Xiaomi Mi TV 4X remains a popular choice among users, combining affordable price, high-quality picture and functionality based on Android TV. However, many owners face confusion: which version of Android is installed on their model, whether it can be updated, and how to do this without the risk of “bricking” the device. In this article, we will understand what firmware supports Mi TV 4X (including modifications 43, 50, 55” and 65”), how to check the current version of the OS, and what to do if the update is stuck or caused errors.
It’s important to understand that Xiaomi has produced several generations of TVs under the 4X brand, and the Android version can vary significantly depending on the year of production. For example, the 2018-2019 models often came with Android 8.1 (Oreo), while later versions (2020-2021) received Android 9.0 (Pie) or even Android 10. While official support for updates for older models has already been discontinued, but there are ways to install custom firmware – this will also be discussed below.
If you are planning to buy a used Mi TV 4X or are already experiencing lags and errors, this article will help you understand the nuances of firmware and choose the best way to upgrade the device.
What version of Android is on Xiaomi Mi TV 4X: understand the models
The Mi TV 4X lineup includes several modifications, Released in different years. Android version depends on the model and the region of sale. Below is a table with the current data for 2026:
| Model | Year of release | Original version of Android | The latest official firmware | Support for updates |
|---|---|---|---|---|
| Mi TV 4X 43" (L43M5-5AIN) | 2018 | Android 8.1 (Oreo) | Android 9.0 (Pie) | ❌ Stopped. |
| Mi TV 4X 50" (L50M5-5AIN) | 2019 | Android 9.0 (Pie) | Android 10 | ❌ Stopped. |
| Mi TV 4X 55" (L55M5-5XIN) | 2020 | Android 9.0 (Pie) | Android 10 | ⚠️ Partial (critical patches only) |
| Mi TV 4X 65" (L65M5-5XIN) | 2020–2021 | Android 10 | Android 10 | ⚠️ Limited. |
Note that even if your model is marked as “Android 10-enabled,” it doesn’t guarantee that all the features of the latest OS versions are available. For example, Google Play Services may not work properly on older firmware, and some apps (such as Disney+ or Netflix in 4K) require more recent versions of Android.
To know exactly the Android version on your Mi TV 4X, follow these steps:
- Turn on the TV and go to Settings (the gear icon in the upper right corner).
- Select the About TV section (or About in English firmware).
- Scroll down to the Android version or Android version.
If the menu does not contain the item “About TV”, try the alternative way: Settings → Device → Software information.
Can I upgrade Android to Xiaomi Mi TV 4X to the latest version?
The short answer is: officially no, but there are workarounds. Xiaomi has stopped releasing global updates for most 4X models after 2021.
- 🔄 Automatic updates through Settings → The update will no longer offer new versions of Android.
- 📦 Manual update through USB possible, but only within supported firmware (for example, Android 8.1 to 9.0).
- 🛠️ To install Android 11+ You will need custom firmware (for example, LineageOS or AOSP), risk-taking.
If your TV is released before 2020, the chances of an official upgrade to Android 11 or 12 are zero, but there are a few legal ways to improve performance:
⚠️ Warning: Installing unofficial firmware can result in loss of warranty, inoperability of some features (such as Google Assistant or Chromecast) and even a device “brick”.Be sure to have a backup of data and access to the original firmware before experimenting.
Alternatives:
- 📺 Use external devices: Android TV-Boxes (e.g. Xiaomi Mi Box S or Nvidia Shield) with the latest version of Android.
- 🖥️ Connect the TV to the PC via HDMI And use it as a monitor for modern applications.
- 🔧 Optimize your current firmware: disable unnecessary services, clear cache, use lightweight launchers (for example, ATV Launcher).
What happens if you install a custom firmware?
How to update the firmware on Xiaomi Mi TV 4X: step-by-step instructions
If your model still supports official updates, follow the notifications in the Settings menu. → Software update: If automatic update is not available, you can install firmware manually through USB-This is the storage device:
Download official firmware from Xiaomi (Support section)|Format flash drive in FAT32|Copy firmware file (.zip extension) to the root of the flash drive |Disconnect the TV from the network before connecting USB|Do not remove the flash drive until the process is complete
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Step 1. Download the correct firmware
The official firmware for the Mi TV 4X is available on Xiaomi Support. Make sure you choose a file for the exact model of your TV (e.g. L55M5-5XIN for the 55-inch version).
Step 2. Prepare. USB-accumulator
- 💾 Use a USB flash drive of no more than 32 GB (preferably 8-16 GB).
- 🔄 Format it in FAT32 (not exFAT or NTFS!).
- 📁 Copy the firmware file (.zip) to the root of the flash drive (not to the folder!).
Step 3. Install the firmware
- Turn off the TV and insert the flash drive into the USB 2.0 port (usually located on the side).
- On the remote, simultaneously press the Menu + Volume Down buttons and hold for 5-10 seconds until the recovery menu appears.
- From the menu, select Apply update from USB (or similar).
- Confirm the installation and wait until the end (the TV will restart several times).
It can take 10 to 20 minutes, and in no case do not turn the TV off the socket during the upgrade, this will damage the system files.
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If the TV can’t see the flash drive, try another one. USB-port or format the drive again using Rufus (select partition scheme) MBR).
What to do if the update is stuck or an error is made
Mistakes when updating the Mi TV 4X are not uncommon, and here are the most common problems and solutions:
| Mistake. | Possible cause | Decision |
|---|---|---|
| Update failed (Error 7) | Inappropriate firmware for the model | Download the correct firmware version (check the model in Settings → About TV) |
| The TV will not turn on after the update | Damage to the loader | Perform reset via Menu + Volume Down → Wipe data/factory reset |
| Hanging on the Mi logo | Incomplete firmware installation | Repeat the update process or install firmware through ADB Sideload |
| No command in the recovery menu | Incorrect combination of buttons | Try Menu + Volume Up or connect the keyboard over USB |
If the TV stopped responding to the remote after a failed update, try:
- Disconnect it from the network for 1-2 minutes, then turn it on again.
- Connect USB-Select Reboot System Now from the Reboot Menu.
- Reset your settings via the service menu (this will require an ADB or special cable).
⚠️ Note: If the sound or image is missing after the update, check the settings. HDMI-CEC And digital audio output to the TV menu, often resetting to factory settings solves the problem, but removes all installed applications.
Xiaomi Mi TV 4X: Risks and Opportunities
If the official updates are no longer coming out and you need features from new Android versions, you might want to consider installing custom firmware.The most popular options for the Mi TV 4X are:
- 📱 LineageOS: lightweight and stable firmware, but without support for Widevine L1 (no 4K streaming).
- 🛡️ AOSP: "Android is clean, but requires manual configuration DRM and remote.
- 🔧 OpenGApps: Google’s custom firmware service package (installed separately).
The installation process shall include:
- Unlock the bootloader (requires a Xiaomi account and waiting for permissions).
- Installation of custom recavery (TWRP).
- Firmware via ADB Sideload or from a flash drive.
For detailed instructions and firmware files, see the 4PDA or XDA Developers forums (e.g., the Mi TV 4X (L55M5) themes).
⚠️ Note: Xiaomi TV firmware often contains bugs related to: HDMI-Ports (devices may not be identified). - Wi-Fi/Bluetooth (connection falls off). - DRM (no support 4K HDR Netflix, Prime Video. Before installing, check user reviews with your model!
If you are not sure about your skills, it is best to give up experimentation and consider buying an external Android. TV-boxing.
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Custom firmware is only suitable for advanced users, and for most tasks, optimizing the current system or connecting an external device will be enough.
How to improve the performance of Xiaomi Mi TV 4X without updating Android
If the update is not possible and the TV is slowing down, try these optimization methods:
- 🧹 Cache Clearing: Go to Settings → Apps, select each app and click Clear Cache.
- 🗑️ Remove Unnecessary Apps: Remove Pre-installed Games and Services ADB (for example, pm uninstall -k --user 0 com.xiaomi.gamecenter).
- 🔄 Reset to factory settings: Restore the "clean" system, but delete all data. → The device → Resetting settings.
- 🎯 Use of light launcher: Install ATV Launcher or HalLauncher from Google Play to speed up the interface.
It is also necessary to disable unnecessary functions:
Settings → Device → Energy Saving → Disable “Automatic Application Update”
Settings → Network → Disable “Diagnostics of the network”If the TV is too warm, check the vents on the back – dust can block cooling.