How to Connect a Xiaomi Phone to an LG Smart TV via Wi-Fi: 5 Proven Methods

Wirelessly cast your screen from your phone Xiaomi on LG Smart TV Opens up new possibilities for watching movies, playing games, or presenting without the hassle of wires. However, many users encounter issues: the connection drops, the picture lags, or the TV simply doesn't recognize the smartphone. The cause is often an incorrect connection method or protocol incompatibility.

In this article we will look at all current connection methods — from standard Miracast to alternative solutions like Google Cast and third-party apps. You'll learn how to set up broadcasting on models LG With webOS 4.0+What Wi-Fi parameters affect connection stability, and what to do if your phone's screen is lagging. You can also find a protocol compatibility table and an FAQ with answers to common errors.

Important: If your LG Smart TV released before 2018, some features (eg Screen Share) may be missing. In this case, you will need to update the firmware or use third-party applications.

1. Preparation: Checking network compatibility and requirements

Before you begin connecting, please make sure your devices meet the minimum requirements:

  • 📱 Xiaomi phone: models with MIUI 10+ and support Miracast (most devices starting from Redmi Note 7 And Mi 9). You can check the availability of this function in the settings. Screen → Wireless Display.
  • 📺 LG TV: models with webOS 4.0 and above (2018 and newer). Old TVs on NetCast do not support modern protocols.
  • 🌐 Wi-Fi router: should work in the range 5 GHz (for minimal delay) or 2.4 GHz (if 5 GHz is not supported). Connection speed - not less than 10 Mbps.

Critical moment: Both devices must be connected to the same Wi-Fi networkIf your phone is using mobile internet (4G/5G) and your TV is using a cable connection, the streaming won't work. Also, turn it off. VPN on a smartphone - it can block the local connection.

📊 Which connection method have you tried before?
Miracast
Google Cast
Screen Share from LG
Third-party applications (ApowerMirror, TeamView)
None of the above

If your router supports Wi-Fi DirectYou can try connecting the devices directly, without a router. However, this may cause issues with internet access on your phone while streaming.

⚠️ Attention: On some models Xiaomi (For example, POCO X3) function Miracast is disabled by default. To activate it, go to Settings → About phone → MIUI version and tap the version line 7 times. This will open the developer menu, where you need to enable it. Wireless display.

2. Method 1: Connect via Miracast (Xiaomi's built-in function)

Miracast — is a wireless screen sharing standard supported by most modern devices. It works without an internet connection, but requires both devices to be on the same local network.

Instructions for Xiaomi:

  1. Open Settings → Connections and Sharing → Wireless Display (on some models the path may differ: Settings → Display → Wireless Display).
  2. Activate the slider Wireless display.
  3. From the list of available devices, select yours LG Smart TV (the name will correspond to the model, for example, LG OLED55C1).
  4. Confirm the connection on your TV (you may be asked to enter a PIN code).

On the side LG Smart TV:

  1. Press the button on the remote control Home (home).
  2. Go to Settings → Connection → Screen Share.
  3. Select Miracast and enable the option.

If your TV doesn't appear in the list of devices on your phone, try:

  • 🔄 Restart both devices.
  • 📶 Reconnect to the Wi-Fi network (sometimes changing the channel on the router helps).
  • 🔧 Update the firmware on your TV (valid for 2019–2020 models).

☑️ Check before connecting via Miracast

Completed: 0 / 4
⚠️ AttentionOn TVs LG With webOS 5.0+ function Screen Share may conflict with MiracastIf the broadcast is interrupted, try turning it off. Screen Share in TV settings and use only Miracast.

3. Method 2: Using Screen Share (LG's built-in feature)

Screen Share - proprietary technology LG, which often works more stably than MiracastIt supports not only screen streaming but also audio streaming, and allows you to control your TV from your phone.

How to connect:

  1. On TV: Home → Settings → Connection → Screen Share.
  2. Select LG TV Plus (if required) or simply activate the option.
  3. On the phone Xiaomi Download the official app LG TV Plus from Google Play.
  4. Launch the app and follow the on-screen instructions (you will need to scan the QR code from your TV).

The advantages of this method:

  • 🎮 Gamepad support (you can play from your phone on a big screen).
  • 🔊 Sound transmission without delay.
  • 📱 Possibility to use your phone as a remote control.

Flaws:

  • ⚠️ Application LG TV Plus may not support some models Xiaomi (For example, Redmi 9A).
  • 📶 Requires a stable Wi-Fi connection (if the signal is weak, the picture will break up).
What should I do if LG TV Plus doesn't detect my TV?

Make sure Screen Share is enabled on your TV (not just Miracast). Also, check that your phone and TV are connected to the same network. If the issue persists, try reinstalling the app or using an alternative method (such as Google Cast).

4. Method 3: Broadcast via Google Cast (Chromecast)

If your LG Smart TV supports Google Cast (built-in Chromecast), you can cast your screen through apps like YouTube, Netflix or Google PhotosFull screen mirroring requires third-party software.

Instructions:

  1. On TV: Home → Settings → Connection → Google Cast (or find the icon Cast in the quick access panel).
  2. On your phone: Open an app that supports Cast (For example, YouTube), and tap on the broadcast icon.
  3. Choose yours LG Smart TV from the list.

To mirror the entire screen:

  1. Download the app Google Home.
  2. Add your TV to the list of devices.
  3. In the device menu, select Broadcast your screen.

Important: On some Xiaomi models (e.g., POCO F3), Google Cast mirroring may not work due to MIUI limitations. In this case, use apps like ApowerMirror or TeamViewer.

Connection method Latency (ms) Sound support Internet access required Compatibility with Xiaomi
Miracast 50–150 Yes No (local network only) 90%
Screen Share (LG) 30–100 Yes No 80%
Google Cast 100–300 Yes (only in supported apps) Yes (for some functions) 70%
ApowerMirror 100–200 Yes No 95%

5. Method 4: Third-party applications (ApowerMirror, TeamViewer)

If built-in methods don't work, third-party apps can help. They often offer additional features, such as screen recording or TV control from your phone.

Best options:

  • 📱 ApowerMirror: supports mirroring with minimal latency, there is a function for controlling TV from a phone. Link to Google Play.
  • 🖥️ TeamViewer QuickSupport: More suitable for technical support, but can broadcast the screen. Requires software installation on the TV (if this is LG on webOS).
  • 🎮 Scrcpy (for advanced users): allows you to control TV from your phone via ADB, but requires configuration on a PC.

Instructions for ApowerMirror:

  1. Install the application on your phone and TV (if there is a version for webOS).
  2. Launch the application on both devices.
  3. On your phone, select Connect to TV and follow the instructions.
  4. Confirm the connection on your TV (you may be asked to enter a PIN).

Benefits of third-party applications:

  • 🔧 Works even on older models LG And Xiaomi.
  • 🎛️ Additional features (screen recording, annotations, gesture control).

Flaws:

  • ⚠️ Image artifacts may occur on weak Wi-Fi.
  • 💰 Some functions are paid (for example, audio transmission in ApowerMirror).

6. Troubleshooting: Delays, connection breaks, no sound

Even with proper setup, problems can still arise. Here are the most common ones and how to fix them:

  • 🐢 Image lag:
    • Switch to range 5 GHz in the router settings.
    • Close background apps on your phone.
    • Reduce the broadcast resolution (if there is such an option).
  • 🔌 The connection is interrupted:
    • Reboot your router.
    • Turn off power saving mode for Wi-Fi on your phone.
    • Check if your antivirus or firewall is blocking the connection.
  • 🔇 No sound:
    • Make sure your TV is not muted (Settings → Sound → Output).
    • Try a different connection method (eg. Screen Share instead of Miracast).
    • Update your TV firmware.

If the problem persists, check:

  • 📡 Wi-Fi signal: use an app like Wi-Fi Analyzerto find the least loaded channel.
  • 🔄 Protocol compatibility: some models Xiaomi do not support Miracast in mode WPA3 - switch the router to WPA2.
⚠️ AttentionOn TVs LG With webOS 6.0+ Protection against uncertified devices may be triggered. If an error occurs when connecting "Device not supported", try disabling the option "Certified devices only" in the settings Screen Share.

7. Alternative options: if Wi-Fi doesn't work

If a wireless connection is not possible (for example, due to a weak signal or incompatibility), consider alternatives:

  • 🔌 HDMI adapter: connect your phone to TV via USB-C/HDMI adapter. Suitable for models Xiaomi with support DisplayPort Alt Mode (For example, Mi 11, Redmi K40).
  • 📶 Mobile hotspot:
    1. Activate the hotspot on your phone.
    2. Connect your TV to this network.
    3. Use Miracast or Screen Share.
  • 💻 PC as an intermediary:
    1. Connect your phone to PC via USB or Wi-Fi (for example, through Scrcpy).
    2. From your PC, cast your screen to your TV via HDMI or Steam Link.
    3. For adapter USB-C/HDMI We recommend models with support 4K@60Hz, For example:

      • Baseus USB-C to HDMI (For Xiaomi With DisplayPort).
      • Anker 810 (with additional port USB-A for food).

      FAQ: Answers to frequently asked questions

      🔍 Why can't my TV see my Xiaomi phone when connected via Miracast?

      The reasons may be as follows:

      • It's turned off on the phone. Miracast (check in settings) Wireless display).
      • The TV and phone are connected to different Wi-Fi networks (even if they are from the same router, but with different names, for example, MyWiFi_2.4G And MyWiFi_5G).
      • The router is in the enabled mode. AP Isolation (client isolation) - disable it.
      • The firmware on the TV is outdated (update via Settings → General → Software Update).

      If nothing helps, try resetting the network settings on your TV: Settings → General → Reset → Reset network settings.

      🎮 Is it possible to play games from a Xiaomi phone on an LG TV without lag?

      For games with minimal latency:

      • Use Screen Share (LG) or Miracast in the range 5 GHz.
      • Close all background apps on your phone.
      • Connect the gamepad via Bluetooth directly to your phone (for example, Xiaomi Game Controller or Sony DualSense).
      • Reduce the broadcast resolution to 720p (in settings ApowerMirror or similar applications).

      For competitive games (eg. PUBG Mobile or Call of Duty) it is better to use HDMI adapter — the delay will be minimal (~20–30 ms).

      📺 How to stream Netflix from a Xiaomi phone to an LG Smart TV?

      There are two ways:

      1. Via Google Cast:
        • Open Netflix on the phone.
        • Tap on the icon Cast (in the upper right corner).
        • Choose yours LG Smart TV.
    4. Via Miracast/Screen Share:
      • Activate screen casting (as described above).
      • Launch Netflix on the phone - the image will be duplicated on the TV.
      • Please note: Due to copyright protection (DRM), the quality may be reduced to 480p.
  • If the sound is not transmitted, try connecting the phone to the TV via Bluetooth (in the TV sound settings, select Bluetooth device).

    🔧 How do I update my LG Smart TV firmware to support Miracast?

    Instructions:

    1. Press on the remote control Home → Settings → General → Software Update.
    2. Select Check for updates.
    3. If an update is found, confirm the installation (the TV will reboot).
    4. If automatic update does not work:

      • Download the firmware from the official website LG (Please indicate the exact TV model).
      • Write it to a flash drive in the following format: FAT32.
      • Connect the flash drive to the TV and follow the on-screen instructions.

      After the update, reset your network settings: Settings → Network → Network Reset.

    🛠️ What should I do if my phone screen is displayed on TV with black bars?

    The issue is related to a permissions mismatch. Solutions:

    • On TV: Settings → Display → Aspect Ratio → select Fit to screen or 16:9.
    • On your phone: in the broadcast settings (for example, in ApowerMirror) select Full Screen.
    • If you use Miracast, try changing your phone's screen resolution to standard (1920×1080).
    • On some models LG disabling the function helps Super Resolution in the image settings.