Connection HDMI Xiaomi TV 4S: full instruction with expert advice

Xiaomi Mi TVs TV 4S remain popular due to the combination of affordable prices, high-quality images and Smart functionality TV. However, even experienced users sometimes have difficulties with connecting devices to the Internet. HDMI — Especially when it comes to first setup or custom signal sources, this article will help you understand everything from choosing the right cable to diagnosing typical problems.

We’ll look at not only the basic connectivity steps, but also the hidden settings of Xiaomi. 4S, They can affect the quality of the image and the sound, for example, why the TV can't recognize the sound. 4K@60Hz through HDMI, But it does support that resolution, or how to turn on Game Mode to reduce game delay, and if you're faced with a black screen, no sound, or flickering, you'll find solutions here.

Unlike universal instructions, this article takes into account the features of firmware. MIUI TV Xiaomi 4S (including versions 1.4.65 and later, which may affect the performance of the HDMI-For example, after the software update in 2023, the audio settings menu changed, causing confusion among many users, and we updated all screenshots and menu paths for the latest versions of the software.

1. Which one. HDMI-cable is needed for Xiaomi Mi TV 4S?

Not only does the stability of the connection depend on the choice of cable, but the maximum resolution supported as well. - Xiaomi TV 4S (model 43" L43M5-5ASR, 50" L50M5-5ASR, 55" L55M5-5ASR etc.) equipped with ports HDMI 2.0, This allows you to transmit a signal to 4K@60Hz supportive HDR10. However, not every cable can do this.

Here are the key selection criteria:

• 🔌 Version. HDMI: Minimum - High Speed HDMI (category 2), but for 4K HDR Premium Certified or Ultra High Speed HDMI (for future upgrades).
• 📏 Length: Up to 3 meters - without a signal amplifier, over 5 meters - only active cables with a chip-amplifier.
• 🛡️ Protection: Aluminum or nylon overflow prevents interference from other devices (e.g. router or microwave).
• 🔄 Direction: The cable must have "Source" and "Display" tags, which can be confused, but this increases the risk of interference.

Note that low-cost cables without certification can cause screen flickering or signal loss at high resolutions. PS5 or NVIDIA Shield to Xiaomi 4S Through uncertified cable, images can be “break” in dynamic scenes.

⚠️ Note: If you are connecting the sound bar or AV-receiver HDMI ARC, You need a cable marked "ARC-compatible" or "eARC" (for Dolby Atmos). HDMI 2.0 may not transmit sound back to soundbar.

2 Where are they located? HDMI-port on Xiaomi 4S?

The 43 and 50 ports are on the right side panel (when viewed from the back), and the 55 and 65 ports are on the back at the bottom left.

To avoid confusion, remember:

• 🎮 HDMI 1 (ARC): For sound panels or receivers.
• 🕹️ HDMI 2: Optimal for gaming consoles (PS5, Xbox Series X).
• 💻 HDMI 3: Universal port for PCs, laptops, TV-boxing.

If you can't see the ports on the back, check the plastic plug on the sidebar, which is sometimes glued to the 2020-2021 models and visually hides the connectors.

3. Step-by-step instruction: how to connect the device to HDMI

The connection process takes no more than 5 minutes, but there are nuances that even experienced users miss.

1. Turn off the TV and the connected device (set-top box, PC, etc.) and prevent power surges that can damage ports.
2. Put the cable in. HDMI-port on the TV and the device. Make sure the connector is locked in, you can hear the click.
3. Turn on the signal source first (like the console), then the TV, a rule that is especially important for Xbox and PlayStation.
4. On the Xiaomi remote, click the Source (or Input) button and select the appropriate one. HDMI-port.
5. If the image does not appear, go to Settings → Devices and accessories → HDMI-Enter and select Auto mode or "PC" (computer-based).

For game consoles (PS5, Xbox Series X/S) extra:

• 🎮 Enable Game Mode in the settings of the TV (Settings) → Picture → Image modes → Playing).
• 🔄 Set the console's permission to 2160p (4K) and frequency 60 Hz (for Xiaomi) 4S It's optimal).
• 🔊 Check the sound settings: select HDMI Bitstream (for Dolby Digital).

If there is no sound after connecting, but the image is there – go to Settings → Sound. → Sound output and select HDMI ARC (if the sound bar is connected or internal speakers (if the sound must come from the TV).

⚠️ Note: When connecting a MacBook or PC with a discrete graphics card, you may need to manually set the resolution 3840×2160 customized Windows/macOS. Automatic mode sometimes chooses to 1080p, quality-degrading.

4.Tune in. HDMI-Ports: hidden features of Xiaomi 4S

Xiaomi TVs 4S They have several “hidden” settings. HDMI, These parameters affect image quality, input delay and device compatibility.

1. Mode. HDMI CEC (Controlling multiple devices from one remote):

• 🎛️ Included in Settings → System system → Management HDMI (CEC).
• 🔄 Allows you to turn on the TV with the Power button on the console console (for example, Xiaomi Mi Box).
• ⚠️ There may be a conflict with Samsung devices or LG — In that case, turn it off. CEC.

2. Color correction for HDMI (Important for PC and console):

• 🎨 Go to Settings. → Picture → Additional settings → Color mode.
• 🖥️ For PC, select "RGB", console — "YCbCr444" (better transmits gradients).
• 🔍 If the colors appear to be faded, turn on "Extended Dynamic Range" (HDR).

3. Sound delay setting (relevant for soundbars):

• 🔊 B Settings → Sound. → Sound delay set the value from 0 ms to 250 ms.
• 🎬 For movies, 100-150 ms is enough, for games - 0-50 ms.

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After the connection NVIDIA Shield or Apple TV 4K The TV reboots – turn off the “Dolby Vision” option in the device settings. 4S supports HDR10, And trying to pass Dolby Vision is causing a failure.

Typical problems and their solutions

Even with the right connection, there can be failures, and we've collected some of the most common errors and ways to fix them:

If the TV does not respond to the connected device:

1. Try another one. HDMI-port.
2. Connect the device to another TV or monitor to help you determine what the problem is.
3. Reset the settings. HDMI on TV: Settings → Devices and accessories → Reset HDMI.

⚠️ Note: If you have connected to Android TV (For example, Xiaomi Mi Box S) TV gives an error "Unsupported format" - update the TV firmware to version 1.4.65 or later. VP9 Profile 2.

6. Image optimization for different devices

The settings should vary depending on what you plug in, and here are some recommendations for popular scenarios:

For game consoles (PS5, Xbox Series X):

• 🔄 Turn off post-processing ("Movement is smooth" and "Noise Cancel") - they add a delay.

For PC/laptops:

• 🖥️ In the graphics card drivers (NVIDIA/AMD) select the color format RGB (Not YCbCr).

For media players (Apple) TV, NVIDIA Shield):

• 📺 Turn off "Motion Processing" - it spoils the movie with a frequency of 24 frames / s.

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Minimize delays in gaming (input lag) on Xiaomi 4S The best combination: Game Mode + RGB-format + It's the noise cancellation that's turned off, and then the delay is reduced to ~15 ms (versus 40-50 ms in standard mode).

7. Update firmware for better compatibility HDMI

If you have a Xiaomi Mi TV 4S Released before 2021, it is likely that the current firmware does not support the new standards. HDMI (for example, ALLM Automatically switch to Game Mode. Software update solves most connection issues.

How to update the TV:

1. Go to Settings → About TV → System Update.
2. Click "Check Updates."
3. If a new version is available, download it and install it (the process will take you a while). ~10-15 minutes).

The latest firmware versions (starting with 1.4.65) include:

• 🔄 Support HDMI 2.1 LR (limited) for compatibility with PS5 Xbox Series X.
• 🎮 Automatic Game Mode recognition when connecting consoles.
• 🔊 Corrections for Dolby Atmos sound transmission HDMI ARC.

⚠️ Note: If the sound has disappeared after the update HDMI, Reset the sound settings to factory: Settings → Sound. → Resetting of audio settings. This is due to a change in the structure of audio drivers in new versions of the software.

8. alternative means of connection, if HDMI doesn't work

If HDMI-The port is out of order or you can’t use it temporarily, consider alternatives:

1. Connection by USB-C (modern-day laptop):

• 🔌 Use the adapter. USB-C → HDMI (For example, Baseus or Anker).
• 🖥️ Make sure that the laptop supports video output USB-C (Check the model specifications).
• ⚡ Connect the adapter to charge – some models require additional power.

2. Wireless transmission (Miracast/AirPlay):

• 📱 For Android: Turn on Miracast in your TV settings (Settings) → Connections → Miracast).
• 🍎 For iPhone/iPad: Use AirPlay (Apple required) TV or TV with AirPlay support 2).
• ⚠️ Delay in connection with this ~50–100 ms – not suitable for gaming.

3. Composite (AV) component-input:

• 📺 Suitable for older devices (DVD-Players, retro consoles).
• 🔌 Xiaomi. 4S adapter HDMI → AV (For example, Portta PET0301S).
• 📉 Image quality will be limited 480i/576i.

If you choose between buying a new one HDMI-If you use cables and alternative methods, consider that the quality and latency of wireless transmission or through adapters will be worse. 4K HDR Only direct communication is suitable for HDMI.

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If you urgently need to duplicate the screen of the smartphone on Xiaomi 4S, no HDMI-cables - use the Mi Screen Mirroring app (available for Android). ~1 second, but for presentations or viewing photos, this is enough.

FAQ: Frequent questions about HDMI Xiaomi 4S