MDG1 on Xiaomi TVs: What model is it and how to identify it?

The MDG1 code in the name of Xiaomi TVs is often confusing for users, and is mentioned as part of the article in forums and discussions, but rarely explains what it means in practice. If you see this label in specifications, instructions or on a box, donโ€™t rush to look for a separate model: itโ€™s not a standalone device, but a designation of the modification within the line.

In this article, weโ€™ll look at which Xiaomi TVs are hidden under the MDG1 index, how they differ from other versions (such as the MDZ or L-series), and how to accurately determine your model, and why this code is important when choosing firmware or accessories โ€“ and what happens if you ignore it when you upgrade your system.

Spoiler: The MDG1 is not a standalone model, but an engineering index that indicates the hardware platform and delivery region. It's often confused with the serial number or firmware version, but it actually helps you understand what hardware is installed in your TV and what features are available out of the box.

๐Ÿ“Š You've already encountered code. MDG1 Xiaomi TV?
Yes, when you buy.
Yes, when you update the firmware
No, first time I've heard.
I remember.

What is MDG1 on Xiaomi TVs?

The MDG1 code is part of the hardware identifier that Xiaomi assigns to its TVs for internal classification.It doesn't appear on the device menu or on the welcome screen, but it can occur:

  • ๐Ÿ“ฆ On a sticker with a serial number (usually on the back panel or box).
  • ๐Ÿ”ง In the names of firmware on official resources (for example, miui_tv_mdg1_global_...).
  • ๐Ÿ› ๏ธ In the service menu or system logs (available through ADB).

It is important to understand that MDG1 โ€” It's not a TV model, it's a platform that's used to make a number of models. TV 4S 55" or Mi" TV Q1 55" may have this index, but it is different in screen, sound and even processor, and the code signals that the device is built on the same chipset (usually Amlogic). T972 or MT9638) It has a similar architecture.

Why does it matter? Because it depends on the platform.

  • ๐Ÿ”„ Compatibility with firmware (installation of the wrong version can "brick" TV).
  • ๐ŸŽฎ Support for gaming functions (e.g, ALLM or VRR).
  • ๐Ÿ”Œ Types of supported ports (e.g. availability) HDMI 2.1).

โš ๏ธ Note: If you download your TV firmware from Xiaomi or third-party sites, always check for the availability of the app. MDG1 in the file name, firmware for MDZ-platform is not suitable for MDG1, Even if the models are identical.

Which Xiaomi models have the MDG1 platform?

The MDG1 code is found in Xiaomi mid-range and premium TVs released from 2020 to 2023, below is a table with the main models and their key differences:

ModelDiagonalProcessorFeaturesSales regions
Mi TV Q155", 65", 75"MT9638QLED-120Hz screen, Dolby VisionEurope, Asia
Mi TV 4S (2021)43", 50", 55"Amlogic T9724K, HDR10+, 2ร—10W dynamicsGlobal market
Redmi Smart TV X50", 55", 65"MT961190 Hz, MEMC, metal bodyIndia, China
Xiaomi TV A Pro43", 55"Amlogic T982Google TV, 3ร—HDMI 2.1Europe, Russia

Note that the same model (e.g. Mi TV Q1 55) could be released on different platforms depending on the region, for example, the version for China could have an index of MDZ, and the global version could have an index of MDG1.

  • ๐Ÿ“บ A set of pre-installed apps (China doesn't have Netflix or YouTube out of the box").
  • ๐Ÿ”Š Support for sound formats (for example, Dolby Atmos may not be available in budget versions).
  • ๐ŸŒ Interface languages (B) MDG1 There is always Russian and English).

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If you buy a TV with your hands, be sure to check the platform code on the sticker or service menu (Settings โ†’ About TV โ†’ Model).

How to check if your TV is MDG1?

There are three reliable ways to define your Xiaomi TV platform:

  1. Look for a line in MDG1-XX-XX format (where XX is numbers or letters). It is usually located next to the serial number (S/N) or barcode.
  2. Go to Settings โ†’ About TV โ†’ Model. If you see something like the L55M7-6ARG (MDG1), this is your platform.
  3. ADB command For advanced users: Connect to TV via ADB and execute the command: adb shell getprop ro.product.platform The answer will be mdg1 (if the platform matches).

If none of these methods worked, try to find your model in Xiaomiโ€™s official support database with the serial number, usually the platform is listed in the technical specifications.

โš ๏ธ Attention: Don't confuse MDG1 s MDZ Or L-series! Like Mi TVs. TV P1 often go on the platform MDZ, and their firmware is incompatible with MDG1. Attempt to install someone else's firmware will lead to loss of warranty and possible failure.

Make sure the firmware contains "MDG1" in the file name

Check compatibility on the table on the Xiaomi website

Backup settings through Settings โ†’ System โ†’ Backup

Connect TV to Uninterruptible Power Supply-->

MDG1 vs MDZ vs L: What's the difference?

Xiaomi uses several hardware platforms for its TVs, and each has unique features.

PlatformExamples of modelsProcessorFeaturesRegions
MDG1Mi TV Q1, Redmi Smart TV XMT9638, Amlogic T972120Hz, Dolby Vision, 3ร—HDMI 2.0Global
MDZMi TV P1, Mi TV ESMT9650, Amlogic T97590 Hz, MEMC 120, HDMI 2.1China, Asia
L-seriesMi TV 4A, Mi TV 4CAmlogic T96260 Hz, budget models, AV1 decodingGlobal

The main differences that are important to the user:

  • ๐ŸŽฎ Gaming Opportunities: Only MDZ some MDG1 support HDMI 2.1 (for PS5/Xbox Series X).
  • ๐Ÿ“บ Frequency of update: MDG1 It can have 120 Hz, and the L-series can only have 60 Hz.
  • ๐Ÿ”Š Sound: MDZ It is often equipped with Dolby Atmos systems, while MDG1 โ€” Dolby Audio only.

If you choose a TV for games or movies, prefer the MDZ or MDG1. For the office or kitchen, an L-series will suffice.

Why is there no MDG1 in China?
In China, Xiaomi uses the MDZ platform for premium models, as it is better optimized for local services (e.g. iQiyi or Youku), Global versions (MDG1) are adapted for Netflix, Prime Video and are Dolby Vision certified for Western markets.

Firmware for MDG1: where to download and how to update?

Official firmware for the platform MDG1 Available on Xiaomi's support site _mdg1_ in the title (e.g, miui_tv_mdg1_global_v1234.zip). Alternative sources:

  • ๐Ÿ”— Xiaomi.eu (Castom firmware with advanced features).
  • ๐Ÿ”— 4PDA (Russified assemblies and patches).

Instructions for updating:

  1. Download the firmware and unpack it on a flash drive in FAT32 format.
  2. Connect the flash drive to the TV and go to Settings โ†’ About TV โ†’ System Update โ†’ Local Update.
  3. Select a file and wait for the process to be completed (โ‰ˆ10-15 minutes).

โš ๏ธ Note: Do not update the TV through OTA, If you have custom firmware installed, it can cause you to lose root rights or reset your settings. Always check the firmware version manually.

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Before upgrading, disable all peripherals (sound panels, game consoles) and make sure that the TV is connected to the UPS. Interrupting the process can damage the bootloader.

Frequent MDG1 Problems and How to Solve Them

MDG1 TV users face typical firmware or hardware problems, and here are the most common ways to fix them:

  • ๐Ÿ”„ The TV does not turn on after the update Reason: Incompatible firmware or power failure during installation.Solution: Restore the system via Fastboot (instructions on Xiaomi.eu).
  • ๐ŸŽต No sound through HDMI Reason: Format conflict (e.g. Dolby Digital is not supported on some models) Solution: Select from the audio menu PCM auto.
  • ๐Ÿ“ถ 5GHz Wi-Fi is not working Reason: Restriction of regional settings (some countries ban 5GHz).Solution: Change the country in network settings to the US or Europe.

If the problem is not solved, check the system logs through ADB:

adb logcat | grep -i "error"

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To reset your settings to factory settings on MDG1 TVs, use a combination of buttons on the remote: Back + Up + OK (hold 10 seconds) that will work even if the TV doesn't respond to the regular menu.

Can I install the firmware from MDZ on MDG1?
No, it's going to make the TV inoperable, and platforms use different drivers for the video chip and the audio system, and at best, the TV won't turn on, at worst, the bootloader will be damaged.
How do I know which firmware is installed on my MDG1?
Go to Settings โ†’ About TV โ†’ MIUI TV version. This will show the build number (e.g. V12.2.3.0.QCMCNXM). The first letters after the dot (QCM) denote the platform.
Does MDG1 support Dolby Atmos?
Only some models (e.g. Mi TV Q1 2022) Dolby Audio is available in most cases, but not Atmos. Check the specifications of your model on Xiaomi's website.
Can the screen frequency on MDG1 be accelerated to 120 Hz?
Technically, yes, but only on MEMC-enabled models (like Redmi Smart TV X), which requires custom firmware and root access, and risks: overheating of the matrix or image artifacts.
Where to buy spare parts for MDG1 (For example, a matrix or motherboard?summary> Official parts are sold through Xiaomi service centers.Alternative sources: ๐Ÿ›’ AliExpress (Search for the exact code of the model). ๐Ÿ› ๏ธ Local workshops (often with used components) Important: When replacing the matrix, check the compatibility by number on the sticker (for example, V550JQ1-PB1).