How to connect a Xiaomi phone to an LG TV via Wi-Fi: 3 working methods

Wireless screen sharing with Xiaomi on LG Smart TV opens up new possibilities for viewing photos, videos, and even games on the big screen. However, many users encounter problems: the connection drops, the image lags, or the TV simply doesn't recognize the phone. In this article, we'll look into it. all current connection methods (including hidden settings MIUI And webOS), we will explain why errors may occur and provide a checklist for diagnosing problems.

It is important to understand that the connection method depends on the TV model. LG (was used until 2018) LG Smart Share, after - LG Screen Share) and versions MIUI on XiaomiFor example, on Redmi Note 12 With MIUI 14 the algorithm differs from Xiaomi 13 Ultra on HyperOSWe will look at universal solutions that work on 90% of devices, and also indicate unique combinations for specific models, where standard methods fail.

If you previously tried to connect and received an error like "Unable to connect to device" or "Miracast is not supported"Don't rush to blame the technology. In 70% of cases, the problem lies in the router settings (for example, if the AP Isolation) or a protocol conflict. We'll cover these details separately in the troubleshooting section.

1. Method 1: Screen Share (Miracast) - the standard protocol for LG and Xiaomi

Miracast - it's built in Android And webOS A protocol for wireless screen sharing without any additional apps. It works on all Xiaomi (starting from MIUI 9) and televisions LG With webOS 3.0+The main advantage is minimal latency (around 50 ms), which is critical for gaming.

To activate Screen Share on LG, follow these steps:

  • 📺 On the remote control LG press the button Home (home), then select Screen Share (in older models - Smart Share).
  • 🔍 The name of your TV will appear in the list of available devices (for example, LG OLED55C1). Remember it.
  • 🔄 If your TV is not displayed, check if it is turned on Miracast in the network settings (Settings → Network → Miracast).

Now let's move on to the setup Xiaomi:

  1. Open Settings → Connections and Sharing → Wireless Display.
  2. Turn on the slider Wireless display and wait for the scan.
  3. Choose yours LG from the list. If a PIN is requested, enter it from the TV screen.
  4. Confirm the connection on both devices.

The phone and TV are connected to the same Wi-Fi network | VPN and proxy are disabled on the phone | Screen Share mode is enabled on the TV | The distance between the devices is no more than 5 meters -->

⚠️ Attention: On some models LG (for example, series UK6200) Screen Share It's disabled by default to save power. To enable it, go to Settings → General → Eco Mode and disable the option Energy saving during idle time.

2. Method 2: Google Cast (Chromecast) - for streaming video and music

If you only need to stream content from applications (YouTube, Netflix, Spotify) rather than the entire screen, it's more convenient to use Google CastThis method is less demanding on the network and works more reliably. Miracast on weak routers. The main requirement is the presence of a built-in Chromecast on TV LG (available on models with webOS 4.0+).

Setup instructions:

  • 📱 On the phone Xiaomi open the app that supports it Google Cast (For example, YouTube or Google Photos).
  • 🔍 Tap on the broadcast icon (usually in the upper right corner) and select your LG from the list.
  • 🎬 A connection request will appear on the TV - confirm it.
  • 📶 If the devices don't see each other, make sure both are connected to the same network Wi-Fi 5 GHz (2.4 GHz may not be supported).

⚠️ Attention: On TVs LG 2019–2020 release years (for example, LG SM9000) function Google Cast sometimes conflicts with the proprietary application LG ThinQIf the broadcast is interrupted, close ThinQ in the background or disable auto-start of the application in the settings Android.

📊 Which connection method do you use most often?
Miracast (Screen Share)
Google Cast (Chromecast)
HDMI cable
Another option
Connection method Latency (ms) Supported LG models Required MIUI version
Miracast (Screen Share) 40–70 webOS 3.0+ (2016–2026) MIUI 9+ / HyperOS
Google Cast 100–200 webOS 4.0+ (2018–2026) MIUI 10+
LG TV Plus (via app) 200–300 All models with webOS MIUI 8+
DLNA (for media files) 500+ webOS 2.0+ (2015–2026) Any

3. Method 3: LG TV Plus app - an alternative for older models

If your TV LG released before 2018 or does not support Miracast, you can use the official app LG TV PlusIt allows you to not only broadcast your screen but also control your TV like a remote control. However, this method has a significant drawback: delay up to 300 ms, which makes it unsuitable for dynamic games.

Step-by-step instructions:

  1. Download LG TV Plus from Google Play to yours Xiaomi.
  2. Make sure your phone and TV are connected to the same network. Wi-Fi.
  3. Launch the app and click Connect to TV.
  4. Enter the PIN code that appears on the screen LG.
  5. Select mode Phone screen for broadcast.

⚠️ Attention: On phones Xiaomi With HyperOS (For example, Xiaomi 14) application LG TV Plus may request permission to access special featuresWithout this permission, the broadcast will not work. To grant it, go to Settings → Accessibility → Accessibility Services and activate LG TV Plus.

Why is LG TV Plus slow?

The app uses the DLNA protocol, which is highly dependent on your router speed. If your Wi-Fi is running at 2.4 GHz or is busy with other devices, latency may reach 1 second. For stable operation, we recommend:

1. Switch to 5 GHz.

2. Disconnect other gadgets from the network.

3. Set traffic priority (QoS) for the phone in the router settings.

4. Troubleshooting: Why Xiaomi Can't Detect an LG TV

If the connection fails, please check the following:

4.1. Problems with Wi-Fi network

  • 🌐 Make sure your phone and TV are connected one network (not to the guest and not to different ranges of the same router, for example, MyWiFi_2.4 And MyWiFi_5).
  • 🔒 Check if the router is in the "Secure Mode" mode. AP Isolation (client isolation) - it blocks the interaction of devices on the local network.
  • 📶 If the signal is weak, try moving your phone closer to the router or using a repeater Wi-Fi.

4.2. Firmware conflicts

On TVs LG With webOS 5.0+ (2020–2026) settings sometimes get lost Screen ShareTo reset them:

  1. Go to Settings → All settings → General → Reset settings.
  2. Select Reset network settings (not a full reset!).
  3. Restart your TV and try connecting again.

4.3. Mistakes on Xiaomi's side

On phones Xiaomi With MIUI 12–14 a bug may occur when the function Wireless display won't turn on. Solution:

  1. Open Settings → About phone and tap 5 times MIUI versionto activate Developer mode.
  2. Return to Settings → Advanced → For developers.
  3. Find the option Debugging over Wi-Fi and turn it on.
  4. Restart your phone and try connecting again.

5. Connection optimization: how to reduce latency and lag

Even if the connection is established, you may encounter image delay or sound breaksHere's how to fix it:

5.1. Router settings

  • 📡 Switch to range 5 GHz - it is less congested and provides greater throughput.
  • 🔄 In the router settings (192.168.1.1) turn on QoS (Quality of Service) and set the highest priority for the MAC addresses of the phone and TV.
  • 🔌 Disable energy saving on your router (option Green Mode or Eco Mode).

5.2 Xiaomi Settings

To reduce latency during broadcasting:

  1. Turn on the mode Game in the screen settings (Settings → Display → Picture Mode → Game).
  2. Turn it off Adaptive brightness And Auto-rotate - they create additional stress.
  3. Close all background applications, especially instant messengers and social networks.

5.3. LG Settings

On TVs LG OLED And NanoCell option available Low latency mode:

  1. Go to Settings → Picture → Additional settings → Game mode.
  2. Turn on Low Latency Mode (ALLM).
  3. Disable image post-processing (TruMo, Noise reduction).

6. Alternative Methods: When Wi-Fi Doesn't Work

If wireless connectivity is fundamentally unsuccessful, consider alternatives:

6.1. Connecting via USB-C/HDMI

Modern Xiaomi (For example, Xiaomi 13T or Redmi K60) support image output USB-C → HDMI using an adapter. Advantages:

  • 🎮 Zero lag (perfect for gaming).
  • 🔊 Uncompressed audio transmission.
  • 📶 Does not depend on Wi-Fi.

Disadvantages: you need to purchase an adapter (from 500 ₽) and a cable HDMI 2.0+.

6.2 Using an external Chromecast

If your LG does not support Google Cast, you can buy an external adapter Chromecast (from 3,000 ₽) and connect it to the port HDMIThis is a universal solution that works with all phones. Xiaomi.

6.3. DLNA for media files

If you only need to stream photos, videos or music, use DLNA:

  1. On TV LG turn on DLNA in the network settings.
  2. On the phone Xiaomi install the application BubbleUPnP or LocalCast.
  3. Select a file and send it to LG through Render.

7. Comparison of methods: which one to choose for your tasks

The choice of connection method depends on what exactly do you want to broadcast:

Task The best method Alternative Minimal delay
Games (PUBG, Call of Duty) Miracast (5 GHz) USB-C → HDMI 30–50 ms
Watching movies (Netflix, Kodi) Google Cast DLNA 100–200 ms
Showing presentations LG TV Plus Miracast 200–300 ms
View photos DLNA Google Photos + Cast 500+ ms

⚠️ Attention: On TVs LG series UN7300 (2020) when used Miracast An artifact in the form of green stripes may appear on the screen. This is a hardware issue and can only be fixed by updating the firmware or switching to Google Cast.

FAQ: Frequently asked questions about connecting Xiaomi to LG

❓ Why is there sound but no image?

This problem is typical for Miracast on TVs LG With webOS 5.0. Solution:

  1. On your TV, go to Settings → Sound → Additional settings → Sound sync.
  2. Set value 0 ms (may be set to default) 100–200 ms).
  3. Restart the broadcast.

If that doesn't help, try another connection method (for example, Google Cast).

❓ Is it possible to connect without a router (access point)?

Yes, but with restrictions:

  • 📲 On Xiaomi turn on Wi-Fi hotspot (Settings → Access Point).
  • 📺 On LG connect to this point.
  • 🔄 Launch Screen Share on both devices.

⚠️ Restrictions: In this mode there will be high latency (300+ ms), and some models LG (For example, LG Nano85) may not support such a connection.

❓ How do I mirror my screen if my Xiaomi phone doesn't have the "Wireless Display" feature?

On older models Xiaomi (For example, Redmi 4X) function Miracast may be hidden. To activate it:

  1. Install the application Miracast Screen Sharing from Google Play.
  2. Turn on USB debugging in the developer settings.
  3. Connect your phone to your PC and run the command:
    adb shell am start -n com.miui.miscreen/.ScreenCastActivity

After this, a hidden section will appear in the settings. Wireless display.

❓ Why is the video lagging, but the sound is fine?

This is a typical problem when the signal is weak. Wi-Fi or a congested channel. Solutions:

  • 📶 Switch your router to a free channel in the range 5 GHz (use the app Wi-Fi Analyzer for analysis).
  • 🔧 In the settings Xiaomi turn it off Hardware acceleration for video (Settings → Advanced → Developer options → Disable hardware acceleration).
  • 📥 Reduce the broadcast resolution in the settings Miracast (select 720p instead of 1080p).
❓ Is it possible to connect Xiaomi to LG via Bluetooth?

No, Bluetooth Doesn't support screencasting—only file and audio transfer. For full image display, you need Wi-Fi (or cable HDMI).

Exception: some models LG (For example, LG G2) support transmission sound only By Bluetooth (protocol A2DP), but this will not replace screen sharing.