If you stumble upon the mysterious Xiaomi M1805D1SG designation in search of a new TV, or try to figure out what kind of device it is already in your home, you have come to the right place. This model is one that often raises questions from users because of its non-obvious markings. Unlike the usual Mi TV or Redmi Smart TV series, the M1805D1SG code does not reveal either the diagonal, the year of release, or the key chips at once.
In this article, we will take a closer look at what the Xiaomi M1805D1SG is all about, from technical specifications to operational nuances, how it differs from other Xiaomi TVs, what its strengths and weaknesses are, and how to set it up correctly. We will focus on compatibility with Mi Home and Google Assistant, the relevance of firmware and the typical problems faced by owners.
Spoiler: The M1805D1SG is not just a random set of letters and numbers, but part of Xiaomiโs internal notation system that helps identify the device in service centers and databases. And yes, this TV is still available for purchase โ but with reservations, which we will discuss below.
Decoding the model: what does the M1805D1SG mean?
The M1805D1SG marking follows Xiaomiโs internal logic, where each letter and number carries a meaning.
- ๐น M is a prefix denoting membership in the Mi line TV (as opposed to Redmi or POCO).
- ๐น 1805 - year and month of model development: May 2018. This is not the year of release, but the date of the project's launch!
- ๐น D1 โ In this case, indicates the first revision of the device (D - diagonal, 1 - version).
- ๐น SG โ This is important: the TV was originally designed to meet Asian broadcast standards (e.g., support for Singapore as a target market). DVB-T2 Singapore may be different from European models).
Interestingly, similar models for other regions may have different suffixes, such as the M1805D1IN for India or the M1805D1EU for Europe, which explains why devices with the same "stuffing" may have different supported Wi-Fi frequencies, a set of preinstalled applications or even remote control.
A critical nuance: the SG TV is not officially intended for Russia and CIS countries, which means that when buying through informal channels (for example, AliExpress or local dealers), you may encounter a lack of support for local TV standards or warranty service.
Technical characteristics of Xiaomi M1805D1SG
Under the hood of the Xiaomi M1805D1SG hides a typical for 2018-2019 โstuffingโ with an emphasis on price/quality ratio.
| Characteristics | Meaning |
|---|---|
| Screen diagonal | 55 inches (options: 43, 65" under other indices) |
| Permission | 3840 ร 2160 (4K UHD) |
| Type of matrix | VA-panel with Direct LED backlight (without local dimming) |
| Processor | 4-core Amlogic T962 (ARM Cortex-A53, 1.5 GHz) |
| RAM | 2GB DDR4 |
| Built-in memory | 8 GB of eMMC (of which ~5 GB is available to the user) |
| Operating system | Android TV 9.0 (with PatchWall) |
Features that should be paid attention to:
- ๐บ HDR10, but without Dolby Vision support, this limits viewing of dynamically extended content on some streaming platforms.
- ๐ Built-in speakers 2 ร 8 Support for Dolby Audio and DTS-HD, but without a subwoofer.
- ๐ถ Support for Wi-Fi 802.11ac (dual-strip 2.4/5 GHz and Bluetooth 4.2.
- ๐ฎ 3 ports HDMI 2.0 (one with support) ARC), 2 ports USB 2.0, optical audio output.
โ ๏ธ Note: This model does not support HDMI 2.1, meaning absence 4K@120Hz, ALLM (Auto Low Latency Mode and VRR โ critical for modern gaming consoles (PS5, Xbox Series X).
Xiaomiโs other models: Mi TV 4S and Redmi Smart TV
To see if you should choose the M1805D1SG, compare it with the closest analogues from Xiaomi of the same period:
| Model | Xiaomi M1805D1SG (2018) | Mi TV 4S 55" (2019) | Redmi Smart TV X55 (2020) |
|---|---|---|---|
| Processor | Amlogic T962 (1.5 GHz) | Amlogic T972 (1.9 GHz) | MediaTek MT9611 (1.5GHz) |
| RAM/ROM | 2/8 GB | 2/16 GB | 2/16 GB |
| HDR | HDR10 | HDR10, HLG | HDR10, HLG, Dolby Vision |
| OS | Android TV 9.0 | Android TV 9.0 | Android TV 10.0 |
| Price (2026) | ~25 000โ35 000 โฝ | ~30 000โ40 000 โฝ | ~35 000โ45 000 โฝ |
Key findings:
- ๐ง M1805D1SG It loses to newer models in performance and support for modern formats (e.g. Dolby Vision).
- ๐ฐ But the price wins is one of the most affordable. 4K-Xiaomi models in the secondary market.
- ๐ฆ Package: the box is a remote with a microphone for voice control (works with Google Assistant), but without batteries.
๐ก
If you need a TV to watch 4K movies without claims to gaming chips, the M1805D1SG is a reasonable budget choice. For gamers or HDR-content enthusiasts, the Redmi Smart TV X55 is better.
Where to buy Xiaomi M1805D1SG in 2026?
Officially, the Xiaomi M1805D1SG is not shipped to Russia, but it can be found at the following sites:
- ๐ AliExpress - Prices from 25,000 โฝ, But pay attention to the seller: some offer "global versions" with firmware for Europe.
- ๐ Yandex Market / Wildberries - sometimes appear in dealers, but the risk of running into a used device is high.
- ๐ง Local service centers โ sometimes sell refurbished TVs after warranty repairs.
- ๐ค Avito/Yula โ here you can bargain, but check the device on the spot (see checklist below).
โ ๏ธ Note: When buying from AliExpress, check with the seller whether the model supports the model. DVB-T2 Some Singapore versions may not catch local channels without an additional receiver.
โ๏ธ What to check before buying a used Xiaomi M1805D1SG
How to set up Xiaomi M1805D1SG after purchase?
The first launch of the TV is standard for Android TV, but there are a few nuances:
- Language choice: English or Chinese may be the default language, but you have to choose it manually from the Settings โ Device Preferences โ Language menu.
- Wi-Fi Connection: The TV only supports 2.4GHz and 5GHz networks, but not Wi-Fi 6. If the router is dual-band, choose a 5GHz network for stable 4K streaming.
- Software Update: Go to Settings โ About โ System update and check the firmwareโs relevance. The latest version for this model is the V125 (released in 2021).
- Remote Setup: If voice search doesnโt work, update the remoteโs firmware through the Settings โ Remote & accessories menu.
๐ก
To speed up your TV, disable unnecessary system apps via Settings โ Apps โ See all apps. For example, you can delete or disable Mi Game Center if you are not playing.
To connect to Mi Home:
- Install the Mi Home app on your smartphone.
- On TV, go to Settings โ Accounts & Sign in โ Mi Account and log in.
- In the Mi Home app, click "+" โ "Add device" โ "TV".
How to reset the TV to factory settings?
Typical problems and their solutions
Owners of Xiaomi M1805D1SG most often face the following problems:
- ๐ Hanging while viewing YouTube/Netflix: Related to a lack of RAM. Solution - clear the app cache in Settings โ Apps or use Smart YouTube TV instead of a formal client.
- ๐ถ Wi-Fi catches poorly: The problem is typical for devices with Singapore firmware, whether it is a cable connection or replacing the router with a model with support MU-MIMO.
- ๐ Quiet sound: In the sound settings (Settings) โ Sound: Turn on Dynamic and turn off Night Mode.
- ๐ฅ๏ธ No image when connecting to a PC: Set in settings HDMI-portage PC Mode (in the Settings menu) โ Display & Sound โ HDMI mode).
โ ๏ธ Note: If the TV does not turn on after updating the firmware, try to roll back to the previous version via Recovery Mode. To do this, download the firmware from the Xiaomi Firmware site to the flash drive, paste it into the flash drive. USB-port and press the Menu button on the remote when you turn on.
Alternatives to Xiaomi M1805D1SG in 2026
If you havenโt bought the M1805D1SG yet, consider more modern alternatives.
| Model | Advantages | Deficiencies | Price. |
|---|---|---|---|
| Xiaomi TV A2 55" | Android TV 11, Dolby Vision, 30W audio | No HDMI 2.1. | ~40 000 โฝ |
| Redmi Smart TV X50 | 90 Hz matrix, MEMC, low input lag | Weak speakers (10 W) | ~38 000 โฝ |
| TCL 55C635 | QLED, HDMI 2.1, 120 Hz | There is no built-in Google Assistant | ~45 000 โฝ |
๐ก
If the budget allows, it is better to pay 5-10 thousand rubles and take a model with Dolby Vision and HDMI 2.1.