How to set up a Xiaomi Mi TV TV 4S 55 inches: A complete guide from connectivity to fine-tuning

Xiaomi Mi TV TV 4S 55 — One of the most popular smart TV In the budget segment, combining quality LED-permission panel 3840×2160 (4K), Amlogic processor and Android operating system TV 9.0. However, even after unpacking, many users are faced with questions: how to connect the device correctly, optimize the picture for specific lighting or adjust the sound for a home theater. This article will help you understand all the nuances – from the basic setting after the first turn on to hidden functions that are not written in the official instructions.

Feature of the Mi TV 4S 55 - hybrid interface, where the corporate shell is intertwined MIUI TV and the standard Android menu TV. This gives you flexibility, but it also makes it harder to find the right parameters, and we structured the material so that you can quickly move to the section of interest, whether it's setting up Wi-Fi, calibrating color, or connecting a game console. And for those who prefer visual instructions, the key points are the paths to the menu in the Settings format. → Section → Subsection.

Important: if you have updated the firmware to the latest version (at the time of 2026 — MIUI TV 3.0.18), some menu items may differ from those described, in which case use the search by settings (the Loop button on the remote) or check the relevance of the information in the section FAQ end-of-article.

First Installing and Basic Setup

After the power connection, the Xiaomi Mi TV TV 4S 55 will automatically trigger the Initial Setup Wizard, which takes 5-7 minutes and involves language selection, networking, and account settings:

• 🌍 Language selection: Chinese and English are available by default. Russian is available, but you need to scroll down the list. If you don't have Russian, update your firmware (instructions in the section below).
• 📶 Wi-Fi Connection: The TV supports dual-band (2.4GHz and 5GHz), but for stable Android TV You should choose a 5 GHz network. If the signal is weak, use it. LAN-port (located on the back panel).
• 👤 Accounts: The system will offer to sign in to Google Account and Mi Account. The first is for accessing Google Play and synchronizing data, the second is for Xiaomi branded services (for example, Mi Home). → Accounts.
• 📺 Set up on-air TV: If you plan to watch digital TV (DVB-T2), connect the antenna to the connector RF IN And follow the master's instructions. Cable TV may require manual channel search.

After the setup wizard is complete, the TV will offer you to install recommended applications (for example, Netflix, YouTube, Prime Video). TV 4S 55 is only 8 GB, of which the user is available about 4-5 GB. So install only the necessary applications and the rest can be run through Google Cast from your phone.

⚠️ Warning: If the TV is stuck on the Mi logo for more than 10 minutes after the first turn on, do not try to pull the power cord.This can damage the firmware. Instead, press and hold the Power button on the remote for 15-20 seconds until forced reboot.

Image setting: color, contrast, modes

Image quality on Xiaomi Mi TV 4S 55 is not only dependent on the source content, but also on the right display settings. By default, the TV uses Standard mode, which is suitable for most scenarios, but is not optimal for movies or games:

The main image modes

Go to Settings. → Display and sound → Image modes. 4 pre-profiles are available here:

• 🌞 Standard: Balance between brightness and naturalness, suitable for daytime viewing.
• 🎬 Movies: Lower brightness and warm tones for comfortable watching movies in a dark room.
• 🎮 Minimum Delay in Entry (Input Lag) ~15 ms), increased contrast.
• 💡 Energy saving: Reduces brightness and saturation to save electricity.

Manual calibration

For fine-tuning, go to Settings. → Display and sound → Additional settings → Color. You can adjust it here:

• 🔘 Color temperature: Optimal value - Warm (6500K) for the film or neutral (7500K) play-off.
• 🎨 Saturation: Default 50. Reduce to 40-45 for realistic image.
• ⚖️ Contrast: Depends on the lighting: 80-90 in the daytime, 60-70 in the evening.
• 🔄 Dynamic contrast: Better to disable (Off), as it distorts dark scenes.

To check your settings, use YouTube test videos (such as RTINGS.com's calibration videos). If the picture appears blurry, check Sharpness in the same menu - the optimal value is 5-10 (often 50 by default, which adds artifacts).

⚠️ Note: If after changing the settings, the image became "soapy" or color spots appeared, reset the display parameters to the factory: → Display and sound → Resetting image settings. This often happens when you manually calibrate without test patterns.

💡

For a viewing. HDR-Content (e.g. on Netflix) Enable Mode HDR10 In Settings → Display and sound → Dynamic range. Without that, the colors will be dim, even if the source supports it. HDR.

Connection of external devices: consoles, sound systems, flash drives

Xiaomi Mi TV 4S 55 three-ported HDMI 2.0 (supportive ARC), two-way USB 2.0, optically S/PDIF and headphone jack 3.5 Let’s consider the nuances of connecting popular devices:

Game consoles (PS5, Xbox Series X)

For minimum input delay (input lag):

1. Connect the console to the port HDMI 1 (he supports) ALLM — play-play).
2. In the settings of the TV, select Settings → Display and sound → Regime. HDMI → Playing.
3. On the console, turn on the output. 4K @ 60 Hz. RGB (not YUV420).

Sound systems (soundbar, receiver)

If you are using external acoustics:

• 🔊 For the soundbar with HDMI ARC: Connect him to the port. HDMI 3 (ARC) and turn on the settings. → Sound. → HDMI ARC → On..
• 🎵 For an optical input receiver: use the port S/PDIF and select Settings → Sound. → Digital audio output → Auto (PCM).
• 🎧 For headphones: connect them to a 3.5mm connector or use Bluetooth (in the Settings menu) → Bluetooth and devices).

Flash drives and hard drives

The TV supports formats FAT32, NTFS ExFAT, but there are limitations:

• 📁 Maximum file size per FAT32 — 4GB. For movies in 4K use NTFS.
• 🎬 For reproduction MKV or MP4 subtitled, install the player VLC Or Kodi from Google Play.
• 🔋 Hard drives require additional power (the TV does not provide enough current through the USB).

Choose the right one HDMI-port (ARC sound-wise, HDMI 1 for games)|Check the file system format (NTFS large-file)|Set up an audio output (PCM for optics, Auto for ARC)|Update the firmware of the console / TV for compatibility-->

Sound setting: equalizer, bass, spatial sound

Built-in speakers Xiaomi Mi TV 4S 55 (2 × 8 W) provide average sound quality, but with the right settings, you can significantly improve the perception. → Sound:

Equalizer and sound effects

To access manual settings:

1. Select Settings → Sound. → equalizer.
2. Activate User Mode.
3. Adjust sliders: 100Hz: +3-5 dB for bass. 1 kHz: 0 dB (neutral speech range). 10 kHz: +2 dB for high frequency clarity.

Sound modes

Depending on the content, select one of the preliminary profiles:

• 🎤 Standard: Balance between speech and music.
• 🎥 Cinema: Enhanced bass and medium frequencies for film sound.
• 🎶 Music: Expanded Dynamic Range.
• 🗣️ Speech: Suppresses background noise for news and broadcasts.

To improve spatial sound, turn on Settings → Sound. → Virtual surround: This feature simulates surround sound through front speakers, but works more effectively only in small rooms (up to 20 m²).

⚠️ Warning: If the sound is lost when switching sources (for example, from the HDMI on TV), Check the settings settings → Sound. → Automatic audio output switching. It must be on (On.).

Network and Smart Features: Wi-Fi, Google Cast, Voice Search

Android operating system TV 9.0 in Mi TV 4S 55 provides access to thousands of applications, but it's important to set up the network and sync correctly to make them work:

Optimizing Wi-Fi and Wireless Connection

If the TV is slowing down while watching 4K-content:

• 📶 Reconnect to a 5GHz network (if the router supports it).
• 🔌 Use it. LAN-cable (speed up to 100 Mbit / s).
• 📡 In the router settings, fix MAC-fixed-point IP.
• 🔄 Turn off the background download of updates: Settings → Annexes → Auto-update → Only on Wi-Fi.

Google Cast and Screen Mirroring

To broadcast the screen of the smartphone:

1. Make sure your phone and TV are connected to the same network.
2. On the TV, turn on Settings. → Devices and connections → Google Cast → On..
3. On your smartphone (Android) open Settings → Connected devices → Broadcast the screen and select Mi TV 4S.

For iPhone, use the Google Home or ApowerMirror app.

Voice search and assistant

The TV supports voice input via remote (Microphone button) or external devices (e.g. Google Nest Mini) to activate:

1. Press the Microphone button on the remote and make a request (e.g., "Put Netflix on").
2. To connect Google Assistant, go to Settings → Accounts. → Google → Assistant settings.

Important: In firmware older than 2023, voice search in Russian is not working correctly - only English commands are recognized.

💡

For stable operation of Smart-functions, turn off energy-saving mode in Settings → Power supply → Standby regime → Quick start.This will prevent Wi-Fi connection breaks after downtime.

Update firmware and reset settings

Regular firmware updates fix bugs, add new features, and improve compatibility with external devices, and it is recommended to check the relevance of the software every 2-3 months.

Automatic update via the Internet

1. Go to Settings → About TV → System Update.
2. Click Check for updates.
3. If a new version is available, confirm the download and installation.

It takes 10 to 15 minutes, and the TV will reboot automatically.

Manual update via USB

If the automatic update does not work:

1. Download the latest firmware from the official Xiaomi website (select the Mi model) TV 4S 55).
2. Unpack the archive and copy the update.zip file to the flash drive (FAT32 format).
3. Put the flash drive in. USB-TV port and go to Settings → On TV. → Update through USB.

⚠️ Note: If the TV turns off during the upgrade (for example, due to a power outage), it may stop turning on. In this case, you will need to flash through the Fastboot using a PC and cable. USB-A → USB-A (Instructions are available on forums 4PDA).

Reset to factory settings

If the TV started to brake or there were errors in the application, reset:

1. Go to Settings → About TV → Reset settings.
2. Select Full Reset (will remove all apps and accounts).
3. Confirm the action with a password from Mi Account (if tied).

Hidden functions and life hacks

In addition to the standard settings, in Xiaomi Mi TV 4S 55 There are a few hidden features that will improve the experience of using:

Regime for children and parental control

To limit access to content:

1. Go to Settings. → Parental control.
2. Install. PIN-code (default 0000 or 1234).
3. Set time limits or block applications.

Using TV as a monitor for PC

To connect to a computer:

• 🖥️ Through HDMI: Select a mode. PC In Settings → Display and sound → Regime. HDMI scaling.
• 🔄 Through Miracast: On PC (Windows) 10/11) press Win + K and choose Mi. TV 4S.

Accelerating Android TV

If the interface is slowing down:

• 🧹 Clear the cache: Settings → Annexes → All applications → Select an application → Clear the cache.
• 🗑️ Remove unnecessary applications (especially those that run automatically).
• 🔄 Turn off animation: in Settings → About TV, press 5 times on the version MIUI TV, Then in the menu that appears, select Animation. ×0.5.

For advanced users, if you are confident in your actions, you can get root access through Magisk and disable unnecessary system services, but this cancels the warranty and can lead to unstable work.

Frequently asked questions