Xiaomi TVs are some of the most popular on the market for their combination of price, quality and functionality. However, like any smart appliance, they require regular firmware updates. New software versions fix bugs, add features (such as Dolby Vision or Google Assistant support), optimize performance and close security vulnerabilities. Without timely updates, your Mi TV or Redmi TV may run slower, lose compatibility with applications, or even become vulnerable to hacker attacks.
In this article, we will analyze all the current ways to update Xiaomi TVs - from automatic update over the Internet to manual firmware via USB or ADB. Particular attention will be paid to the nuances for different models (for example, Mi TV 4S, Mi TV Q1, Redmi Smart TV X) and common errors that can occur in the process. If you have never previously updated the firmware yourself - do not worry: our instructions are suitable even for beginners.
1.Renewal Preparation: What to Do Before You Start
Before you start upgrading, make sure all the prerequisites are met, which will help avoid crashes, data loss or even โbrickingโ the TV, especially for models with low storage (for example, the 8GB Mi TV 4A), where space shortages can interrupt the process.
Here are the minimum requirements for a secure upgrade:
- ๐ Stable power: connect the TV to the network through the original power supply. If you use an extension cord, make sure it doesn't turn off during the process.
- ๐ถ Internet connection: for air updates (OTA) The speed should be at least 5 Mbps for large firmware (1).+ GB) better use wired Ethernet connection.
- ๐พ Free space: the TV must have at least 1.5-2 GB of free space. โ Warehouse.
- โก Remote charge: If you use a remote with batteries, replace them with new ones. For models with Bluetooth remote (for example, Mi). TV Stick charge it to 100%.
We also recommend:
- ๐ Record the current settings: take a picture of the Settings section โ Sound/Image/Network to quickly restore them after update.
- ๐ Turn off automatic shutdown: in Settings โ Energy saving: Deactivate your sleep timer.
- ๐ก๏ธ Backup: If your TV has important data (such as saved passwords from Netflix or YouTube), use the Settings feature โ System system โ Backup.
โ ๏ธ Note: If your TV was purchased in China (models with a prefix) CN In the name, updating through global servers may block some features. In this case, use manual firmware from the official site for your region.
Method 1: Automatic Internet Update (OTA)
It's the easiest and most recommended method for most users. The TV itself finds, downloads and installs the latest firmware. Suitable for all Xiaomi models, including the Mi. TV 4/4S/4X/5/5X, Redmi TV Mi Box.
Instructions:
- Turn on the TV and connect to the internet.
- Open Settings (cog on the home screen or the Settings button on the remote).
- Go to About TV โ System Update (on some models, the path may differ: Settings โ System โ Software Update).
- Click Check Updates. The TV will contact Xiaomi servers and find the latest firmware.
- If the update is available, click Download and install. Wait until the process is completed (usually takes 10โ30 minutes).
- After installation, the TV will restart automatically.
If the update is not available, try:
- ๐ Reboot TV: sometimes helps to reset the cache of servers updates.
- ๐ Change region: C Settings โ Select India or Global (relevant to Chinese models).
- ๐ก Use it. VPN: If your region is blocked by Xiaomi servers, connect to the VPN with a location in Singapore or Hong Kong.
Check the Internet speed (minimum 5 Mbit / s)
Disable VPN/proxy (if used)
Close all running applications
Connect the TV to the network via cable (optional)
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โ ๏ธ Attention: On Mi models TV 4A mi TV 4C With 1GB of RAM, automatic updates can take up to 1 hour.Do not interrupt the process, even if the screen does not respond for a long time - this is normal.
Method 2: Manual update through USB-accumulator
If the automatic method does not work (for example, due to slow Internet or server lockdown), you can install firmware manually through the Internet. USB-This is also useful if you want to roll back on a previous version of software or install custom firmware (for example, LineageOS for the software). TV).
You'll need:
- ๐ฅ๏ธ Computer with Internet access.
- ๐ฝ USB-format-storage FAT32 (at least 4 GB).
- ๐ Official firmware for your model (you can download on the official website of Xiaomi).
Step-by-step:
- Download firmware: Go to Xiaomi Support page and select your model (e.g. Mi TV Q1 75).In the Files to download, find the latest version of the software (file with.zip extension). Unclick the file - there should be an update.zip file inside.
- Prepare the flash drive: Format it in FAT32 (use standard Windows tools or SD Formatter utility). Copy the update.zip file to the root directory of the flash drive (not in the folder!). Securely remove the drive.
- Update the TV: Insert the flash drive into USB-TV port (it is better to use the port) USB 2.0, If you have one, go to Settings. โ On TV. โ Updating the system โ Update through USB. Select a file update.zip You can confirm the installation. Wait until the process is complete (the TV will restart). 1โ2 once).
| Model TV set | Minimum version for manual update | The size of the firmware. |
|---|---|---|
| Mi TV 4A | 1.0.56 | ~800MB |
| Mi TV 4S | 2.1.7 | ~1.1 GB |
| Redmi Smart TV X | 3.0.12 | ~1.3 GB |
| Mi TV Q1/Q2 | 4.0.8 | ~1.5 GB |
What to do if the TV canโt see the flash drive?
If after the update, the TV hovers on the Xiaomi logo or cyclically reboots, reset to factory settings:
- Press the Menu + Volume Down buttons for 10 seconds at the same time.
- In the recovery menu, select Wipe data/factory reset (use volume buttons for navigation, OK for confirmation).
- After resetting, repeat the installation of the firmware.
Method 3: Update via ADB (for power users)
This method is suitable for advanced users who want to install a beta version of the software, roll back to old firmware or fix bugs after a failed update. Requires connecting the TV to the computer via ADB (Android Debug Bridge).
Importantly, the wrong ADB commands can cause your TV to fail completely, and only use this method if you are confident in your actions.
What you need:
- ๐ฅ๏ธ Computer with installed ADB Tools.
- ๐ Cable USB-A โ USB-A (or USB-C, depending on the television model).
- ๐ Firmware in.zip format (must support installation via sideload).
Instructions:
- Turn on USB debugging on your TV: Go to Settings โ About TV. Press 7 times on Software Version until you have a message You are a developer. Go back to Settings โ Additional โ Developer Settings. Activate USB Debugging and OEM Factory Unlock.
- Connect the TV to your computer: Use the USB port on the back of the TV (usually marked as Service or OTG). On your computer, open the command prompt (Win + R โ cmd) and check the connection with the command: adb devices should show your TV serial number.
- Install firmware: Place update.zip in the folder with ADB (e.g., C:\platform-tools). Follow the command: adb sideload update.zip Wait for installation to be completed (the progress indicator will appear on the TV screen).
1. reconnect the cable to another USB-port.
2. Install Google USB Driver (download on the Android Developers website).
3. Turn on the TV Debugging over the network (in the developer parameters) and connect to the IP via adb connect [IP-address].
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โ ๏ธ Note: On Xiaomi TVs with an Amlogic processor (e.g. Mi) TV 4A) after ADB-updates may be lost HDCP-The key, which will stop working Netflix and Disney+. An official service center will be required for restoration.
5. Frequent update errors and how to fix them
Even if you follow the instructions, you can have a problem, and let's look at the most common problems and their solutions.
| Mistake. | Possible cause | Decision |
|---|---|---|
| No update found (at OTA) | Xiaomi servers are not available or blocked by the provider. | Use a VPN or upgrade via USB. |
| TV hovers on logo after update | Incompatible firmware or interrupted process. | Reset with Recovery Mode (Menu + Volume Down buttons). |
| Insufficient memory (when upgrading via USB) | There is less than 1.5 GB of free space on the TV. | Remove unnecessary applications or perform a reset. |
| E:footer is wrong (E:footer is wrong) ADB) | A damaged firmware file or an incorrect command. | Download the firmware again and check the hash amount (MD5). |
If none of these methods worked, try:
- ๐ง Fastboot Recovery: Requires unlocking the bootloader and a special cable. 4PDA.
- ๐ Contact a service center: If the TV doesnโt turn on or if it produces critical errors (such as No command), self-repairing can make the problem worse.
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Before contacting the service, check the warranty - if the TV is guaranteed, a self-update via ADB or Fastboot can cancel it.
6. How to check firmware version and update history
To find out which version of the software is installed on your TV, and to track the history of updates, follow the following steps:
For Mi TV/Redmi TV models:
- Open the settings (cog on the main screen).
- Go to About TV.
- The software version will show the current firmware (for example, MIUI TV 2.1.7).
- Click on the Software Version 5 times and a hidden menu with update history will open.
For the Mi Box:
- Go to Settings โ Device โ About the device.
- The firmware version is listed in the Android TV version bar.
- To see the story, click on System Update.
If you need to compare your version to the latest one available, use the compatibility table:
| Model | The Last Stable Version (2026) | Release date |
|---|---|---|
| Mi TV 4A 32" | MIUI TV 1.4.29 | March 2026 |
| Mi TV 4S 55" | MIUI TV 2.3.15 | April 2026 |
| Redmi Smart TV X50 | MIUI TV 3.1.8 | May 2026 |
| Mi TV Q1 75" | Google TV 11 (MIUI TV 4.0.5) | June 2026 |
If your version is older than 6 months, we recommend updating โ new firmware often includes patches for security vulnerabilities (for example, Dirty Pipe in Android 10-12) and optimizations for streaming services (Netflix, Prime Video).
7. Whether to update the firmware: pros and cons
Software updates are not always a definitive solution. Consider the pros and cons:
Pros of the update:
- ๐ก๏ธ Security: Closing vulnerabilities that viruses or hackers can exploit (e.g., to steal data from connected IoT devices).
- ๐ฎ New features: Google Assistant, Dolby Atmos, support AV1 stream 8K.
- โก Performance: Optimizing Android TV, Reducing lags when switching channels or launching applications.
- ๐บ Compatibility: Support for new video formats (HDR10+, HLG) audio (DTS:X).
Cons of the update:
- ๐ข Slowdown: on older models (e.g. Mi) TV 3S 1GB of RAM โ New versions of the software may be slower due to increased requirements.
- ๐ Loss of features: sometimes updates remove useful features (for example, in Mi). TV 4 after the update missing Mi Home to manage a smart home).
- ๐ Bugs: Fresh firmware may contain errors (for example, problems with the HDMI-CEC orthose ARC).
- ๐ต Blocking services: on Chinese models after the update may disappear Google Play or YouTube.
If you are not sure if you need to update, check the reviews on a particular firmware version on forums (such as the official Xiaomi forum or 4PDA).
- ๐ Problems with sound (for example, the sound disappears through the sound) HDMI ARC).
- ๐ถ Frequent Wi-Fi or Bluetooth connection breaks.
- ๐ญ Artifacts on the screen when playing HDR-content.