Xiaomi TVs with support 4K Ultra HD It has long ceased to be a luxury – today it is the standard for most models of the brand, from budget Mi to the most expensive ones. TV A2 before the flagship Xiaomi TV Q2. However, many users are faced with a problem: they bought the product. 4K-The TV, we plugged it in, but it's still not as clear as expected. What's the matter? There are a number of reasons, from the wrong settings of the TV itself to the limitations of the signal source or the cables.
In this article, we will look at all the steps, from choosing the right content and connecting devices to fine-tuning the image parameters. MIUI TV, which the manufacturer does not advertise, but which can significantly improve the quality of 4K. You will also learn which Xiaomi models really support the true model. 4K (Not upscale, and how to circumvent common restrictions, such as the absence of 4K on some streaming services.
1. Check the technical capabilities of your Xiaomi TV
Before you set up 4K, Make sure your Xiaomi TV is capable of playing that resolution at all. Not all models, even labeled ones "4K", They're equally good. Here's the key:
- 🔍 Screen resolution: The true 4K — it 3840×2160 In budget models (e.g. Mi). TV 4A 32") often used upscale (scaling up) to 4K real 1920×1080. You can check the settings menu. → On TV. → Technical specifications.
- 🖥️ Support HDR: For a full-fledged 4K Not only is it size, but technology is also important. HDR10, Dolby Vision or HLG. Without them, the picture will be dull. TV P1 It also has support for Dolby Vision and Mi. TV 4S — only HDR10.
- 🔌 HDMI-ports: For 4K@60Hz need HDMI 2.0 Or newer. Older models (before) 2019 perhaps years HDMI 1.4, supportive 4K only 30 Hz is critical for gamers, and you can see the port version in the manual or on the official website.
If your TV is released before 2018 (for example, Mi). TV 3 or Mi TV 4 first revisions, chances are it's not pulling up to date standards, so the best you can expect is to watch. 4K-content with upscale or reduced frame rate.
⚠️ Note: Some Xiaomi models (e.g. Mi) TV 4A 55" 2019 year) may be displayed on the menu "4K", but the actual resolution of the panel — 1366×768 You can check this out through the service menu (clamp Menu). + Volume Down on the remote when turned on).
| Xiaomi model | Real authorization | Support for HDR | Max. frequency. 4K |
|---|---|---|---|
| Mi TV 4A (2018) | 1920×1080 (lopscaling) | No. | 30 Hz |
| Mi TV 4S (2020) | 3840×2160 | HDR10 | 60 Hz |
| Xiaomi TV P1 (2021) | 3840×2160 | Dolby Vision, HDR10+ | 120 Hz |
| Xiaomi TV Q2 (2023) | 3840×2160 (QLED) | Dolby Vision, HDR10+, HLG | 144 Hz |
2.Selection of source 4K-Content: What and Where to Watch
Even if your TV is still supportive 4K, The content that we need is still to be found. Not all sources provide the real content. 4K-resolution - many services use compression or limit quality depending on the device:
- 🎬 Streaming services: Netflix: 4K Available only on Premium and requires a Widevine-enabled TV L1 (There is in all Xiaomi TV after 2020 YouTube: Free of charge 4K, But you need Internet speed to play back. 25 Mbit/s on Xiaomi TV Often there are problems with codecs. VP9 — If the video is slowing down, try turning it on. AV1 playback. OKKO/ivi: In Russia. 4K Available only for individual films and requires a Premium subscription".
- 💿 Local media: Films in format MKV permittingly 2160p codecs HEVC (H.265) or AV1. Important: Xiaomi TV supportive DTS:X — the sound will be reproduced in DTS Core: PS5 Xbox Series X is out now 4K@120Hz, but it's necessary HDMI 2.1 (It's only in Xiaomi. TV Q2 newer).
- 📶 IPTV Satellite TV: Legal in Russia 4K-TV is available only from Tricolor (channels "4K Ultra HD" Match! 4K") and NTV-Plus (package "Cinema and Sport in the World") 4K"). You need a support tuner to view. DVB-S2 and Internet speed from 40 Mbit / s.
It is important to understand that even if the source is "4K", The real quality may vary. Netflix uses strong compression, for example, and YouTube often streams. 4K bitrate 12-15 Mbps, which is comparable to a good one 1080p. To check the real resolution on Xiaomi TV Press the Info button on the remote during playback – a panel with the current resolution and frame rate will appear.
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If you're on YouTube 4K-Video slows down, try to manually select permission 1440p — This often gives you a smoother playback without losing details on the big screen.
3. Device Connection: Cables, Ports and Protocols
One of the most common reasons why 4K It doesn't work for Xiaomi. TV — It's the wrong cable or port, even if the TV supports it. 4K, An old cable or an incorrectly selected connector may limit the signal:
3.1 Choice. HDMI-cable
For 4K@60Hz cable HDMI 2.0 Or newer. Here's how to tell them apart:
- 🔌 HDMI 1.4: Supports 4K, It's only 30 Hz, and it's good for movies, but not for games.
- 🔌 HDMI 2.0: 4K@60Hz, HDR, bitrate 18 Gbps: The Best Choice for Most People.
- 🔌 HDMI 2.1: 4K@120Hz, Dolby Vision, 48 Gbps. Needed for PS5/Xbox Series X and Xiaomi TV Q2.
It's not visually possible to check the cable version, so you can either use the labeling on the package or test it in practice. PS5 TV show 1080p, not 2160p, The problem is the cable.
3.2 What port HDMI Xiaomi TV
On the back of Xiaomi TV usually 2-3 port HDMI, But they're not all the same:
- 📺 Port port HDMI 1 (ARC/eARC): Designed for sound systems. Supports 4K, It can be a conflict with Dolby Atmos.
- 🎮 Port port HDMI 2/3: Optimal for gaming consoles and media players. In Xiaomi models TV P1 newer port HDMI 3 Often takes priority for high resolution.
To enable increased productivity to HDMI, Go to Settings. → Devices and connections → Settings HDMI and select the Enhanced Format option for the desired port. HDR high-frequency.
⚠️ Note: Some Xiaomi models (e.g. Mi) TV 4S 55) port HDMI 1 by default is limited by resolution 1080p. To remove the restriction, you need to manually turn on the mode HDMI 2.0 in the service menu (see section 5).
Used. HDMI 2.0 or newer
Cable connected to port HDMI 2 or 3
In the settings HDMI included "Enhanced format"
Source (console, console) is configured to output 4K-->
4.Tune Xiaomi TV for optimal 4K
Even if everything is connected correctly, factory image settings on Xiaomi TV The manufacturer overstates the brightness and contrast for the display effect, but it spoils the real quality. 4K. Here's how to set up the picture correctly:
Basic image settings
Go to Settings. → Image and set the following parameters:
- 🌡️ Image Mode: Select Movie or Game – they disable unnecessary post-processing.
- 🔆 Brightness: 45-50% (for OLED-panels — 30-35%).
- 🖼️ Contrast: 85-90% (for HDR leave 100%).
- 🎨 Color temperature: Warm or Standard (avoid Cold - it distorts colors).
- 🔍 Sharpness: 0-10%. More value will add artifacts.
Inclusion HDR Dolby Vision and
If your TV is supported HDR, You need to manually switch it on:
- Go to Settings. → Image: → Additional settings.
- Turn on the options: HDR (Dolby Vision (Available on Xiaomi) TV P1/Q2) Auto-detection HDR (switch-over)
Dolby Vision
Important: if, when switched on, HDR So if you look at the image, it gets too dark, check the settings of the source. PS5 You need to manually install the output. HDR screen-setting.
Hidden settings for experts
Xiaomi. TV There's a service menu with advanced options that you can't see in the standard interface:
- Turn off the TV.
- On the remote, press the Menu buttons. + Volume Down and, holding them, press the power button.
- In the menu that opens, select Picture. → Advanced Settings.
⚠️ Warning: Do not change the settings in the service menu unless you are sure of their value.Incorrect settings of White Balance or Panel Settings can lead to image degradation or even damage to the matrix.
How to reset the image settings to factory?
5. Solving common problems with 4K Xiaomi TV
Even after you set it up properly, you can have problems, and here are the most common ways to solve them:
| Problem. | Possible cause | Decision |
|---|---|---|
| 4K It works, but the soap picture" | Low resolution upscale or source compression | Check the real source resolution (click Info on the remote).For YouTube, try VP9 codec. |
| No sound in 4K | HDMI-The cable does not support eARC or audio format (e.g., eARC, DTS:X) | Use the cable with HDMI 2.1 or change the sound format to PCM source-setting. |
| 4K It only works 30 Hz. | Cable HDMI 1.4 or the port is set to a limited mode | Replace the cable with HDMI 2.0 and enable the Improved format in the settings HDMI. |
| Netflix doesn't show 4K | There is no support for Widevine L1 or low internet speed | Check the tariff (need Premium) and speed (minimum 25 Mbps). TV may need to be updated DRM-keynote. |
If the problem is not solved, try resetting the TV settings to factory: Settings → System system → Resetting and remediation → Resetting all settings, which will help eliminate software conflicts.
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On Xiaomi models TV P1 and newer for the correct 4K s PS5/Xbox You need to manually activate the mode. HDMI 2.1 In port settings, even if the cable supports this version.
6. firmware update: why it is important for 4K
Firmware on Xiaomi TV Not only is it responsible for stability, it's also responsible for supporting new formats, like the Dolby Vision on Xiaomi. TV P1 It only came after the update. MIUI TV 3.0 Here's how to upgrade properly:
Automatic updates
The easiest way is:
- Go to Settings → About TV → System Update.
- Click Check for updates.
- If a new version is available, confirm the installation.
Important: during the update, the TV will restart several times - do not disconnect it from the power, otherwise you risk getting a "brick".
Manual update through USB
If the automatic update does not work (for example, due to slow Internet connection), you can install the firmware manually:
- Download the latest firmware for your model from the official Xiaomi website (section) MIUI TV).
- Unpack the archive and copy the update.zip file to the flash drive (FAT32 format).
- Insert the flash drive into the TV, then go to Settings → About TV → Update via USB.
- Select the file and confirm the installation.
⚠️ Note: Install only firmware designed for your model. For example, firmware from Xiaomi TV P1 55's not gonna be good for P1 65" - This can cause the TV to fail.
How to roll back the firmware if after the update disappeared 4K?
7. Optimization for gamers: 4K@120Hz and VRR
If you are connected to Xiaomi TV game console (PS5, Xbox Series X) or PC, it's not just resolution, it's frame rate and synchronization technology:
7.1 Enabling Game Mode
Game Mode reduces input delay (input lag) to 10-15 MS (against) 30-50 In the standard mode, to activate it:
- Connect your console or PC to your TV.
- Run any game.
- On the remote, press the Game button (or go to Settings). → Image: → Game mode).
In this mode, all post-processing is turned off, which can make the picture less “beautiful”, but more responsive.
7.2. Setting up 4K@120Hz
For 120 Hz in 4K need:
- TV with HDMI 2.1 (Xiaomi TV Q2 or newer).
- Ultra High Speed Cable HDMI (certified).
- Source with support 4K@120Hz (PS5, Xbox Series X, video cards NVIDIA RTX 30xx/AMD RX 6000).
Setting up PS5:
- Go to Settings → Screen and video → Video output.
- Select the Permission: 2160p and Update Frequency: 120 Hz.
- Turn it on. VRR (if the TV supports).
Xiaomi. TV Q2 also need to be included HDMI 2.1 Mode in port settings:
Settings → Devices and Connections → HDMI Settings → [Select Port] → HDMI 2.1 Mode💡
Xiaomi. TV P1 maximum frequency 4K — 60 Hz, even if the specifications are 120 Hz. This is a hardware limitation, and you can not circumvent it.