How to turn it on HDR Xiaomi Mi TV 4S: From support check to fine-tuning

Xiaomi Mi TVs TV 4S supportive HDR (High Dynamic Range, which greatly improves image quality through enhanced dynamic range, deeper blacks and bright colors, but many users face a problem: even after connecting a compatible source (for example, Apple). TV 4K or PlayStation 5) modes HDR10 Dolby Vision is not automatically activated. In this article, we will discuss all possible ways to enable it. HDR on Mi TV 4S, From basic settings to hidden system parameters.

It is important to understand that support HDR It depends not only on the model of the TV, but also on the firmware version, the type of device connected and even the one used. HDMI-Like the Mi cable. TV 4S The 55′2020 may not support Dolby Vision at 120Hz, while newer modifications (e.g., Dolby Vision, 4S Pros are able to do this without any problems. We tested all the methods described on firmware. MIUI TV 3.0 and later – the instructions are relevant for 2026.

If you've already tried to include HDR You can use the standard menu and it didn't work -- don't blame the TV, and 80 percent of the time, the problem is that you don't set the source right (console, game console, or media player) or you don't use the right cable. Next, we will take a step-by-step look at every aspect, starting with checking your model’s compatibility.

1. Verification of support HDR Your model is Xiaomi Mi. TV 4S

Not all Mi modifications TV 4S support HDR For example, the base models of 2018-2019 (for example, the same, 4S 43" or "or 4S 50”) is often limited to format HDR10 without Dolby Vision support, while the 4S pro 4S 2021+ To avoid wasting time, first make sure your TV is technically capable of playing back. HDR.

The official characteristics can be checked:

• 📄 On the TV box (section "Video" or "Formats").
• 🔍 Settings menu → On TV. → Model and firmware (compare with the table below).
• 🌐 On Xiaomi’s website (enter the exact model in search).

If your model doesn’t support Dolby Vision, but you connect a device (such as the Xbox Series X) that sends a signal in this format, the TV can automatically turn off the device. HDR, In this case, you have to manually switch the source to the artifacts. HDR10.

Requirements for HDMI-cable

One of the most common misconceptions is that any HDMI-cable HDR. In fact, it is necessary for full work:

• 🔌 Port port HDMI 2.0 or later on a TV (usually marked as HDMI ARC or HDMI 2.0).
• 📶 High Speed cable HDMI throughput ≥18 Gbps ("Premium Certified" or "Ultra High Speed").
• 🎮 Compatible source device (e.g, NVIDIA Shield TV Pro, PS5, Xbox Series X/S).

If you use a cheap cable from the kit or an old one HDMI 1.4, the TV may not be able to recognize HDR, You can either show it with artifacts (flickering, stripes) and check the current version of the cable by writing it on it or through a test video (for example, for example, the video, 4K HDR Test on YouTube).

⚠️ Attention: On Mi models TV 4S until 2020, only HDMI 3 (ARC) maintains full capacity for the HDR. Connect the source to this port, even if it is already occupied by the sound system.

If you’re connecting to PlayStation 5 or Xbox Series X, make sure that the console settings are on mode. 4K HDR:

• For PS5: Settings → Screen and video → Video output → Turn on HDR.
• For Xbox: Settings → General. → Screen settings → Screen capabilities → 4K HDR.

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If you have connected a new cable HDR It doesn't work anyway, so try restarting the TV and the signal source. HDMI-Handshake (reconciling parameters) is lost and requires a “hard” reset.

3. Inclusion HDR TV-menu

If your model supports you HDR, And the cable and the signal source are up to the requirements, so we're going to go to the settings of the TV. TV 4S management HDR Hidden in several menus - consider both options.

Method 1: Automatic recognition HDR

By default, the TV should automatically switch to mode. HDR When you get the appropriate signal, to check it out:

1. Connect the source (e.g. Apple) TV 4K) ce HDMI-port.
2. Launch tagged content HDR (For example, a movie on Netflix or Disney.+).
3. Press the Menu button on the remote and select Settings. → Display and sound → Image mode.
4. If HDR active, you'll see the inscription HDR10 Dolby Vision in the upper corner of the screen.

Method 2: Manual activation HDR (if the automatic fails)

On some firmware MIUI TV The automatic recognition is not working properly:

1. Go to Settings. → Display and sound → Additionally. → HDMI-regime.
2. Select the port to which the source is connected (for example, HDMI 3).
3. Set the parameters: 🔄 Regime. HDMI: 2.0 (or 2.1 if available). 🎨 Color range: RGB YCbCr 4:4:4 (depending on the source). 🌈 Color depth: 10 bits or 12 bits.

Save the settings and restart the TV.

Check the TV model for compatibility|Use it. HDMI 2.0|Connect the source to the correct port|Activate HDR source-setting|Reboot the TV and device-->

4. Set up image modes for HDR

Even if HDR If you turn on, it might look dull or oversaturated. TV 4S It defaults to using universal profiles that are not optimized for high dynamic range:

Go to Settings. → Display and sound → Image mode and select one of the specialized profiles:

• 🌞 HDR Vivid – maximum brightness and saturation (suitable for bright rooms).
• 🎬 HDR Cinema – contrast balance for movies (recommended for movies).
• 🎮 HDR Game – Minimum input delay (for game consoles).

For fine-tuning, select User and adjust:

• 🔆 Brightness: 45-55 (for OLED-panels) or 50-60 (for LED).
• 🎛️ Contrast: 85-95 (not maximum to avoid lights).
• 🌈 Saturation: 50–60 (the above values lead to unrealistic colors).
• 🔍 Sharpness: 0-10 (HDR-The content already contains detail).

⚠️ Attention: On Mi models TV 4S matrixed VA (not IPS) high-brightness HDR You may experience a bloating effect, and to reduce it, lower Local dimming to Average.

5. Update the firmware to fix problems with HDR

If HDR It doesn't work despite all the efforts, the problem may be in outdated firmware. Xiaomi regularly releases updates that correct recognition errors. HDR, Especially for the 2019-2020 models:

Method 1: via the Internet (recommended):

1. Go to Settings → About TV → System Update.
2. Click Check for updates.
3. If a new version is available, for example, MIUI TV 3.2+), confirm installation.

Method 2: manually USB (if there's no internet):

1. Download the firmware for your model from the official website (file with the extension.zip).
2. Unpack the archive and copy the update.zip file to the flash drive (FAT32 format).
3. Connect the flash drive to the TV and select Settings → About TV → Update via USB.

⚠️ Note: If after the update HDR stopped working, reset the settings to the factory (Settings) → On TV. → This is due to the conflict of old parameters with new firmware.

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Update the firmware through USB — The only way to recover HDR, If the TV is not connected to the Internet or blocked in "no signal" mode".

6. Solving common problems with HDR

Even after the right setup HDR It can work incorrectly. Here are the typical symptoms and their solutions:

Problem 1: HDR It turns on, but the image is dark.

Reasons:

• 🔦 Incorrect calibration of brightness in the profile HDR.
• 📺 The source sends metadata with low brightness (for example, Dolby Vision movies in dark scenes).

Decision:

• Increase the brightness in the image settings to 55-60.
• Turn off Auto Brightness (Settings) → Display. → Light sensor).

Problem 2: HDR flashing

Reasons:

• 🔌 Unstable. HDMI-cable.
• ⚡ Conflict with technology ALLM (Auto Low Latency Mode).

Decision:

• Try another cable or port.
• Turn it off. ALLM in source settings (e.g. on Xbox: Settings) → General. → Screen settings → Delay regime).

Problem 3: No sound in mode HDR

Reason:

• 🔊 A conflict of audio formats (e.g. Dolby Atmos is not supported via a HDMI ARC).

Decision:

• Switch the audio output to PCM source-setting.
• Use a separate cable for sound (optical or HDMI eARC).

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After inclusion HDR The TV is getting hotter than usual -- that's normal. HDR consumes 20-30% more energy, but overheating is eliminated thanks to the cooling system.

Comparison HDR Xiaomi Mi TV 4S rival

To see how good Mi is. TV 4S cope HDR, Compare it with popular models of other brands in the same price segment (data for 2026):

Mi TV 4S It is advantageously price-performance, but it loses in brightness and lack of local dimming, but for most users, the difference of 50-100 cd/m2 is not critical, especially in darkened rooms. The main advantage of Xiaomi is support for Dolby Vision even in budget models, which many competitors do not have (for example, Samsung). CU7000).

If you want maximum brightness for viewing during the day, consider TCL 55C715 400 cd/m2, but if software and ecosystem are the priority, Mi TV 4S It is one of the best options thanks to MIUI TV and built-in services (Netflix, Prime Video with HDR).

FAQ: Frequent questions about HDR Xiaomi Mi TV 4S