Xiaomi BN43 β€” What is the TV model and how to identify it?

When you come across the Xiaomi designation BN43 In documents, on a box, or in the settings of a TV, the logical question is, what kind of model is it and what features does it have? This code is not just a random set of characters, but part of the marking system that Xiaomi uses to designate series and modifications of its equipment. BN43 We are talking about TV line Mi TV 4A or Mi TV 4S, issued for specific regions.

It is important to understand that BN43 β€” It's not the full name of the model, it's just a part of it. L43M6-BN43 or 4A 43 BN43, where:

  • πŸ“Ί 43 - screen diagonal in inches;
  • πŸ”€ BN β€” series or platform (in this case, indicating a budget line);
  • πŸ”’ 43 – Internal Modification Index, which may vary depending on the year of issue or region.

In this article, we'll go into detail about which models are behind this designation, how to tell them apart, and what to do if you're not sure what your version is, and why. BN43 It can occur in different configurations and how it affects the functionality of the TV.

What does marking mean? BN43 Xiaomi models?

Code. BN43 β€” This is part of the serial number that Xiaomi assigns to its TVs to simplify logistics and service:

  • πŸ”  B indicates the Mi lineage TV 4A/4S (budget);
  • πŸ”  N stands for regional modification (e.g., for Europe or Asia);
  • πŸ”’ 43 – can mean either diagonal (43 inches) or version index (e.g. 43rd platform revision).

However, it is important to bear in mind that BN43 β€” It's not a stand-alone model, it's part of a complete designation:

  • πŸ“Ί Mi TV 4A 43 BN43 β€” TV with a diagonal of 43 inches, budget series 4A;
  • πŸ“Ί L43M6-BN43 β€” Mi-line TV 4S colour-enhanced;
  • πŸ“Ί 43BN43 β€” Abbreviated designation that is sometimes used in documents.

To accurately define your model, code alone is not enough. BN43 β€” You have to look at the full markings on the box or in the settings menu of the TV. β†’ On TV. β†’ The model will see the full name.

πŸ“Š What is the diagonal of your Xiaomi TV?
32 inches
43 inches
50 inches
55 inches or more
I don't know.

What Xiaomi models have code BN43?

Designation BN43 It is found in several Xiaomi models, but it is most often associated with two main lines:

Full name of the modelSeriesDiagonalFeatures
Mi TV 4A 43 BN434A43"Budget model with full resolution HD, Amlogic processor, 1 GB of RAM
L43M6-BN434S43"Improved color reproduction (HDR10), 2 GB of RAM, Dolby Audio support
Mi TV 4X 43 BN434X43"Mid-segment, 4K UHD, processor MTK, 2.25 GB of RAM
43BN43 (OEM-version)No series.43"Version for telecom operators or regional distributors, may differ firmware

The main difference between these models is the hardware platform and the screen resolution. TV 4A coded BN43 usually goes full HD (1920Γ—1080), while Mi TV 4S The same label can be used to support 4K depending on the year of issue.

⚠️ Attention: If you only see BN43 series-wise (4A, 4S, 4X), This may mean that the TV was released for a specific region or carrier, in which case it is recommended to check the firmware through the Settings menu. β†’ On TV. β†’ The full version of the software may be specified there.

How to determine the exact model of your Xiaomi TV?

If only the code is indicated on the box or in the documents BN43, If you want to know the full name of the model, there are several ways:

  1. Through the TV menu: Go to Settings β†’ On TV. β†’ It'll have the full name, for example, L43M6-BN43 or Mi TV 4A 43 BN43.
  2. Serial number: On the back of the TV or in the settings menu, find the serial number (usually starting with the ACG... The first characters after the letters often indicate a series, such as a serial number. ACG4A... It is said that this is a model from the line. 4A.
  3. By appearance: Compare your TV with official series photos 4A, 4S and 4X It's on Xiaomi. TV 4S It usually has thinner frames and metal legs, whereas 4A β€” plastic.

If none of these things work, you can use service codes.

  1. Turn on the TV and go to the main screen.
  2. On the remote, press sequentially: Menu β†’ Settings β†’ All Settings β†’ Device Preferences β†’ About.
  3. Find the Model and Hardware version, and you will find the full details.

β˜‘οΈ How to find out the model of Xiaomi TV

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Differences between Mi TV 4A, 4S and 4X coded BN43

All of these models may be labeled BN43, Their specifications vary considerably. Below is a comparative table of key parameters:

ParameterMi TV 4A (BN43)Mi TV 4S (BN43)Mi TV 4X (BN43)
Screen resolutionFull HD (1920Γ—1080)4K UHD (3840Γ—2160) full HD4K UHD (3840Γ—2160)
ProcessorAmlogic Cortex-A53 (4 cores, 1.5 GHz)Amlogic T962 or MTK (4 cores, 1.8 GHz)MediaTek MT9611 (4 cores, 2.0 GHz)
RAM1GB2GB2.25 GB
Support for HDR❌ No.βœ… HDR10, HLGβœ… HDR10, Dolby Vision
Sound.2 8 watt dynamics2 10W speaker, Dolby Audio2 dynamics at 12.5 watts, DTS-HD

Important: TVs with code BN43 series 4S They can have full as well. HD, so 4K The permit is based on the year of issue. Models from 2020 to 2021 are usually 4K, and earlier (2018-2019) – Full HD.

If you are planning to buy a TV with a label BN43, Ask the seller for the full name of the model and year of release. TV 4S 43 BN43 2020 will be supported by 4K, The same 2018 model is only Full. HD.

πŸ’‘

If you are not sure about screen resolution, check it through the menu: Settings β†’ Display and sound β†’ Screen resolution. It will indicate the current and maximum supported resolution.

Frequent problems and questions about code models BN43

Owners of Xiaomi TVs with labels BN43 They often have typical firmware, sound, or connection problems:

⚠️ Attention: If your TV is Mi TV 4A BN43 It doesn't turn on after you update your firmware, don't try to reset the settings through the menu -- this can make the problem worse. Instead, disconnect the TV from the network for 10 minutes, then turn it on again. If the problem persists, you'll need to flash it over. USB.

Among the most frequent complaints:

  • πŸ”Š Problems with sound: the sound disappears through the HDMI Or Bluetooth. So the solution is to reset the audio settings to Settings. β†’ Sound. β†’ Reset to factory.
  • πŸ“Ά Unstable Wi-Fi connection: typical for models with an Amlogic processor, helps by changing the router channel to 5 GHz or updating the firmware.
  • πŸ–₯️ Artifacts on the screen: if the TV BN43 gives out stripes or flicker, check the cable HDMI Or try another signal source.
  • πŸ”„ Interface freezes: typical for models with 1 GB of RAM (series) 4A). Solution - disable background applications in Settings β†’ Annexes.

If your TV is in the series 4S or 4X, But it still slows down, try rolling back the firmware to an older version. 4PDA Xiaomi Community.

How to roll back firmware on Xiaomi TV BN43?
1. Download the necessary firmware version from the official Xiaomi website (Subsection "Support"). 2. Unpack the archive and copy the file update.zip flash-drive (FAT32). 3. Insert the flash drive into the TV and go to Settings β†’ On TV. β†’ Updating the system β†’ Local Update. 4. Select a file and wait until the process is complete (don’t turn off the TV!). 5. After restart, check the version of the software in the About TV menu.

Where to buy spare parts for Xiaomi BN43?

If you have a Xiaomi TV BN43 Requires repair, find original parts in the following ways:

  • πŸ›’ Official Xiaomi service centers: they guarantee original details, but prices can be higher than the market.
  • 🌍 AliExpress: search for Xiaomi L43M6-BN43 mainboard or Mi TV 4A 43 power board. Pay attention to the seller's rating and reviews.
  • πŸ”§ Local workshops: many repair services order parts in bulk and can offer them cheaper.Specify if they have experience with Xiaomi.
  • πŸ“¦ Groups in social networks: Facebook or VKontakte there are communities for repairing Xiaomi equipment, where they sell used parts.

When buying parts, pay attention to the exact match of the model. TV 4A 43 BN43 Not good for Mi. TV 4S 43 BN43, even if the diagonal and the code are the same.

⚠️ Note: Replacement of the matrix in TVs BN43 Check its compatibility by the model number on the sticker (for example, V430B1-L06). The mismatch can lead to problems with color reproduction or backlighting.

Alternatives to Xiaomi models with code BN43

If you are considering buying a Xiaomi TV with a label BN43, If you want to learn about the model, look at the following models:

ModelDiagonalPermissionAdvantagesDeficiencies
Redmi Smart TV X4343"4K UHDMore powerful processor, Dolby Vision, low priceFewer ports HDMI (2)
TCL 43P61543"4K UHDBest Color Rendering, Google TVLess optimized firmware
Hisense 43A6K43"4K UHDSupport HDR10+, soundFewer apps in the brand store
Xiaomi Mi TV Q1 43"43"4K UHDQLED-matrix, 120 Hz, Dolby AtmosHigh price, not always available

If your priority is price/quality ratio, then among the models BN43 The best choice is the Mi. TV 4S (if you need support 4K) or Mi TV 4X (If you want a more powerful processor, it is better to consider Xiaomi Mi for gamers or movie lovers. TV Q1 or alternatively TCL 120Hz support.

πŸ’‘

Xiaomi TVs with code BN43 β€” These are budget or mid-budget models that are ideal for everyday use, if you need advanced features (e.g., for example, for the use of the computer, QLED or 120 Hz, pay attention to the rulers Q1 or Q2.

FAQ: Frequent questions about Xiaomi BN43

My TV has a marking. BN43, But it doesn't turn on?
Check first: Is the power cable connected to the socket and TV, is the indicator on the front panel on fire (if not, there is a problem in the power supply), has there been a firmware update recently (if yes, try resetting the settings via Menu). + If the indicator flashes but the TV is not turning on, this may indicate a malfunction of the motherboard.
How to update the firmware on Mi TV 4A/4S coded BN43?
There are two ways: via the Internet: Go to Settings β†’ On TV. β†’ Update the system and click "Check Updates." Locally through USB: Download firmware from the official website, unpack the archive and copy the file update.zip flash-drive (FAT32). Insert it into the TV and select β€œLocal Update” from the menu. ⚠️ Don't turn off the TV during the upgrade! This can lead to a "brick" (breaking firmware).
Does Mi support it? TV 43 BN43 Netflix and Disney+?
It depends on the model and the region: 🎬 Mi TV 4A BN43 (Full HD) β€” Netflix is working, but without support 4K. 🎬 Mi TV 4S/4X BN43 (4K) β€” Netflix and Disney+ supported 4K HDR, But you may need to manually install applications. If the apps are not in the store, you can install them through Send Files to TV or APK-file.
Can I connect the sound bar to Xiaomi? BN43?
Yes, but the way you connect depends on the model: πŸ”Œ Through HDMI ARC: available TV 4S/4X BN43 (port HDMI ARC). 🎡 Bluetooth: All models BN43 Bluetooth support 4.2, But there may be a delay in sound. πŸ”΄πŸ€ Optical output: only available in Mi TV 4X BN43 For minimum sound delay, it is recommended to use HDMI ARC.
Where to download the instructions for Xiaomi BN43?
Official instructions can be found: 🌐 On the Xiaomi Support website (enter the full model, for example, L43M6-BN43). πŸ“„ In the firmware archive (usually attached User Manual.pdf). πŸ“± In the Mi Home appendix (section "Devices" β†’ User manual. If the instruction is in Chinese, use Google Translate with text scanning function.