How to Connect a Samsung Phone to an LG TV via Wi-Fi: 4 Proven Methods

Wirelessly connecting your smartphone to your TV opens up new possibilities for viewing content, playing games, and presenting presentations. But when it comes to connecting devices from different brands— Samsung And LG — users often encounter technical nuances. Unlike homogeneous ecosystems (for example, Samsung Galaxy + Samsung TV), cross-platform interaction requires precise configuration of data transfer protocols.

In this article, we will look at all the current methods for connecting a phone. Samsung to the TV LG through Wi-Fi, including standard functions Smart Share/Screen Mirroring, technologies Miracast And Google Cast, as well as alternative solutions for older models. We will pay special attention to typical errors (for example, the absence of the "Wireless Projection" option in the LG menu from 2018 to 2020) and ways to bypass them without purchasing additional adapters.

Important: If your TV LG Released before 2017, some features may be missing - check support Miracast in the technical specifications of the model. For phones Samsung on Android 10 and later Advanced screen sharing options are available, while older versions (Android 8–9) may require third-party apps.

📊 Which connection method have you tried before?
Smart Share (LG)
Screen Mirroring (Samsung)
Google Cast (YouTube, Netflix)
No

1. Preparing devices: what to check before connecting

Before you begin setup, make sure both devices meet the minimum requirements:

  • 📱 Telephone Samsung: Android version 8.0 or later (for Miracast Android 4.2+ is required, but stable operation is guaranteed with Android 10). On models Galaxy S8/S9 and older function Screen Mirroring built into the quick settings panel.
  • 📺 TV LG: support Wi-Fi Direct or Miracast (check the menu) Settings → Network → Wi-Fi Direct). Models with webOS 3.0+ (2016 and newer) support Google Cast for streaming from apps.
  • 🌐 Wi-Fi network: Both devices must be connected to the same network (for Google Cast) or be in the coverage area Wi-Fi Direct (For Miracast). Avoid guest networks with restrictions on multicast traffic.

Connection issues are often caused by outdated software. Update your TV's firmware using the menu. Settings → General → Software Update and check the current version of Android on your phone (Settings → Software Update). If the TV doesn't find the phone in the list of available devices, try restarting both devices.

⚠️ Attention: On TVs LG With webOS 2.0 (2015) function Screen Share may not work reliably with phones Samsung on Android 12+. In this case, use alternative methods (section 4).

☑️ Checklist before connecting

Completed: 0 / 5

2. Method 1: Screen Mirroring (Miracast) - direct screen duplication

Technology Miracast Allows you to stream your phone's screen to your TV without the need for an intermediary (such as a router). It's a universal protocol supported by most devices. Samsung And LG, but with nuances:

  1. On TV LG:
    • Open Settings → Network → Screen Share (or Wi-Fi Direct on older models).
    • Select mode Miracast (may be called Wireless projection).
    • Remember the name of the TV (for example, LG_OLED55C1) - it will be needed for the search.
  • On the phone Samsung:
    • Swipe down to open the quick settings panel.
    • Find the icon Screen Mirroring (or Smart View on older models).
    • Select your TV from the list of available devices. LG.

    If the phone does not find the TV:

    • 🔄 Restart both devices.
    • 📶 Make sure your TV is in the "Off" mode. Detection (in settings Screen Share).
    • 🔒 Disable your firewall or antivirus software on your phone (they may be blocking Miracast).

    The advantage of this method is minimal latency (around 50-100 ms), which is important for games or videos. However, picture quality depends on the power of the phone's processor: Samsung Galaxy A-series There may be some stuttering when broadcasting 4K.

    3. Method 2: Google Cast - Streaming from Apps

    If you don't need to duplicate the entire screen, but just want to broadcast video from YouTube, Netflix or Google Photos, use Google CastThis method is less resource-intensive and works more reliably. Miracast on weak devices.

    Instructions:

    1. Make sure your phone and TV are connected to the same Wi-Fi network.
    2. Open a supported application (eg. YouTube).
    3. Click the icon Transmit (or Cast) in the upper right corner.
    4. Select your TV from the list. LG (should be displayed as LG_XXXX [TV]).

    List of supported applications Google Cast:

    Application Content type Max. permission
    YouTube Video 4K HDR
    Netflix Movies, TV series 4K (with Premium subscription)
    Google Photos Photos, videos Full HD
    Spotify Music —

    Restrictions:

    • 🎬 Not all apps support Cast (For example, TikTok or VK Video).
    • 🔊 Sound is transmitted only through the TV (it will be silent on the phone).
    • 📶 Requires a stable Wi-Fi connection: if the signal is weak, the video will freeze.
    ⚠️ Attention: On TVs LG With webOS 4.0 (2019) and newer Google Cast works through a built-in application LG Content Store. If the icon Cast If it doesn't appear, please update the app on your TV.
    How to enable Google Cast on older LG models?

    On TVs LG 2016–2018 (webOS 3.0–3.5) function Google Cast may be hidden. To activate it:

    1. Go to Settings → All settings → General → Smart features.

    2. Enable the option LG Connect Apps.

    3. Restart your TV.

    After this icon Cast should appear in supported applications.

    4. Method 3: Smart Share (LG) - a proprietary solution for media files

    Function Smart Share on TVs LG allows you to view photos, videos, and music from your phone without mirroring the screen. Unlike Miracast, this method is optimized for the media library and consumes less power.

    Step-by-step setup:

    1. On TV:
      • Open Settings → Network → Smart Share.
      • Enable the option and remember the device name (for example, LG-SMART-TV).
  • On the phone Samsung:
    • Install the application LG TV Plus from Google Play (it replaces the outdated one LG Smart Share).
    • Launch the application and select your TV from the list.
    • Allow access to phone files (photos, videos, music).

    Peculiarities:

    • 📁 Supported formats: MP4, MKV (video), JPG, PNG (photo), MP3, FLAC (audio).
    • 🔄 For videos with higher resolutions 1080p Conversion may be required.
    • 📱 Application LG TV Plus also allows you to use your phone as a remote control.

    If your TV does not appear in the list:

    • 🔧 Check that the phone is turned on Developer mode and the option is activated Debugging over Wi-Fi (in rare cases this solves the detection problem).
    • 📡 Reconnect both devices to Wi-Fi using 5 GHz instead of 2.4 GHz (less interference).

    5. Method 4: Alternative solutions for older models

    If your TV LG released before 2016 or does not support Miracast/Google Cast, consider these options:

    • 📦 Adapters Miracast: Devices like Microsoft Wireless Display Adapter or ScreenBeam Mini2 connect to the port HDMI TV and emulate support MiracastCost: from 2,000 to 5,000 rubles.
    • 🖥️ Third-party applications:
      • ApowerMirror — works via Wi-Fi, supports screen recording.
      • TeamViewer QuickSupport — for remote control (not for multimedia).
    • 🔌 Cable connection: If Wi-Fi is unstable, use an adapter USB-C → HDMI (For Samsung Galaxy S10+ and newer) or Micro-USB → HDMI (for older models). The delay is minimal, but mobility is lost.

    Comparison of alternative methods:

    Method Delay Quality Price
    Adapter Miracast 100–150 ms Full HD 2 000–5 000 ₽
    ApowerMirror 200–300 ms HD Free (with ads)
    Cable HDMI 0 ms 4K HDR 500–1 500 ₽
    ⚠️ Attention: When using adapters Miracast from third-party manufacturers (eg Noontec) on TVs LG There may be a problem with the sound. In this case, select the mode in the adapter settings Audio: HDMI instead of Audio: SPDIF.

    6. Common mistakes and their solutions

    Even with proper configuration, users still encounter issues. Let's look at the most common ones:

    • 🔴 "Device not found" in Screen Mirroring:
      • Check that the TV is in the "On" mode. Miracast (and not DLNA).
      • Turn it off Bluetooth on your phone - it may conflict with Wi-Fi Direct.
      • Reset the network settings on your TV (Settings → Network → Network Reset).
    • 📵 The connection is lost after 10-30 seconds:
      • Change the Wi-Fi channel on the router (for example, from Auto on 6 or 11).
      • Disable the feature Saving traffic in the phone settings.
    • 🔊 No sound during broadcast:
      • In the settings Screen Mirroring on your phone, select Transmit sound.
      • Check if the mode is enabled No sound on TV.
    • 🖼️ Black screen or artifacts:
      • Reduce your phone's screen resolution in the display settings (e.g. WQHD+ to Full HD+).
      • Turn it off Adaptive brightness.

    If the problem persists, check the compatibility of models on the official websites:

    In 90% of cases, problems are related to protocol version mismatches. Miracast or Wi-Fi network limitations. For example, corporate networks with WPA2-Enterprise often blocked Wi-Fi Direct.

    7. Comparison of methods: which one to choose?

    The choice of connection method depends on your goals:

    Criterion Miracast (Screen Mirroring) Google Cast Smart Share Adapter HDMI
    Delay 50–100 ms 100–200 ms — 0 ms
    Video quality Full HD (4K on flagships) Depends on the application Full HD 4K HDR
    Energy consumption High Average Low Low
    Wi-Fi is required No (Wi-Fi Direct) Yes Yes No
    Support for older TVs Yes (since 2012) Yes (since 2016) Yes (since 2010) Yes

    Recommendations:

    • 🎮 For games or video calls (Zoom, Skype) use Miracast or cable HDMI.
    • 🎥 For watching movies from Netflix/YouTube optimal Google Cast.
    • 📷 For display of photographs or music will do Smart Share.

    FAQ: Frequently Asked Questions

    My LG TV doesn't support Miracast. What should I do?

    If your model LG older than 2016, try:

    1. Use an adapter Miracast (connects to the port HDMI).
    2. Install the app on your phone ApowerMirror or TeamViewer.
    3. Connect via cable HDMI via an adapter (for example, USB-C to HDMI For Samsung Galaxy S20+).

    On TVs LG 2012-2015 the function sometimes works DLNA, but it is only for media files (not for screen mirroring).

    Why is there no sound when connected via Screen Mirroring?

    The sound problem occurs for several reasons:

    • On the phone Samsung in the settings Screen Mirroring option disabled Transmit sound.
    • TV LG switched to external speakers or soundbar (check settings Sound → Output).
    • Conflict with Bluetooth-devices (turn off headphones or speakers).
    • On some models LG sound is transmitted only through HDMI ARC - connect the TV to the sound system.

    If the problem persists, try restarting both devices or using an alternative method (e.g. Google Cast for video).

    Is it possible to connect a Samsung phone to an LG TV without Wi-Fi?

    Yes, there are two options:

    1. Wi-Fi Direct: The technology creates a direct network between devices without a router. It can be enabled in the settings. Screen Share on LG And Wi-Fi Direct on Samsung.
    2. Cable connection: Use an adapter USB-C/Micro-USB → HDMI (For example, Samsung DeX or a universal adapter from Baseus). Supports resolution up to 4K@60Hz.

    Please note: Wi-Fi Direct It may conflict with your main Wi-Fi network. If your phone's internet connection is lost after connecting, reset the Wi-Fi module in the settings.

    How to improve Wi-Fi streaming quality?

    For stable high-definition video transmission:

    • Connect both devices to the network 5 GHz (less busy than 2.4 GHz).
    • Place the router closer to the TV (or use Mesh system for a big house).
    • Enable it in your router settings. Qos (Quality of Service) and set priority for devices Samsung And LG.
    • Close background apps on your phone (especially torrents or downloads).
    • If you use Miracast, reduce the screen resolution of your phone to Full HD.

    To test your connection speed, use the app WiFi Analyzer (must be no less than 50 Mbps for stability Full HD).

    Does my Samsung phone support Screen Mirroring?

    Function Screen Mirroring (or Smart View) is available on all smartphones Samsung With Android 4.2 and laterTo check:

    1. Open the quick settings panel (swipe down from the top edge of the screen).
    2. Find the icon Smart View or Screen Mirroring.
    3. If there is no icon, check in Settings → Connections → Other connection settings.

    On phones Samsung Galaxy J-series (2016–2018) the function may be missing - in this case, use the app Google Home For Google Cast.

    • 📖 Read also

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