Connecting Xiaomi Mi Box S to TV LG: complete instruction with problem solutions

Xiaomi Mi Box S is one of the most popular Android consoles TV-It's a device that converts a normal TV into a smart media center, but when you connect to a TV. LG (Especially with webOS or outdated models HDMI-Users often face problems: no image, no sound or the console is not defined by the system. In this article, we will discuss all the ways of connecting, from the basic to the basic system. HDMI-Connections before configuring wireless protocols, and solve common compatibility errors.

It is important to note that televisions LG recent years (2018–2026 d.) may have features of working with external devices, for example, automatic settings HDMI-CEC or restrictions on the output of sound through ARC/eARC. We tested the connection on models. LG OLED C2, NanoCell 86 and UK6200, So the instruction is valid for most of the TVs of this brand today. 2016 Please note the section on outdated ports. HDMI.

What is included in the kit Xiaomi Mi Box S and what you need more

Before connecting, check for all components. In the standard Mi Box S box (model) MDZ-22-AB) must:

• 📦 Xiaomi Mi Box S (black or white).
• 🔌 Power supply with cable (voltage) 5V/2A).
• 📺 Cable HDMI 2.0 (usually gray, 1 m long).
• 📄 Short instructions in several languages (Russian included).
• 🎮 Battery-powered remote control AAA (Sometimes batteries are not included in the package).

In addition, you may need:

• 🔄 HDMI-signal extension or repeater if the cable is too short (relevant for wall TVs).
• 🔊 Optical cable (if you plan to output sound through the S/PDIF).
• 📶 Wi-Fi router with support for 5 GHz (for stable streaming) 4K).
• ⚡ USB-Powered hub (if you connect external drives).

Note: Mi Box S power supply is not universal! Using smartphone chargers (even with the same connector) USB Type-C) can lead to unstable operation or overheating of the device. In extreme cases, a power supply from Xiaomi Mi Box 4 or Nvidia Shield will suit. TV similarly.

Step-by-step connection through HDMI: from A to Z

The main way to connect is through the port. HDMI. Follow the instructions to avoid common mistakes:

1. Choose the right one. HDMI-TV port. LG ports are often marked: HDMI 1 (ARC) — Optimal for connecting the sound system. HDMI 2/3 — Standard ports (better to use them). HDMI (MHL) — Outdated standard, not suitable for Mi Box S.

Get the cable on.

Turn on the power.

Mi Box S

Select the source of the signal.

LG

SOURCE

INPUT

HDMI

If the image does not appear:

• 🔄 Reboot the console (press the power button for 5 seconds).
• 🔧 On TV, go to Settings. → All settings → General. → HDMI Ultra HD Deep Color and enable this option for the port you are using.
• 📺 Try another one. HDMI-cables (sometimes cheap cables don't support them) HDCP 2.2. necessary for the 4K).

Critical Feature for TV LG 2017–2019: If the screen flashes after connecting or shows “No signal”, turn off the “Simplink” function in the TV settings" (HDMI-CEC). It may conflict with protocol. CEC prefix.

Setting up the sound: why it is not and how to fix it

One of the most common problems is the lack of sound when the image is working.

For models LG OLED (for example, C1/C2) Additional adjustments may be required:

1. Open on TV Settings → Sound. → Sound output.
2. Choose. HDMI ARC.
3. Enable the eARC Mode option (if available).

💡

If you use a sound bar or receiver, connect them to the TV via port. HDMI ARC, And the prefix to the other. HDMI-This will eliminate conflicts in the transmission of audio.

⚠️ Note: On some televisions LG 2020-2021 when connecting through HDMI 2.1 may be missing Dolby Atmos sound, so the solution is to force the output format to the Mi Box S. PCM or update the firmware of TV.

Wireless ways to connect: Bluetooth, Miracast, AirPlay

If wires are inconvenient, you can use wireless technology, but note that they are not suitable for all tasks:

• 🎵 Bluetooth – only for audio transfer to speakers/earphones (does not support video).
• 📱 Miracast – screen duplication from phone to TV (delays up to 100 ms).
• 🍎 AirPlay – only works with Apple devices (requires TV with webOS 5.0)+).

Bluetooth connection:

1. On the Mi Box S remote, go to Settings → Devices → Bluetooth.
2. Turn on search mode.
3. On TV. LG activate Bluetooth in Settings → Sound. → Bluetooth devices.
4. Select the Mi Box S from the list of devices found.

For Miracast (Duplicate screen Android-smartphone):

1. On the Mi Box S, turn on the Settings option → Screen. → Wireless display.
2. On your smartphone, activate Screen Transfer (in the notification curtain or connection settings).
3. Select the Mi Box S from the list.

⚠️ Note: When using Miracast, video resolution will be limited 1080p, a frame rate is 30 Hz. 4K-Content must be used by you. HDMI.

Solving compatibility issues with TVs LG

Televisions LG Sometimes they conflict with the Mi Box S because of firmware or hardware constraints:

1. Black screen or flashing of the image

Reason: Incompatibility HDMI-protocols HDCP.

• 🔧 Try another one. HDMI-cable (preferably certified by High Speed).
• 📺 Turn it off on TV. HDMI Ultra HD Deep Color for this port.
• 🔄 In Mi Box S, reset your screen settings: Settings → Screen. → Reset to factory.

2. The console is not turned on or constantly restarted

The reason: insufficient nutrition or overheating.

• ⚡ Use only the original power supply.
• 🌡️ Make sure the console is not in a closed space (ventilation is required).
• 🔌 Connect the Mi Box S via USB-Power Hub if you use external devices.

3. No reaction to the DU remote.

Cause: conflict of IR signals or discharged batteries.

• 🔋 Replace the batteries in the remote.
• 📶 Reprogram the remote for TV LG: clamp Home + Back to 5 seconds.
• 🎮 Use the Mi Remote app on your smartphone as an alternative.

Connecting to outdated models LG (until 2016)

Televisions LG 2012-2015 may not be supported HDMI 2.0 or HDCP 2.2. which limits the authorisation to 1080p. Decisions:

• 🔧 Use it. HDMI-converter (e.g., converter, HDMI 2.0 → HDMI 1.4).
• 📺 In the Mi Box S settings, force the permission to be set 1920×1080 frequency 60 Hz.
• 🔊 For sound, use a 3.5mm jack or optical output (if available).

In the models with SCART Mi Box S connection is impossible without an additional converter:

• 📱 Use a smartphone with Miracast or Google Cast support.
• 💻 Connect the laptop through VGA/HDMI And use it as a media center.

💡

For TVs. LG above 2016, the maximum supported permit through HDMI — 1080p. For 4K You will need an upgraded TV or external converter.

Optimizing performance after connection

The Mi Box S is fast and without TV lags LG, perform the following actions:

1. Update the firmware: Settings → The device → Update of the system Updated version at the time of 2026 — MIUI TV 2.0.183 or later.
2. Clear the cache: Settings → Annexes → Application management → Clear the cache
3. Disable unnecessary services: 🚫 Google Play Services for Instant Applications 🚫 Auto-update of applications

Set up energy saving:

Settings → Screen → Sleep mode → Never

This will prevent accidental blackouts.

To speed up the operation of the interface:

• 🎮 Use a voice-controlled remote (e.g. Xiaomi Mi Remote).
• 🖥️ Set up the launcher ATV Launcher or Wolf Launcher to simplify navigation.
• 📁 Move frequently used apps to the Main Screen.

Frequently asked questions