Xiaomiโs 43-inch TVs have become one of the most popular home theater solutions thanks to a combination of affordable pricing, modern technology and integration with the Mi Home ecosystem. 4K HDR, Dolby Vision and Google Built-in TV. In this article, we will analyze not only the basic functions, but also the hidden features that the manufacturer does not mention.
Feature of Mi models TV 4S/4A/4C 43" โ Android-based hybrid firmware TV branded MIUI for TV. This gives you access to millions of apps from Google Play, but it also creates unique update and compatibility issues, such as many users who experience a freeze after an upgrade or no sound when connecting via a mobile phone. HDMI ARC. We will tell you how to avoid this.
It is important to understand: Xiaomi TV 43" is not just a screen, but a full-fledged media center with an Amlogic processor (depending on the model), up to 2 GB of RAM and 8-16 GB of internal storage. TV 9โ11, which limits support for some modern codecs (e.g, AV1). This and other nuances, more.
How to determine the exact model of your Xiaomi TV 43"
Before setting up, you need to accurately identify the modification of the TV, as the available features and upgrade methods depend on it. The following 43-inch models are available in Xiaomiโs lineup:
- ๐บ Mi TV 4S 43" (2018-2019) - budget version with Full resolution HD, processor T962 and 1GB of RAM. Supports HDR10, But without Dolby Vision.
- ๐ฌ Mi TV 4A 43" (2020) - improved version of the 4K UHD, 2GB of RAM and Dolby Audio support. equipped with port HDMI 2.1 (but only on one connector!).
- ๐ฅ๏ธ Mi TV 4C 43" (2021-2022) - flagship model with Android TV 11, by the Amlogic processor. S905X3 Google Assistant support on board.
- ๐ Redmi Smart TV X43 (2021 โ A simplified version for Asian markets with PatchWall instead of Google TV.
To find out the exact model:
- Turn on the TV and go to Settings โ About TV.
- Write the value in the "Model" line (for example, L43M6-6ARU for Mi TV 4A).
- Check the sticker on the back โ it shows the serial number and model code (for example, the model code, MDZ-43-XA).
If your TV is released before 2020, note: some features (e.g. automatic mode switching) HDR) They may not be available due to hardware limitations, and only third-party firmware will help (this is discussed in the section on updates).
Initial setting: from connection to account login
After unpacking and mounting the TV on a wall or stand, start with a basic setup. There are a few critical points that Xiaomi doesn't cover in the official manual.
First, don't connect the TV to the Internet immediately after you turn on.
โ๏ธ Preparation for the first setup
Now you can connect to the network. Use Wi-Fi 5 GHz for stable operation - at 2.4 GHz, there may be delays when streaming 4K. If your TV canโt see your network:
- ๐ Restart router and TV.
- ๐ถ Check if your router supports the standard 802.11ac (Required for 2021 models+ year-end).
- ๐ Connect via Ethernet cable โ this guarantees maximum speed.
When you log in to a Google or Xiaomi account, you may have a "No Internet connection" error, even if the network is working.
- Go back to the network selection menu.
- Select your network again and enter your password.
- If it doesnโt help, reset your network settings in Settings. โ Network and Internet โ Additionally. โ Resetting network settings.
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If you have Mi. TV 4C Android TV 11, after logging into your Google account, wait for full sync (up to 10 minutes) โ otherwise apps from the Play Market may not be installed.
Updating the firmware: official and alternative methods
Firmware on Xiaomi TV 43" updates automatically, but only if the TV is connected to the Internet and is in standby mode for at least 4 hours:
- ๐ Regional restrictions (firmware for Russia and Europe are released later than for China).
- ๐ Bug in the update service (often found on models 2019-2020 years).
- ๐ฆ Lack of memory (update requires up to 1 GB of free space).
To force the firmware update:
- Go to Settings โ About TV โ System Update.
- Click "Update Checker." If nothing is found, use an alternative method.
- Download the latest firmware for your model from the official Xiaomi Support website (choose the version for your region!).
- Copy the file. update.zip by flash drive (formatted in FAT32) And put it in. USB-television-port.
- In the update menu, select โLocal Updateโ and follow the instructions.
What to do if the update is suspended?
For Mi models TV 4A/4C Custom firmware based on LineageOS or CoreELEC is available, which add support AV1, They improve performance and remove ads, but installing them gives you no warranty and can cause some features to fail (e.g. Google Assistant).
| Model | The Last Official Firmware (2026) | Support for Dolby Vision | Max, permission from Netflix |
|---|---|---|---|
| Mi TV 4S 43" | V12.0.4.0.QMFCNXM | โ No. | Full HD |
| Mi TV 4A 43" | V13.0.5.0.QMFCNXM | โ Yes (with an update) | 4K HDR |
| Mi TV 4C 43" | V14.0.2.0.TMFCNXM | โ Yes. | 4K Dolby Vision |
| Redmi Smart TV X43 | V12.1.3.0.RMFCNXM | โ No. | Full HD |
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Before upgrading your firmware, turn off all peripherals (configures, sound bars) and use the original power cable, which will reduce the risk of failure.
Image optimization: settings for movies, games and TV
Factory screen settings on Xiaomi TV 43's are far from ideal - often overblown and colours look unnatural.
To watch movies in 4K HDR:
- Go to Settings. โ Display and sound โ Image mode โ Customized.
- Install: ๐ก๏ธ Color temperature: Warm (6500K) ๐ Brightness: 45-50% (for darkened rooms) ๐จ Contrast: 90% ๐ Gamma: 2.2
"Local blackout."
For PlayStation 5 or Xbox Series X games:
- ๐ฎ Turn on Game Mode in the screen settings (reduces input latency to 10-15 ms).
- ๐ Set the permit for 3840ร2160 upon 60 Hz (on the console menu).
- โก Turn off all post-processing (Motion Clear) โ they add lag.
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If there is a movement blur in the games, try turning on Motion. Estimation/Motion Compensation (MEMC) It's going to add artificial frames, but it's going to make the picture smoother.
For the TV broadcast (DVB-T2):
- Connect the antenna to the connector. RF IN.
- Run automatic channel search in Settings โ Channels โ Search engine.
- If the channels are not located, manually specify the multiplex frequencies for your region (they can be found on the RTRS website).
โ ๏ธ Attention: On Mi models TV 4S when connected through HDMI Automatic change of color space can be observed (c) RGB This results in pale colors. To fix, go to Settings. โ HDMI โ Color format and select "RGB".
Connecting external devices: sound, consoles, PC
Xiaomi TV 43" fitted 3 port HDMI (model 2021+ For years, one of them has been HDMI 2.1), optically S/PDIF, plug-in 3.5 mm for headphones and two USB 2.0. However, not all connectors work equally well.
To connect the sound panel or receiver:
- ๐ Use it. HDMI ARC (marking-port "ARC") To transmit sound without delay, activate settings in the TV settings โ Sound. โ HDMI ARC โ On..
- ๐ต If the sound is late, turn off the sound processing in the settings of the TV (Settings) โ Sound. โ Effects. โ Off.).
- ๐ For old receivers, an optical cable is suitable (S/PDIF), But it doesn't support Dolby Atmos.
To connect PlayStation, Xbox or Apple TV:
- Use the port. HDMI 2.1 (usually HDMI 3), If your device supports you 4K@120Hz or VRR.
- In the settings of the TV, turn on: Settings โ Display and sound โ HDMI โ Regime. HDMI โ PC (for minimum lag) Settings โ Display and sound โ HDMI โ Format HDR โ Automobile
- If the image is not stable (flickering or disappearing), try another cable (Ultra High Speed is recommended). HDMI).
To use the TV as a PC monitor:
- ๐ฅ๏ธ Set the permit. 3840ร2160 upon 60 Hz in settings Windows/macOS.
- ๐ If the text is blurred, turn on the graphics card drivers "GPU Scaling" (for "Scaling" AMD) or "Override Scaling" (for NVIDIA).
- โก To reduce latency, turn off V-Sync in games.
โ ๏ธ Note: When connecting through USB-C โ HDMI Adapter (e.g. from MacBook) may not sound. Solution: in macOS audio settings, select "Xiaomi" TV" output-wise.
Troubleshooting: Frequent Problems and Solutions
Even after setting up Xiaomi correctly TV 43" may work in an unstable way. Here's a list of typical problems and solutions:
| Problem. | Possible cause | Decision |
|---|---|---|
| The TV is not turned on, the red indicator flashes. | Power failure or firmware | Turn off the network for 1 minute, then hold the Power for 10 seconds. |
| No sound through HDMI ARC | Incompatibility with the sound panel | Update the TV firmware and sound bar, turn on HDMI-CEC |
| Apps are out or not installed | Lack of memory or cache | Clear the cache in Settings โ Annexes โ Google Play Market โ Warehouse โ Clear the cache |
| Wi-Fi is constantly shut down | Interference at 2.4 GHz | Switch to 5 GHz or use Ethernet |
| The screen flickers when viewed HDR | Incorrect HDMI settings | Install. RGB 8 bits in the settings HDMI and disable Dolby Vision |
If the TV is dead and does not respond to the remote:
- Hold the Power button on your TV (not on the remote!) for 15 seconds to force a reboot.
- If it does not help, turn off the power for 2 minutes, then turn it on again.
- For a complete reset, hold the Menu + Volume Down on the remote when turned on (before the recovery menu appears).
If there is no image, but the sound is:
- ๐ Check the cable. HDMI โ Try another port or cable.
- ๐ Switch the source of the signal with the Source button on the remote.
- ๐บ If you use the console, restart it.
How to reset the TV to factory settings?
Hidden features and life hacks for Xiaomi TV 43"
Xiaomi hides some of the features of the TV to simplify the interface for ordinary users, but they can be activated through a service menu or special button combinations.
How to open the engineering menu:
- On the remote, press sequentially: Menu โ Settings โ All Settings โ General โ About โ Press 5 times on "Model"
- Enter password: 1682526 (universal for most models).
- Now you can set up: ๐ง Color calibration (for professional screen settings). ๐ก Wi-Fi power (can be increased for better signal). ๐ Power saving mode (shutting off will reduce brightness but reduce heating).
How to speed up the interface:
- ๐ Turn off animation: Settings โ On TV. โ Special facilities โ Remove animations.
- ๐งน Clean the cache regularly (once a month) through Settings โ Warehouse โ Clearing the data.
- ๐ If the TV is slowing down, reset the Launcher (main screen) settings in Settings. โ Annexes โ Launcher โ Warehouse โ Clear the data.
How to turn on Google Assistant on models without a microphone:
- Connect the Google Nest Mini or any column with Google Assistant to the same Wi-Fi.
- In the settings of the TV, activate the settings โ Devices โ Google Assistant โ Setting up.
- You can now control your TV with your voice through a column (e.g., โOK Google, turn on Netflix on your TVโ).
Like YouTube watch in the video 4K HDR (unless it is working by default):
- ๐บ Install Smart YouTube TV from Google Play (unofficial client with support for all codecs).
- ๐ง In the application settings, select "VP9 Profile 2 as a priority codec.
- ๐ Restart the TV after installation.
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On the Mi models TV 4C Android TV 11 can be enabled by the developer mode and set APK-file ADB. This allows you to install modified versions of apps (for example, Netflix with Dolby Vision support).