.

3. Manual update through USB-accumulator

If the automatic update doesn’t work (for example, due to a No updates available error or slow internet), you can manually install the firmware via a flash drive.This method is also useful if you want to roll back on the previous version.

You'll need:

• 💾 USB-storage device (preferably) FAT32, up to 32 GB).
• 🖥️ Computer for downloading firmware.
• 🔗 Official firmware for your model (you can download it on the Xiaomi Support website).

Instructions:

1. Download the firmware for your model (the file will be.zip). Don't unpack the archive!
2. Copy the file to a flash drive and rename it to update.zip (important!).
3. Put the flash drive in. USB-TV port (preferably to port) USB 2.0 if there are several).
4. Go to Settings → About TV → System Update → Update via USB.
5. Select the update.zip file and confirm the installation.

The TV will start the upgrade process, and it will take about 15 to 20 minutes, and when it's done, it will reboot automatically.

Download the firmware from the official website Xiaomi|

Check the TV model in the settings |

Format the flash drive in FAT32|

Rename the firmware file to update.zip|

Turn off all unnecessary USB-TV-device

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⚠️ Note: If you choose a file update.zip Error error appears 7, It means that the firmware is not suitable for your model, check that the downloaded file is correct and try again. Do not try to install firmware from another model, this will cause the TV to fail!

Update via ADB (for power users)

method ADB (Android Debug Bridge is suitable for advanced users who want to install firmware without USB-It requires a computer and basic command line knowledge.

What needs to be done:

1. Turn on USB debugging mode on your TV: Go to Settings → About TV. Find the Build Number line and click on it 7 times in a row until you get a message You became a developer. Go back to Settings → Additional → For developers and turn on USB debugging.

USB 3.0

ADB Tools

cmd

Terminal

adb devices


adb sideload path to file/update.zip

The installation process will start automatically. Wait for the TV to be completed and restarted.

Important: if the TV is not detected in ADB (team `adb devices` Shows an empty list, try using another one. USB-cable or port, and check if debugging is enabled USB TV-setting.

5. Typical errors and their solutions

When updating a video box on Xiaomi, users often encounter errors. Let's consider the most common and ways to fix them.

If the TV doesn’t turn on or is constantly restarted after the update, try:

1. Turn off power for 1 minute (remove the plug from the socket).
2. Hold the Power button on your TV for 15 seconds to reset.
3. If it doesn’t work, do recovery through ADB (see section 4).

6. How to roll back firmware to the previous version

If you have a bug after the update (for example, the interface is slowing down or applications are not working), you can return the old firmware version.

1. Download the desired firmware version from the official Xiaomi website (section "Firmware Archive").
2. Rename the file to update.zip and copy it to the flash drive.
3. Connect the flash drive to the TV and update via USB (see Section 3).

Important: rollback is possible only within one major version of Android, for example, from Android 11 to Android 10 you can roll back, and Android 9 – not (this will lead to an error Error 6).

⚠️ Warning: Before rolling back, back up your settings and data (if possible).Some apps (e.g. Netflix or Disney)+) You may need to re-authorize.

7. Compatibility of firmware with Xiaomi models

Not all firmware is suitable for all Xiaomi TVs, and below is the compatibility table for current models (2020-2026) with MIUI TV versions.

If your model is not listed in the table, check compatibility on the official Xiaomi website by entering the serial number of the TV (located on the box or in Settings → About TV).

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Xiaomi TV firmware is not universal! Installing firmware from another model (even if it is visually similar) will cause the device to fail.

8. Frequently Asked Questions (FAQ)