Update firmware on the Xiaomi TV: 4 proven ways + mistake-making

Xiaomi TVs (Mi series) TV, Redmi Smart TV, Mi TV Q and others) run on Android TV And the proprietary PatchWall shell, which gets updates regularly, and new firmware versions bring not only bug fixes, but also support for new video formats (e.g., newer versions of the firmware, AV1 For streaming services, performance optimization, and even extra features like low latency game mode, but the upgrade process may not be as obvious as on smartphones — especially when it comes to manual firmware through a mobile phone. USB or recovery after a failed update.

In this article you will find the most relevant for 2026 ways to update the firmware for all models of Xiaomi TV, including older versions (e.g. Mi) TV 4A 2018 and new (e.g. Xiaomi) TV Q2 QLED). We'll take it:

• 🔄 Automatic updates over the Internet (the safest method)
• 💾 Hand-held firmware through USB (If the TV doesn’t see any updates)
• 🖥️ Update through ADB (power-user)
• 🛠️ Recovery after a failure (if the TV is not turned on)

You will also learn how to check the current version of the software, where to download official firmware and what to do if the update is “hang” by 0% or 99%.

1. How to check the current firmware version on Xiaomi TV

Before you start an update, make sure it’s really necessary. New versions of the software aren’t always stable – sometimes they can cause more problems than good (for example, bugs with sound in the firmware for Mi). TV 4S 2020 to find out the current version:

1. Turn on the TV and press the Settings button on the remote.
2. Go to the Settings section → About TV → Software version.
3. Take a picture or write down a line with the version (for example, MIUI TV 2.0.123.456).

Compare it to the latest version available on Xiaomi’s official website. Note that firmware for different regions (e.g. Global, China, India) may differ. Install a version not for your region is not recommended, this can lead to problems with services (e.g. Netflix or YouTube).

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If the menu does not have the option "Version of the Software", try to press the Menu buttons sequentially. → Settings → All Settings → Device Preferences → About → Build Number. On some models (e.g. Redmi Smart) TV X50) path may differ.

Method 1: Automatic update via the Internet (recommended)

It's the easiest and safest method, and it's suitable for 90 percent of users, and the TV downloads and installs the firmware itself, saving all the settings and applications.

• 🌐 Requires a stable connection to Wi-Fi (at least 5 Mbps).
• ⚡ The TV must be plugged into the socket (do not run on the battery if it is a portable model).
• ⏳ The process can take anywhere from 10 to 40 minutes depending on the size of the update.

Instructions:

1. Open Settings → About TV → Update system.
2. Click Check for updates.
3. If the update is available, confirm the download and wait until it is completed.
4. After downloading the TV will offer to install the firmware - agree and do not turn it off before restarting.

If the update is not available, possible reasons:

• 🔌 Internet connection problems (try reconnecting to the router).
• 📅 Xiaomi servers are temporarily unavailable (wait a few hours).
• 🚫 Your model is no longer supported (relevant to the Mi) TV 3 and older).

3. Method 2: Hand-held firmware through USB (If the automatic update does not work)

This method will be useful if:

• 🔍 TV doesn’t see updates via the internet.
• 🔄 You want to revert to the previous version of the software.
• 🛠️ Restore the TV after a failure (for example, after a failed automatic update).

For firmware through USB You'll need it:

• 💽 A flash drive. FAT32 (at least 4 GB).
• 🖥️ Computer for downloading firmware.
• 📄 Official firmware file (with the extension.zip or.pkg).

Format the flash drive into FAT32 (not exFAT!)

Download the firmware from the official Xiaomi website

Unpack the archive (if the file is.zip)

Place the firmware file in the root of the flash drive (not in the folder!)

Disable the flash drive safely (via "Remove the device")-->

Step-by-step:

1. Download the firmware for your model from the official website: 📌 The exact name of the model (e.g., Mi) TV 4S 55" or "Redmi Smart" TV X65). 🌍 Region (select Global if you are not sure). 🔢 Version of the SO (e.g, V12.0.4.0).

Unpack the archive (if the file is.zip) and copy the firmware file (usually with a name). update.zip or mi_tv_update.pkg) to the root of the flash drive (not to the folder!).

Put the flash drive in. USB-TV port (preferably to port) USB 2.0 if there are several).

On the TV, go to Settings → About TV → System Update → Update via USB.

Select a firmware file and confirm the installation. The TV will restart and start the process (it can take up to 20 minutes).

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Never remove the flash drive or turn off the TV while you are firmware! interrupting the process can result in a "brick" (completely inoperable) device.

Method 3: Update via ADB (for power users)

The Android Debug Bridge (ADB) method is suitable if:

• 🔧 You want to install custom firmware (for example, LineageOS for the TV).
• 🔄 I need to roll back the version of the software, but through USB It's impossible.
• 🛠️ You need to debug the TV (for example, for app developers).

⚠️ Attention: this method requires command line skills, misconduct can lead to a loss of warranty or failure of the TV, only use it if you understand the risks!

What you need:

• 💻 Computer with installed ADB and Fastboot.
• 🔌 Cable USB-A → USB-A (or USB-C → USB-A, depending on the TV model).
• 📄 Firmware file in.zip format (for installation via sideload).

Instructions:

1. Turn on the TV debugging mode on USB: Settings → On TV. → POS version → Click 7 times on "Settings" Settings → Additionally. → For developers → Debugging by USB (insert)
2. Connect the TV to your computer with a cable and check the connection: adb devices If the device is displayed (for example, 123456789abcdef device, you can continue.
3. Install firmware via sideload: adb sideload update.zip The process will take 5–15 Don't turn off the cable!

If you have adb: failed to read command, try:

• 🔄 Reconnect the cable.
• 🔌 Use the other USB-computer-port.
• 🔄 Restart the TV and computer.

5. Method 4: Firmware recovery after a failure (if the TV is not turned on)

If after a failed update, the TV:

• 🖥️ Not included (black screen, no indication).
• 🔄 It hangs on the Mi or Android logo TV.
• ⚠️ Write No Command or Error Booting.

So, in most cases, the device can be restored through Recovery mode.

Instructions for remediation:

1. Turn off the TV (remove the power cord for 30 seconds).
2. Insert the flash drive with firmware (as in Method 2) in USB-port.
3. Holding the Volume button (volume reduction) on the TV body, connect the power.
4. Hold the button until the recovery menu appears (usually 10-15 seconds later).
5. In the menu, select Apply update from USB and specify the firmware file.
6. Wait until the TV is finished (the TV will restart automatically).

If the recovery menu does not appear:

• 🔌 Try another one. USB-port.
• 🔄 Hold the Volume combination - + Power (power button).
• 📌 For some models (e.g., Mi) TV 4X) We need to hold Volume. +.

6. firmware compatibility table for popular Xiaomi models TV

Below are the 2026 versions of the firmware for popular models, and make sure you download the file for your TV, and installing firmware from another model will lead to a blink!

🔍 How to find a firmware for your model?

1. Go to the support page of Xiaomi.
2. Enter the exact TV model (specified on the box or in the Settings menu) → On TV).
3. Download the file marked Full ROM (Full firmware) or Incremental (update over the current version).

7. Frequent errors in updating the firmware and their solutions

Even if you follow the instructions, you can have problems.

⚠️ Warning: if after the update the TV began to brake or overheat, reset to factory settings:

1. Settings → About TV → Resetting settings.
2. Choose Delete all data (this will delete apps and accounts!).
3. After restarting, reset the TV.

8. How to roll back firmware to the previous version

Sometimes new versions of software contain critical bugs (for example, problems with the software). HDMI-CEC mi TV Q1 post-update MIUI TV In such cases, the old firmware may be returned, but with reservations:

• 🔙 Recoiling is possible only through USB or ADB.
• 🔒 Some models block downgrade (for example, Xiaomi) TV A2 Google TV).
• ⚠️ Risk of losing data (applications, settings).

Instructions for rollback:

1. Download the desired firmware version from the firmware archive (choose Stable, not Beta).
2. Prepare the flash drive as in Method 2.
3. Install firmware through the Update USB or ADB sideload.
4. If you have an Error 2 or Error 3 error, you're blocked: 🔧 Install firmware via Fastboot (requires unlocking the bootloader). 📧 Contact Xiaomi to provide a special version for rollback.

⚠️ Note: after rollback, some features may stop working (for example, Google Assistant or Chromecast in old firmware). There is also a risk of download loops (endless restart). If this happens, repeat the installation of firmware or contact the service.

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Before rolling back the firmware, back up important data (such as a list of channels or image settings) – after a downgrade, they can be reset.

FAQ: Answers to Frequent Questions