How to Upgrade Xiaomi Mi TV TV 4S: All the ways (2026)

Xiaomi Mi TVs TV 4S Firmware updates are regularly received that improve performance, add new features and fix bugs, but the update process can raise questions — especially for users who are experiencing it for the first time. Unlike smartphones, where updates are often installed automatically, Xiaomi smart TVs sometimes require manual intervention.

In this article, we will discuss all the current ways to update Mi. TV 4S (including models 4S 32", 4S 43", 4S 50", 4S 55" and 4S 65), explain the nuances of each method and give recommendations on how to avoid typical errors, and you will learn what to do if the TV is getting stuck during the installation phase of the update or stopped turning on after a failed firmware.

1.Why it is important to update the firmware on Xiaomi Mi TV 4S

Firmware (or MIUI TV) — It's the operating system of the TV that controls all of its functions. Regular updates bring in:

• 🔄 Bug fix: fix Wi-Fi connection issues, interface freezes, or app bugs (such as Netflix or YouTube).
• 🎮 New features: support for new video formats (such as Dolby Vision), improved voice management via Google Assistant or Alice.
• 🛡️ Security: Closing vulnerabilities that attackers can exploit to access your local network.
• ⚡ Performance: Optimizing the Amlogic processor and reducing application load time.

For example, in the update MIUI TV 3.0 (2023) Support for the project HDMI 2.1 for Mi models TV 4S 55" and older, and Apple AirPlay's improved experience.If your TV is released before 2020, some new features may not be available due to hardware limitations - but even then, updates are critical to stability.

⚠️ Attention: If your Mi is yours TV 4S Purchased in China (model with suffix) CN in the title), updates via the Russian server may not be available, in which case you will need manual firmware through the USB.

2. How to check the current firmware version

Before you update your TV, make sure you do not have the latest version of the software installed.

1. Turn on the TV and press the Settings button on the remote.
2. Go to the Settings section → About TV (Settings) → About TV).
3. Find the lines of the version MIUI TV and Assembly number (e.g, MIUI TV 2.5.65 or V12.0.3.0.PFMCNXM).

Compare this information with the latest versions on Xiaomi's official website. Pay attention to the region - firmware for Mi TV 4S Europe (EEA), China (CN) Russia (RU) differ.

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If there is no version information in the About TV section, try pressing the Menu buttons. + Volume Down on the remote for 5 seconds at the same time – this will cause a service menu with detailed information.

3. Method 1: Automatic update via the Internet

It's the easiest and safest method that most users can use, and it requires:

• 🌐 A stable Internet connection (preferably via Ethernet cable, not Wi-Fi).
• ⚡ Remote charge not less than 30% (if using a remote with a battery).
• ⏳ Time – the process can take from 10 to 40 minutes depending on the speed of the Internet.

Instructions:

1. Open the Settings. → System system → Update (Settings) → System → Software Update).
2. Click Check for updates (Click for updates).
3. If a new version is available, click Download. Don't turn off the TV while you download it!
4. After downloading, select Install Now or Install Later.
5. The TV will reboot and install the update, and there will be a progress bar with percentages on the screen.

Connect the TV to the network via Ethernet cable

Close all running apps (Netflix, YouTube, etc.)

Make sure there is enough charge on the remote.

Turn off sleep timers in power settings

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⚠️ Note: If the TV shows an Error 1010 or Network Error error during the update, it means problems connecting to Xiaomi servers. DNS 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare) in network settings.

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Automatic Internet updates are the safest way to do so, but they require a stable connection to the network, and if the Internet speed is below 10 Mbps, the download may be interrupted.

Method 2: Update through USB-accumulator

This method will be useful if:

• 📶 No internet connection or speed is too low.
• 🔄 Automatic updates are an error (e.g. Error 2002).
• 🌍 Your TV with Chinese firmware (CN), You want to re-flash it to a global version.

To upgrade via USB, you will need:

• A flash drive. FAT32 (at least 4 GB).
• Firmware file from the official Xiaomi website (extension.zip).
• Computer for downloading and unpacking the file.

Step-by-step:

1. Download the firmware for your model from the official website. TV 4S 55" (L55M6-6ARU) select a tagged file RU (Russia) or EEA (Europe).
2. Unpack the.zip archive in the root of the flash drive. update.zip And not in a folder, but on the disk.
3. Put the flash drive in. USB-TV port (preferably to port) USB 2.0 if there are several).
4. Go to Settings → System → Software Update → Update via USB.
5. Select the update.zip file and confirm the installation.
6. Wait until the process is complete (the TV will restart several times).

5. Method 3: Manual firmware via Fastboot (for power users)

This method is required in extreme cases:

• 🔧 The TV will not turn on after an unsuccessful update ("brick").
• 🔄 You need to revert to the previous version of the firmware.
• 🌍 Requires a change of the firmware region (for example, with the CN on EEA).

To run through Fastboot, you will need:

• Computer with Windows 10/11.
• Cable USB-A — USB-A (PC-connector).
• Mi Flash Tool and Drivers ADB/Fastboot.
• The firmware file is in.tgz format (not.zip!).

Instructions:

1. Download the Mi Flash Tool from the official website and install drivers.
2. Unpack the firmware.tgz in a folder without Cyrillic characters.
3. Turn off the TV and press the Volume Down button. + Power on the case (not on the remote!) and connect the cable to the PC. TV should be defined as a Fastboot device.
4. In the Mi Flash Tool, select the firmware folder and click Flash.
5. Wait until it's finished (the process will take 5-15 minutes) and the TV will restart automatically.

⚠️ Attention: Fastboot resets all settings on the TV to factory settings, if you have saved your Mi Account or Netflix settings, you will have to reconfigure them, and you risk turning the TV into a brick if you choose the wrong firmware.

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Before you run through Fastboot, disable the antivirus and firewall on your computer – they can block the Mi Flash Tool utility.

6 How to solve problems after the update

Sometimes, after installing a new firmware, the TV doesn't work properly. Let's look at the typical problems and their solutions:

6.1 The TV will not turn on after the update

If the screen remains black after the update and the power indicator flashes red:

• Turn off the TV for 1 minute, then turn it on again.
• If it doesn’t work, press the Power button on the case for 15 seconds (hard reset).
• If the TV is still not turned on, you will need firmware via Fastboot (see section 5).

Interface freezes and brakes

After the update, the TV may slow down.

• Reset the cache: Settings → Annexes → Clear the cache.
• Disable animation: Settings → System system → For developers → Window animation (off.).
• Make reset to factory settings: Settings → System system → Reset.

No sound after the update

If the sound is gone,

• Check if it's disabled by the Mute button on the remote.
• Go to Settings. → Sound. → The output device and select TV Speaker.
• If you use a sound bar or receiver, check the cable. HDMI ARC or.

7. Where to download official firmware for Xiaomi Mi TV 4S

You should only download firmware from trusted sources to avoid viruses or corrupted files.

• 🌍 Xiaomi Global Website: mi.com/global/service/update (Choose a section TV).
• 🇷🇺 Xiaomi's Russian website: mi.com/ru/service/update (stamped RU).
• 📦 Forum 4PDA: mi-themed TV 4S Firmware mirrors are often laid out (but check hashes). MD5!).

When downloading, pay attention to:

• 📌 Television model: for example, L55M6-6ARU (55 inch, Russia).
• 📅 Firmware release date: fresh versions are released every 1-3 months.
• 🔠 Hash sum: compare MD5 downloaded file from official (if specified).

⚠️ Warning: Do not download firmware from torrent trackers or obscure sites. Fake files may contain malware that steals your network data or blocks your TV.

8. Frequently Asked Questions (FAQ)