Xiaomi TV 4S: Instructions for use from connection to hidden functions

Xiaomi Mi TV TV 4S — One of the most popular smart TVs on the market due to the combination of price, picture quality and functionality based on Android TV. However, even experienced users have questions: how to properly connect the device, adjust the sound to the acoustics of the room or restore work after a failure. This article will not just list the buttons on the remote – we will analyze the unique features of PatchWall firmware that are absent in standard Android. TV, We will show you how to avoid common setup errors (for example, why the TV doesn’t see 5GHz Wi-Fi or why the sound disappears when connected via a computer). HDMI).

Unlike the general instructions, here you will find specific solutions for the model. 4S (including versions 43, 50, 55 and 65.We tested all of the methods described on firmware. MIUI TV 2.0 and newer, so the instructions are valid for 2026. If you're just unpacking your TV or you're experiencing unexpected behavior, read on.

Set and first inclusion: what to check

Before connecting Xiaomi Mi TV 4S Make sure that the box contains all the components:

• 📺 TV itself (model is indicated on the sticker at the back, for example) L43M6-6ARS)
• 🎮 Remote control with microphone (important: in some games there is a simplified remote control without voice control)
• ⚡ Power supply (voltage) 100-240V, check the socket compliance)
• 📶 Antenna cable (if you bought a set with a TV tuner)
• 📄 Warranty card and brief instructions (in 8 languages, but without details)

Pay special attention to the power cable: Xiaomi 4S It's not removable, so if you get damaged, you'll have to go to the service, and check if there's any broken pixels on the screen, turn on the TV and run a uniform color test video (e.g., on YouTube, type "dead pixel test" into the video").

When you first turn on, the TV will prompt you to select a language, connect to Wi-Fi and log into your Xiaomi account (optional, but it gives you access to cloud functions), where many users encounter the error “failed to connect to the network” – usually this means that the router is running in mode. 802.11n (decision only 2.4 GHz:

⚠️ Warning: If the TV doesn't see your Wi-Fi network, check your router settings. - Xiaomi 4S Does not support 40 MHz channel width networks in the 2.4 GHz band – set 20 MHz or switch to 5 GHz (if the router is dual-band).

Once you've set up the system successfully, the TV will offer a firmware update. Don't miss this step -- new versions have Dolby Vision-enabled bugs fixed and Google Play-enabled, but if you're on a slow Internet connection, you'd better download the firmware to your computer in advance and upgrade through the Internet. USB.

Television control: remote, voice and mobile app

Xiaomi Mi remote control TV 4S It's a minimalist design, but it hides a few useful features:

• 🔍 Search – Quick Content Search (Works with YouTube, Netflix, Prime Video)
• 🎤 Microphone – voice input (supports Russian, but works better with English)
• 📺 Live TV — Quick access to TV (if the tuner is connected)
• 🔄 Back + Home – Holding both buttons for 5 seconds triggers reset menu

Voice control works through a built-in microphone in the remote or through the Google Assistant button (if the TV is connected to a Google account).

"Play The Lord of the Rings on Netflix"


"Rise the volume to 50 percent."




Show us the weather in Moscow for tomorrow.

To control from the phone, install the official Mi application TV Remote (available for Android and iOS:

• 📱 Use your smartphone as a touchpad or remote
• 🔊 Adjust the volume of gestures
• 📁 Transmit files (photos, videos) to the TV over the local network

⚠️ Note: If the app doesn't find the TV, make sure both devices are connected to the same Wi-Fi network. Also check if the TV settings have "Mi Home App Permission" enabled. → The device → General. → Mi Home Permissions).

💡

So that the remote is not lost, attach a key fob to it with a LED-backlighting – buttons will be visible in the dark, and the remote will not fall behind the sofa.

Connecting devices: HDMI, USB and wireless

Xiaomi Mi TV 4S three-ported HDMI 2.0 (supportive ARC for sound systems, two USB 2.0, optically S/PDIF And the antenna connector, and when you connect external devices, you should consider the following nuances:

• 🎮 For game consoles (PS5, Xbox Series X: Use the port HDMI 1 — supports ALLM (automatic play mode) and 4K@60Hz
• 💻 When connecting a laptop through HDMI The sound may not work – check the audio output settings on the laptop (select HDMI audio)
• 📁 Format flash drives and hard drives into FAT32 or NTFS — exFAT is not supported
• 🔊 For soundbar or receiver, use port HDMI ARC (It transmits sound from the TV back to the audio system)

For wireless connection available:

• 📶 Wi-Fi 802.11ac (dual antenna, but the speed is limited by the processor ~300 Mbps)
• 📱 Miracast (screen transfer from Android-smartphone without lags)
• 🍎 AirPlay (for firmware-only models) MIUI TV 3.0+, requires an Apple account ID)

To connect the smartphone to Miracast:

1. On TV: Settings → Connection and sharing → Wireless display
2. On your smartphone: turn on "Screen Transfer" (on Xiaomi - Settings) → Connection and sharing → Screen transmission)
3. Select your Mi from the list TV 4S

Image setting: calibration, HDR and picture modes

Xiaomi Mi TV TV 4S has 4K-screen HDR10 and HLG, But by default, factory settings often overstate brightness and contrast:

1. Go to Settings. → Display and sound → Picture
2. Select Mode "Film" (most accurate color reproduction)
3. Turn off Dynamic Contrast and Motion Improvement (they add artifacts)
4. Adjust the color temperature to "Warm" (more natural skin tones)

To calibrate brightness, use a test video with gray bars (for example, this is on YouTube). You should see all shades from black to white without "merging." If the dark scenes are too dark, increase "Brightness" by 5-10 unit.

For inclusion HDR:

• In the settings of the picture activate "HDR" and "Dolby Vision" (if available)
• In signal sources (such as Netflix or YouTube), select tagged content. HDR
• Make sure that HDMI-cable HDR (usually come with consoles or 4K-player)

⚠️ Attention: When viewing HDR-And the content in a dark room might seem like the screen is too dim — HDR It keeps the details in dark areas. Don't raise the brightness above 50 percent, or you'll lose the effect.

It's important for gamers to turn off the input delay.

1. Go to Settings. → The device → General. → Game mode
2. Turn on "Game Mode" (reduces the lags to 10-15 miss)
3. Turn off all post-processing ("Motion Improvement", "Noise Reduction")

Establish the “Film” mode"|

Deactivate "Dynamic contrast"|

Set the temperature of the color "Warm"|

Activate Local Dimming (if available)|

Check on the switch. HDR spring-water-->

Sound and acoustics: setting up for your room

Xiaomi Mi TV 4S powered by two speakers 8W × 2, which is enough for a small room, but for a home theater, you'll need external acoustics. → Display and sound → Sound.

Basic parameters:

• 🔊 "Sound mode: Select Film for surround sound or News for clear speech
• 🎛️ "Equalizer: increase 100 Hz for bass or 2-5 vocalist
• 🔄 "Auto Volume: Turn off if the sound changes too much between channels
• 🎧 "Audio output: select HDMI ARC Or Optical for external acoustics

If you connect the soundbar or receiver through HDMI ARC:

1. Turn it on. HDMI CEC in the settings of the TV (Settings) → The device → HDMI CEC)
2. On the soundbar, activate the mode ARC (Usually by the Input or Source button)
3. Check that the cable HDMI supportive ARC (should be labeled on the package)

To improve the sound of the built-in speakers:

• 🔇 Place the TV in a distance 10-15 See the wall (otherwise the bass will be deaf)
• 📏 Use a wall mount with a downward slope (sound is better spread towards the listener)
• 🎵 Turn on "Dolby Audio" in the sound settings (not available in all regions)

⚠️ Note: When connected via Optical (TOSLINK) TV doesn't stream Netflix and Amazon Prime because of the DRM-- Use the constraints. HDMI ARC for these services.

💡

For better sound, turn off all the sound enhancers in the settings -- they add distortion. Use external acoustics or adjust the equalizer manually.

Update firmware and reset settings

Regular firmware updates fix bugs, add new features (e.g. Disney support)+) You can check the current version at Settings. → About TV, last stable version at 2026 — MIUI TV 3.2.15.

Refreshment methods:

1. By air (OTA): Go to Settings. → On TV. → System Update Click "Check Updates" If an update is available, confirm installation
2. Through USB: Download the firmware from the official Xiaomi website (select the Mi model) TV 4S) Unpack. ZIP-archive and copy the file update.zip flash-drive (FAT32) Insert the flash drive into the TV and select Settings → On TV. → Update through USB

If the TV freezes, does not turn on or there are errors after the update, reset:

• 🔄 Soft reset: Settings → On TV. → Resetting settings (saves applications but resets settings)
• ⚡ Hard reset: Hold the Power button on your TV for 10 seconds (full reset to factory settings)
• 🔧 Reset via service menu: on the TV turned off, press Menu on the remote and Power button on the TV (the hidden menu will open)

Hidden features and life hacks for Xiaomi 4S

Xiaomi Mi TV 4S It has several hidden features that are not mentioned in the official instructions:

• 🎬 Mode of the cinema: in the picture settings, select "User" and set: Contrast: 45 Brightness: 50 Saturation: 40 Sharpness: 0 This will bring the picture closer to the standards DCI-P3.
• 🔒 Children's mode: Settings → The device → Parental controls: You can block specific apps (like YouTube) by time.
• 📡 Antenna as Wi-Fi amplifier: if you connect a USB-Wi-Fi adapter (for example, TP-Link) TL-WN725N) port USB, The TV will catch the signal better.
• 🖥️ Monitor mode: when connecting to the PC through HDMI Select the Windows permission settings 3840×2160 frequency 60 Hz (if available). For 1440p have to use 30 Hz.

To speed up the system:

• 🗑️ Clean the app cache once a month: Settings → Annexes → Application management → Clear the cache
• 🔄 Turn off auto-run of unnecessary apps: Settings → Annexes → Auto-start
• 📵 Remove pre-installed games (e.g. Mi Game Center) if you do not use: Settings → Annexes → Delete

If you don’t have enough memory (at Xiaomi) 4S Only 8 GB of which is available ~4GB), plug in the flash drive and format it as internal memory:

1. Put the flash drive in. USB-port
2. Go to Settings. → The device → Warehouse
3. Select the flash drive and click "Format as internal"
4. After formatting, transfer the application data to the flash drive

💡

To return the factory firmware after an unsuccessful update, download the fastboot file from the official website and thread the TV through your computer using the MiFlash utility.

FAQ: Answers to Frequent Questions