Do you want to watch video from Android smartphone on a big screen LG Smart TV, but don’t know how to do it without losing quality? This article will help you choose the best method depending on your TV model, Android version and available cables. We will analyze both wireless technologies (Miracast, Google Cast, LG TV Plus) and wired connections via HDMI or USB-C, and also reveal the nuances of setting up for old and new devices.

The main problem when transmitting video - sound and picture delays (lag up to 2 seconds)that spoil the viewing of movies and streams. We will tell you how to minimize them or completely eliminate them, depending on the chosen method. And if you encounter errors like “Device not supported” or “No signal”, at the end of the article you will find a checklist for diagnosing problems.

1. Wireless transmission over Wi-Fi: Miracast vs Google Cast

The most popular way to display video on LG TV is to use wireless protocols. They do not require cables, but differ in stability and supported devices.

Miracast (built into Android 4.2+) duplicates the smartphone screen on a TV without depending on the Internet, but can slow down at high resolutions. Google Cast (via applications like YouTube) broadcasts only content, not the entire screen, but it works smoother. The choice depends on your task:

  • 🎮 For games and presentations — Miracast (screen duplication)
  • 🎬 For movies and streams —Google Cast (less lag)
  • 📱 For old Android (up to version 10) - only Miracast

On TVs LG 2016-2023 Miracast is called Screen Share (in the menu Settings → Network → Miracast). On 2026+ models, look Wireless Display in the section Connections. Google Cast is available through the built-in application LG Channels or the "Broadcast" button in supported services (Netflix, YouTube).

📊 Which connection method are you using? more often?
Via Wi-Fi (Miracast/Cast)
Via HDMI cable
Via USB-C/HDMI adapter
Another method

2. Wired connection via HDMI: without lags and delays

If you need maximum quality without delays (for example, to watch videos in 4K@60fps or games), a wired connection via HDMI is the best choice. To do this you will need:

  • 📱 Supported smartphone USB-C → HDMI (or Micro-USB → HDMI for older models)
  • 🔌 Cable or adapter (for example, USB-C to HDMI from Anker or Baseus)
  • 📺 Free HDMI port on TV LG (preferably version 2.0+ for 4K)

Connect the cable to your smartphone and TV, then select the appropriate signal source on the TV (button SOURCE or INPUT on the remote control). On Android, you may need to enable HDMI mode in the display settings (path: Settings → Screen → Advanced → HDMI output).

Adapter compatibility with your smartphone model|

Version of the HDMI port on the TV (4K requires 2.0+)|

Availability of function MHL/Slimport on older Androids (until 2018)|

Display mode on TV (select "PC" or "Game" for minimal lag)-->

Important nuance: On TVs LG OLED 2020–2026, when connected via HDMI, the mode can be automatically activated HDR10, due to which the colors on the screen will be too bright. To fix this, go to Settings → Picture → Advanced settings → HDMI Ultra HD Deep Color and disable this option for the port you are using.

3. Using USB-C: an alternative to HDMI for new smartphones

Modern flagships (Samsung Galaxy S22+, Google Pixel 7 Pro, Xiaomi 13) support video output via USB-C using the standard DisplayPort Alt ModeThis allows signal transmission. data-i="103">or even 4K@60Hz or even 8K@30Hz (on TVs LG QNED 2023+) without a separate HDMI adapter.

You will need a cable USB-C → USB-C with support DisplayPort (for example, from CableMatters or UGREEN. Connect it to your smartphone and USB-C port on your TV LG (available on models G2, C2, Z2 and later). data-i="114">USB-C port USB-C → HDMI.

LG TV model USB-C support Max resolution Required cable
LG OLED C1/C2 (2021–2022) Yes (1 port) 4K@60Hz USB-C → USB-C (DisplayPort)
LG QNED90/99 (2023) Yes (2 ports) 8K@30Hz USB-C → USB-C (Thunderbolt 3)
LG NanoCell 85/90 (2020–2022) No 4K@30Hz USB-C → HDMI (adapter)
LG UK6300 (2018) No 1080p@60Hz Micro-USB → HDMI (MHL)

On smartphones with Android 12+ after connection, you may be asked to select a display mode: Duplicate screen or Expand working table. To watch the video, select the first option. If the image does not appear, check whether the mode is enabled in the TV settings USB-C Display (Settings → General → Devices → USB).

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If artifacts (stripes, flickering) appear on the TV screen when connecting via USB-C, try using a cable shorter than 1 meter or with certification USB-IFCheap, uncertified cables often do not work. with high resolution.

4. LG TV Plus application: control and broadcast

Official application LG TV Plus (available for Android and iOS) allows you not only to control the TV from your phone, but also to broadcast photos to it, video and even smartphone screen. This method works on all LG Smart TV s webOS 3.0+ (2016 and newer).

To start broadcasting:

  1. Install the application LG TV Plus from Google Play.
  2. Connect your phone and TV to the same Wi-Fi network.
  3. Launch the application and select your TV from the list.
  4. Click on the icon Screen Share (icon with two screens).
  5. Allow access to the screen in the window that appears on your smartphone.

The application supports broadcasting in resolutions up to 1080p, but there may be a delay of up to 1 second. For video in 4K it is better to use HDMI or Google Cast. Also LG TV Plus there is a function Media Syncthat automatically synchronizes photos and videos from your phone to your TV via your home network.

How to speed up broadcasting via LG TV Plus?

In the application settings (⚙ → Broadcast settings) select mode High performance instead Saving traffic. Also turn off background applications on your smartphone that can consume the Wi-Fi channel (for example, downloads or cloud synchronization).

5. DLNA and Plex: streaming media files over your home network

If you need to broadcast local video (recorded on your phone or external drive), and not the screen smartphone, it is most convenient to use protocols DLNA or application PlexThese methods do not duplicate the screen, but send only the media file, which reduces the load on the network.

To configure DLNA:

  1. On TV LG open the application Media player or LG Media Server.
  2. On your smartphone, install the server application, for example BubbleUPnP or LocalCast.
  3. In the application settings allow access to video folders.
  4. On the TV, select your smartphone from the list of DLNA devices.

For Plex You will need:

  1. Install Plex Media Server on your computer or NAS.
  2. Upload the video to the Plex library.
  3. Install the application Plex on TV LG (available in LG Content Store).
  4. Log in and select the desired file to play.

DLNA is suitable for one-time broadcasts, and Plex convenient for a large collection of films sorted by genres and covers. Both methods work without lags, if The router supports Wi-Fi 5 (802.11ac) or Wi-Fi 6.

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DLNA and Plex do not transmit DRM-protected content (for example, movies from Google Play or Netflix). For such videos, use Google Cast or HDMI.

6. Problem solving: why the video is not output to the TV

If you try to transfer it. video on LG TV errors occur, check the following points:

  • 🔄 Reboot both devices — sometimes simply turning off/on the TV and smartphone helps.
  • 📶 Check Wi-Fi — for Miracast and Google Cast, the phone and TV must be on the same network (do not use guest Wi-Fi or mobile hotspot).
  • 🔌 Update the firmware —on TVs LG 2019–2020 there were bugs with Miracast, fixed in updates.
  • 🛠️ Reset the network settings on the TV (Settings → Network → Reset network).

Common errors and their solutions:

Error Cause Solution
"Device not supported" Old version of Android or webOS Update software or use HDMI
"No signal" (if HDMI) Incompatible cable or port Try another cable or HDMI 2.0 port
Lags during playback Weak Wi-Fi or high resolution Switch to 5 GHz or lower the resolution to 1080p
"Could not connect" Blocked by firewall Turn off VPN and antivirus on your smartphone

On TVs LG s webOS 6.0+ (2021 and newer) there is a built-in network diagnostic tool: go to Settings → Support → Network diagnostics and run the test. If the speed is lower 50 Mbps, for stable broadcasting 4K use a wired connection.

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If the video slows down when broadcasting via Wi-Fi, try reducing the bitrate in the application settings (for example, in VLC or MX Player select Hardware decoding and limit the bitrate to 10 Mbit/s).

7. Alternative methods: from Chromecast to Apple AirPlay

If built-in functions LG TV are not satisfied, you can use external devices:

  • 📱 Google Chromecast —connects to the HDMI port and allows you to broadcast video via Google Cast (works even on old TVs without Smart TV).
  • 🍎 Apple TV —supports AirPlaywhich can also be used with Android (via applications like AirScreen).
  • 🖥️ Amazon Fire TV Stick - allows you to duplicate the Android screen through the function Miracast or ApowerMirror.
  • 🎮 Game consoles (PS5, Xbox) - some models support smartphone screen output via USB or special applications.

For Chromecast and Fire TV Stick you will need free HDMI port power (via USB). These devices bypass the limitations of older TVs LG (until 2015), which do not have built-in support for Miracast. For example, Chromecast 4K allows you to broadcast video in resolution up to 2160p with support Dolby Vision.

If you use Apple TV with Android, install the application AirScreen or ApowerMirrorto activate support AirPlay. This is useful if you have devices in your ecosystem Apple (for example, iPad or MacBook), but the main phone is on Android.

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External devices (Chromecast, Fire Stick) often work more stable than the built-in functions of Smart TV, especially on budget LG models with a weak processor.

FAQ: Frequently asked questions about outputting video from Android to LG TV

Is it possible to output video from Android to an old LG TV without Smart TV (2012–2014)?

Yes, but only via HDMI or MHL adapter (for old Android with Micro-USB). Wireless methods (Miracast, Google Cast) do not work on such TVs. If there is no HDMI port, use AV cable (3.5 mm jack). → RCA), but the quality will be low (480p).

Why is there no sound on the TV when connected via HDMI?

Check the sound settings on your smartphone: go to Settings → Sound → Sound Output and select HDMI. If there is still no sound, try a different cable - some cheap adapters do not transmit audio. On TVs LG also check if HDMI audio is disabled in the menu Settings → Sound → Advanced → HDMI ARC.

How to stream videos from YouTube to LG TV without lags?

Use the built-in function Google Cast: open the video in the application YouTube on your smartphone, click on the broadcast icon (in the upper right corner) and select your TV LG. This will give a minimum delay, since the video is streamed directly from YouTube servers, and not from the phone. If lags remain, check your Internet speed (you need at least 10). Mbit/s for 1080p).

Is it possible to display the Android screen on LG TV via Bluetooth?

No, Bluetooth does not support video transmission - only audio. To mirror the screen, use Wi-Fi (Miracast, Google Cast) or HDMI. Bluetooth can only be used to connect wireless headphones or speakers to the TV.

Why is video from the phone displayed with black bars on the LG TV?

This is due to the mismatch of the aspect ratio. On your smartphone, turn on the mode Stretch image (in the broadcast settings) or change the aspect ratio to. TV: Settings → Picture → Aspect ratio → Fit to screen. If the video is in format 21:9, black bars will remain - this is a feature of the format.