Installation HD Videobox on the Xiaomi Mi TV TV 4S: Complete guide with photos and tips

Connection HD Videobox for the Xiaomi Mi TV TV 4S It offers access to advanced multimedia capabilities, such as watching high-resolution movies, streaming from external devices, and even playing console projects, but many users face compatibility issues, incorrect image display or lack of sound. This article will help you avoid typical errors and set up your equipment the first time.

Model Mi TV 4S (The series was released from 2018 to 2021 and supports most modern video formats, but has nuances with the recognition of signals from external consoles. We will analyze all the stages – from the selection of cable to fine-tuning the permissions, and also give recommendations for optimizing performance for gaming or theater at home.

We will pay special attention to the regime. HDMI-CEC, which allows you to control Videobox from the Xiaomi remote, and problems with audio delay when connecting through AV-All instructions tested on firmware. MIUI TV 2.0–3.5 and relevant for consoles based on Realtek RTD1295/1296 and amlogic S905X.

1. Compatibility of Xiaomi Mi TV 4S s HD Videobox: What you need to know before buying

Before you purchase a console, check its specifications for compliance with the capabilities of your TV. TV 4S It was produced in three modifications:

• 📺 43″ (L43M5-5AIN) — permit 3840×2160, 3 port HDMI (1×2.0, 2×1.4)
• 📺 50″/55″ (L50M5-5AIN/L55M5-5AIN) — 3840×2160, 3 port HDMI (2×2.0, 1×1.4)
• 📺 65″ (L65M5-5AIN) — 3840×2160, 3 port HDMI (everything 2.0)

Key parameters for compatibility with Videobox:

⚠️ Note: If your videobox supports 4K@60Hz, But the TV is connected through HDMI 1.4, Maximum permission will be limited. 4K@30Hz or 1080p@60Hz. Check the port markings on the back of the Mi TV 4S — marking-port ARC most modern.

For gamers, the Input Lag parameter (entry delay) is critical. TV 4S show ~15 pr 1080p@120Hz and ~25 pr 4K@60Hz. If your console supports you ALLM (Auto Low Latency Mode, activate this function in the settings HDMI.

2.Cable selection HDMI: Why cheap can ruin the picture

About 40% of Videobox connectivity problems are due to poor quality cables. - Xiaomi Mi TV 4S sensitive to interference, especially when transmitting a signal 4K HDR Or Dolby Vision. These are the key criteria for choosing:

• 🔌 Certification: Look for Premium Certified or Ultra High Speed labels (for the first time) 8K). Cables without certification can “sink” at a length of more than 2 meters.
• 📏 Length: Optimally 1–1.5 m Cables longer than 3 m require an active signal amplifier.
• 🔄 Version: For 4K@60Hz need HDMI 2.0, for 8K or 4K@120Hz — HDMI 2.1.
• 🛡️ Screening: Double overflow + Foil (Double Shielded) protects against interference from Wi-Fi routers.

⚠️ Caution: Cheap cables with gilded connectors often have thin veins (30–28) AWG), And that leads to artifacts at high resolutions. Check the thickness of the wire -- optimally 26 to 24. AWG.

If after connecting Videobox picture "blinks" or appear colored squares, try:

1. Reconnect the cable to another HDMI-TV port (preferably marked) HDMI 2.0).
2. Reduce the permission to the prefix to 1080p check stability.
3. Shut down. HDR Videobox settings (sometimes Mi) TV 4S mishandling metadata HDR10).

💡

If you have a few HDMI-devices (confix, soundbar, game console), use HDMI-Switch with support for 18 Gbps This will prevent overheating of TV ports with frequent switching.

3. Step-by-step instruction: connection and initial setup

Before starting, make sure that:

The TV and Videobox are off from the outlet|

Used by certified HDMI-cable|

Port port HDMI not damaged on the TV (no bent contacts)|

Videobox has the latest version of the firmware installed-->

Follow the algorithm further:

1. Physical Connection: Connect Videobox and Mi TV 4S HDMI-Connect the power to the console (use the original power supply!). If Videobox requires internet, connect Ethernet or set up Wi-Fi.

Activation of devices:

First, turn on the Videobox, then the TV. TV 4S If the screen is black, press the button on the Xiaomi remote. SOURCE (or INPUT) and select the appropriate HDMI-port.

Permission setting:

On Videobox, go to Settings → Display. → Screen resolution. For Mi. TV 4S recommend:

4K (3840×2160) @ 60 Hz


Color format: YCbCr 4:4:4 (for text) or 4:2:2 (for video)




Color depth: 10 or 12 bits (if the TV supports)

Activation. HDMI-CEC:

To control the videobox from the Xiaomi remote:

1. On TV: Settings → System system → Management HDMI (CEC) → Included.
2. On Videobox: Find the option HDMI Control or AnyNet+ And activate it.

⚠️ Warning: If after connecting Videobox TV gives an error "Unsupported format", try manually set the console resolution 1920×1080@60Hz color-spaced RGB. This will solve the problem temporarily, but for the fullest possible purpose. 4K You will need to update the TV firmware.

4. Image optimization: color, contrast, HDR

Xiaomi Mi TV 4S It has good color rendering out of the box, but Videobox will require calibration. Start by choosing the right picture mode:

• 🎬 Movie Mode (minimum processing, natural colors).
• 🎮 Game mode (minimum latency, increased brightness).
• 📺 Streaming: Standard Mode (balance between brightness and detail).

For fine tuning:

1. Open a video test with gradients on Videobox (for example, on YouTube, search for the video "4K HDR Test Pattern").
2. On the TV, go to Settings. → Picture → Adjust: Brightness: 45-50 (to make the details visible in dark scenes); Contrast: 85-90 (but not higher, otherwise light details will be lost); Color temperature: Warm (6500K) for film, neutral for games, sharpness: 0-10 (high values add artifacts).

Local Dimming

For HDR-content:

• In the Videobox settings, select HDR10 Dolby Vision (if supported).
• On the TV, activate Settings. → Picture → HDR → Automobile.
• If the picture is too dark, increase the brightness. HDR up to 55-60.

⚠️ Attention: When viewing HDR-Content through Videobox Mi TV 4S It can automatically turn off some image processing functions (e.g. Motion Clarity) and this is normal because the TV provides minimal latency.

💡

For perfect color rendering, use the calibration settings from rtings.com for the Xiaomi Mi model TV 4S. You can find them by requesting Xiaomi Mi. TV 4S calibration settings".

5. Sound tuning: why there's no sound or there's a delay

Sound problems when connecting Videobox to Mi TV 4S This is usually due to mismatch of audio formats or improper signal routing:

For optimal setting:

1. On Videobox, select Settings → Sound. → Exit HDMI → Auto (or) PCM).
2. If you use AV-Receiver, install Bitstream and select supported formats (e.g. Dolby Digital)+).
3. On TV, turn off all sound effects: Settings → Sound. → Effects. → Off..
4. For gaming, activate Game Sound mode in the Mi sound settings TV 4S.

⚠️ Note: If you connect Videobox through AV-receiver, and then to the TV, make sure the receiver supports HDMI 2.0 and HDCP 2.2 Otherwise Mi. TV 4S can block the output 4K-Content protection from copying.

6. Solving common problems

Even with the right connection, there can be problems. Here are the proven solutions for Xiaomi Mi TV 4S:

• 🔄 Picture blinks or disappears: Try another one HDMI-cable (possibly damaged shield layer) Turn off the Videobox Deep Color (if enabled) Reduce the resolution to 1080p and check for stability.
• 🔊 Sound interrupted: Turn off Wi-Fi on Videobox (interference from router can affect your Wi-Fi experience) HDMI). Set a fixed refresh rate (e.g. 60 Hz instead of Auto).
• 🎮 Delay in games: Activate Game Mode on your TV. Turn off post-processing: Settings → Picture → Motion Clarity → Off, use the cable. HDMI 2.1 with support VRR (if the prefix supports).
• 📶 Videobox does not connect to Wi-Fi: Check if Videobox supports 5GHz networks (some budget models only work at 2.4GHz).

If after updating the firmware Mi TV 4S I stopped seeing the videobox:

1. Reset the settings. HDMI on TV: Settings → System system → Reset → Reset the settings HDMI.
2. Update the firmware Videobox (download the current version from the official website of the manufacturer).
3. Try to connect the console to another device (monitor, projector) to exclude its malfunction.

7. Additional features: how to squeeze the maximum out of the connection

In addition to the basic setup, Xiaomi Mi TV 4S and HD Videobox can offer advanced features:

• 🖥️ PC Mode: If you connect Videobox as a media center, activate PC mode on your TV: Settings → Picture → Screen mode → PC. This will turn off signal processing and reduce latency.
• 🔗 Miracast/Wi-Fi Direct: Some Videobox models support wireless screen transmission. To connect: On Videobox, activate Miracast or Wi-Fi Display. On TV: Settings: Settings → Network → Wi-Fi Direct and select your device.

⚠️ Delay in connection with this ~50–100 ms, which is critical for gaming.

Voice control:

If your Videobox supports Google Assistant, connect it to the same account as Mi. TV 4S. Then voice commands from the Xiaomi remote will work for the console.

Automatic switching of sources:

Turn on the TV settings: Settings → System system → Auto-switching HDMI → Now, when you turn on Videobox, the TV will automatically switch to its signal.

For movie lovers: if your Videobox supports Dolby Atmos, but Mi TV 4S It sounds like a stereo, check it out:

1. Is the TV connected to the soundbar or AV-receiver HDMI ARC.
2. Is Passthrough enabled in the TV sound settings (direct signal transmission).
3. Is the TV firmware updated (old versions had an error with Atmos decoding).

8. Alternative ways of connecting (if HDMI does not work)

Rarely. HDMI-port TV 4S It may be corrupted or incompatible with Videobox:

• 🔴 Composite (RCA): Suitable for old videoboxes without HDMI. The quality will be 480i/576i. Connect the cable to the port AV IN On the TV and select the source AV.
• 🔴🔵🟢 Component (YPbPr): Permits before 1080p, But you need a special cable. On the TV, select the Component source.
• 📡 Wi-Fi (DLNA/UPnP): If Videobox supports network streaming, connect both devices to the same Wi-Fi network and use the Mi app. TV Video for viewing content.
• 🖥️ USB (for media files: Copy movies on a flash drive and connect it to USB-The port of the TV. TV 4S format-support MKV, MP4 and TS codeced H.265.

⚠️ Note: When connecting via Composite or Component, configure the correct region on Videobox TV-signal (PAL for Russia/Europe, NTSC For the US/Japan region, regional disparity will result in black and white imagery.

If you use AV-Receiver in the Videobox chain → Receiver → TV, make sure the receiver supports HDMI 2.0 and HDCP 2.2 Otherwise Mi. TV 4S may not show 4K-Content due to copyright restrictions.

FAQ: Frequent questions about connection HD Videobox for Xiaomi Mi TV 4S