How to Upgrade Xiaomi TV to the Latest MIUI TV: All Ways + Problem Solving

Updating the firmware on Xiaomi TV is not just a way to get new features, but also a necessary measure to fix bugs, improve performance and protect against vulnerabilities. The latest versions of MIUI TV bring optimizations to work with 4K HDR, improved voice management through Google Assistant, and support for new streaming services. However, the update process can raise questions about how to check the current version, which method to choose (over the air, via USB or manually), and what to do if the TV hangs during the installation phase.

In this article, we will discuss all the current upgrades for Mi TV 4/5, Mi TV A2/P1/Q2, Redmi Smart TV and others, including the rare cases when standard methods do not work. Particular attention will be paid to compatibility issues (for example, why Mi TV Stick updates differently) and hidden settings for forced checks for updates that are not written in the official instructions. If your TV after the update started to brake or lost sound, at the end of the article there is a section with solutions.

1. How to check the current version of MIUI TV on Xiaomi

Before you upgrade, make sure your firmware is really out of date.The latest versions of MIUI TV are released monthly, but not all models get them at the same time.For example, the Mi TV Q2 75" can get an update a week earlier than the Redmi Smart TV X50.

To get a version of the software:

1. Take the remote and press the Settings button.
2. Go to Settings → About TV → MIUI TV version.
3. Write down the build number (e.g. MIUI TV 3.0.1234).

Compare it with the latest versions on the official Xiaomi Update website. If your version is older by 2-3 builds, it is recommended to update. Note: some updates come first for Chinese firmware and then for global (Global ROM).

Method 1: Automatic Air Update (OTA)

The easiest and safest method is Internet Update (OTA), and the TV will download and install the firmware itself if it's available for your model, but there are some nuances:

• 📶 A stable connection to Wi-Fi (or Ethernet) is mandatory, and when the connection is cut, the TV can "blink".
• 🔋 Remote charging: If the battery sits down during the upgrade, the process will interrupt.
• ⏳ Time: on models with 2 GB of RAM (for example, Mi) TV 4A) Downloading can take up to 30 minutes.

Instructions:

1. Connect the TV to the network.
2. Open Settings → About TV → Update system.
3. Click Check for updates.
4. If the update is found, confirm the installation and wait for the restart.

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If the “Check Updates” button is inactive, try resetting the cache: go to Settings → Apps → All Apps → System Update → Clear the cache.

⚠️ Attention: On some firmware (MIUI TV 2.x) After the update, you reset your Dolby Vision and Game Mode settings. Write down your preferences in advance or take screenshots of the menu.

Method 2: Update via USB (for power users)

If OTA doesn’t work (for example, because of a Xiaomi server failure or an operator blocking updates), you can manually install firmware via a flash drive.This method is also useful if you want to roll back to the old version or flash custom firmware (for example, LineageOS for TV).

You'll need:

• 🖥️ Computer with Internet access.
• 💾 USB-storage device (formatted in FAT32, up to 32 GB).
• 🔗 Firmware for your model (you can download it on Xiaomi Firmware Updater).

Step-by-step:

1. Download the firmware and rename it to update.zip (important! without spaces).
2. Connect the flash drive to the TV (USB 2.0 port is preferred).
3. Go to Settings → About TV → System Update → Update via USB.
4. Select the update.zip file and confirm the installation.

🔹 Important: Don't take the flash drive out or turn off the TV until it's fully restarted (may take up to 10 minutes) and the progress bar with percentages will be displayed on the screen.

Method 3: Update through ADB (for advanced)

The method is Android Debug Bridge (ADB) It is suitable if the standard methods do not work, or you want to flash the beta version. MIUI TV. Requires a PC with installed Xiaomi drivers ADB/Fastboot Tools.

Warnings:

⚠️ Attention: Wrong commands ADB This method is recommended only if you have previously worked with ADB Android devices. For Mi models. TV Stick and Mi Box process different - see section 6.

Instructions:

1. Turn on USB Debugging on your TV: Settings → About TV → MIUI TV version (click 7 times on the line with the version until the message “You became a developer” appears). Then go to Settings → Additional → For Developers → Debugging on USB.
2. Connect your TV to your PC via USB (use USB 3.0 port for stability).
3. Open the command line on the PC and type:

adb devices

(The device must be displayed with the serial number.)

adb sideload update.zip

(Where update.zip is the downloaded firmware in the folder with ADB.)

It takes 5-15 minutes, and when it's done, the TV will reboot automatically.

💡

ADB-The method allows you to flash the firmware even if the TV is not turned on (provided that the Fastboot mode is running).

5. Compatibility table: which models support certain upgrade methods

Not all Xiaomi TVs support all upgrade methods, for example, Mi TV Stick cannot be flashed via USB, and Redmi Smart TV X55 may not work with ADB.

6. Features of the update for Mi TV Stick and Mi Box

Mi TV Stick and Mi Box S are different from full-size TVs. There is no USB Update menu, and OTA sometimes comes with a delay. If your device has hung on the logo after the upgrade, try:

• 🔌 Hard reset: Hold the Reset button on the case for 10 seconds (for the Mi Box S, the button next to the port) HDMI).
• 🖥️ Firmware via PC: use the Mi Box Tool utility (download on the computer) XDA Developers).
• 📡 Compulsory inspection OTA: Go to Settings. → About the device → Update and click Check Now 3 times in a row.

⚠️ Attention: On Mi TV Stick after updating to MIUI TV 4.x Some may be missing support. IPTV-Players like Lazyman, in which case the rollback will help. 3.0.XX through ADB.

7 Solving problems after the update

Even a successful update can cause failures, and here are the most common problems and solutions:

If the Google Play Store disappeared after the update, it means that the firmware has switched to the Chinese version of MIUI TV. To return the global firmware, you will have to flash through ADB with a complete data reset.

8. Frequently Asked Questions (FAQ)