Broadcasting the screen of the Xiaomi smartphone on the big screen of the TV LG It offers a lot of possibilities, from watching movies in high resolution to showing presentations or running mobile games on a 55 display, but many users are experiencing compatibility issues, connection errors, or simply do not know which way to choose. In this article, we will analyze all current connection methods, including wireless technologies and wired adapters, as well as give recommendations for eliminating typical problems.
Although both brands are Xiaomi and LG — They support modern standards of data transmission, and there are always nuances. LG WebOS may require additional settings to work correctly with Miracast, and Xiaomi smartphones on the Internet MIUI 14+ We've tested all the ways on models from the Redmi Note 10 to the Xiaomi 13 Ultra and TVs. LG series OLED C2, NanoCell 86 and UK6200 — The results are summarized in the comparison table below.
If you want to quickly transfer photos from your vacation or show YouTube videos without any extra settings, wireless connectivity is enough. For gamers or graphics people, you better choose a wired method with minimal latency. And if your TV is older than 2018, you might need an external adapter, we'll talk about that too.
1. Connecting through Miracast (Wireless Display) - a universal way
Miracast is a wireless screen transmission standard that supports almost all modern Xiaomi smartphones (starting with the latest generation of smartphones). MIUI 9) and televisions LG on webOS 3.0+. The main advantage of the method is the absence of the need for a router: devices connect directly via the Wi-Fi Direct protocol.
To activate Miracast on your TV LG, Follow the following steps:
- Turn on the TV and go to Settings → Connections → Screen mirroring (Screen Share).
- Select Miracast or Wireless Display (the name may vary depending on the model).
- Activate the option and wait for the TV to start searching for available devices.
From the smartphone Xiaomi algorithm is as follows:
- Open Settings → Connection and Sharing → Screen Transfer.
- Slip on the item Wireless display (or Wireless Display in global firmware).
- In the list, find the name of your TV. LG (for example, LG_OLED55C2) and confirm the connection.
If the TV is not on the list, check:
- 🔄 Restart both devices – sometimes resetting network settings helps.
- 📶 Turn it off. VPN Proxies on a smartphone – they can block a local connection.
- 🔧 Update the TV firmware through Settings → General. → Update of the PO.
What if Miracast doesn’t work on Xiaomi?
⚠️ Attention: On TVs LG In 2017 and older (webOS 2.0), Miracast may be called Screen Share (Intel WiDi), which requires you to manually enable it via Settings. → Network → Wi-Fi Direct.
2.Use Wi-Fi Direct for file and screen transfer
Wi-Fi Direct is a technology that allows devices to communicate without a router, unlike Miracast, it supports not only screen mirroring, but also file transfer, which is convenient for viewing photos or videos from your phone on a large screen.
Instructions for the television LG:
- Go to Settings. → Network → Wi-Fi Direct.
- Activate the function and wait until the TV is visible to other devices.
- Remember the name of the network (for example, DIRECT-LG-XX:XX) — It will be needed to connect.
On a Xiaomi smartphone:
- Open the Settings. → Wi-Fi and find a network with a prefix DIRECT-LG.
- Connect to it (password is usually not required or is specified in the instructions for the TV).
- After connecting, launch the Gallery or Files application, select the media file and tap the icon → Wi-Fi Direct.
To mirror the screen through Wi-Fi Direct, use the application LG TV Plus (available on Google Play) not only allows you to duplicate the screen, but also to control the TV as a remote control.
Television and telephone are no more than 5 meters away |
The power saving mode is off on the TV |
Developer mode is enabled on the smartphone (for connection stability)|
Both devices are updated to the latest versions of the software-->
3. a wired connection through HDMI or USB-C — minimally
If you need maximum connection stability (for example, for gaming or watching video in the video) 4K HDR), The best choice is the wired method.Modern Xiaomi smartphones (starting with Redmi) K20 Pro and Mi 9 support image output via port USB-C adapter USB-C → HDMI.
You'll need:
- 🔌 adapter USB-C to HDMI (We recommend models with support 4K@60Hz, For example, Baseus HDMI Hub).
- 📺 HDMI-cable (version 2.0 or higher for transmission) HDR).
Step-by-step:
- Connect the adapter to the USB-C port of the smartphone.
- Connect the adapter to the TV LG through HDMI-port (preferably a port marked with a port) HDMI 2.1. 4K).
- On the TV, select the appropriate signal source (HDMI 1/2/3).
- On the smartphone in the notification line will appear alert USB-Connection – Select Image Transfer Mode (HDMI).
If the image does not appear:
- 🔄 Check if your smartphone supports DisplayPort Alt Mode (the list of models is available on the Xiaomi website).
- 🔧 Try another one. HDMI-cable or adapter (cheap Chinese adapters often don't work with the same device) 4K).
- ⚡ Make sure the TV and phone are getting enough power (power may be lacking when connecting to Power Bank).
⚠️ Note: On Xiaomi phones with MediaTek processor (e.g. Redmi Note) 11 POCO X3 Pro may need to enable Forced Desktop Mode via ADB, If you don't, the TV will display the screen in low resolution. force_desktop_mode_on_external_displays 1
| Connection method | Delay (MS) | Max, permission. | Internet is required | Suitable for games. |
|---|---|---|---|---|
| Miracast | 50–150 | 1080p | No. | ❌ No. |
| Wi-Fi Direct | 80–200 | 1080p | No. | ❌ No. |
| HDMI (USB-C) | 10–30 | 4K@60Hz | No. | ✅ Yes. |
| Smart Share (DLNA) | 100–300 | 1080p | Yes (local area network) | ❌ No. |
| Chromecast (Google Cast) | 60–120 | 4K@30Hz | Yeah (Wi-Fi) | ⚠️ Partially. |
4 Connection via Smart Share (DLNA) — media-file
Technology DLNA allows broadcasting LG Photos, videos and music from Xiaomi smartphone without screen mirroring.This is convenient if you just need to show photos from your vacation or run a movie in high quality.
How to set up Smart Share on your TV LG:
- Go to Settings. → Network → Smart Share.
- Turn on the feature and make sure the TV is connected to the same Wi-Fi network as the smartphone.
- Remember the name of the device (for example, LG_SMARTTV).
On a Xiaomi smartphone:
- Open the Gallery or Files app.
- Select the media file and tap the icon Send → Devices nearby.
- In the list, find your TV. LG and confirm the transmission.
If the TV is not displayed:
- 🔄 Restart your router – sometimes DHCP-The server does not provide the correct IP-address.
- 📱 Turn it on. DLNA In the settings of the smartphone: Settings → Connection and sharing → File transfer → DLNA.
- 🔒 Turn off the firewall on the TV: Settings → General. → Security → firewall.
💡
If the video is 4K brake DLNA, Try to convert it into 1080p with a bitrate not higher than 20 Mbps. For this, use the Video Converter application from Google Play.
5. Connect via Google Cast (Chromecast) – for streaming
If you have a TV LG Google Cast supports the built-in Chromecast, you can stream content from apps like YouTube, Netflix or Google Photos directly from a Xiaomi phone, which doesn't mirror the screen, but sends the stream directly to the TV, which reduces the load on the smartphone.
How to turn on Google Cast LG:
- Make sure the TV is connected to the internet.
- Start an app that supports Cast (like YouTube).
- Slip on the broadcast icon (📺) and choose your TV. LG.
If the Cast icon is not active:
- 🔄 Update the application to the latest version.
- 🌐 Check the region in the TV settings: Settings → General. → Region and language: The region where the service is officially supported (e.g., the United States or Europe) must be selected for Chromecast).
- 📡 Use 5 GHz Wi-Fi – There may be delays at 2.4 GHz.
On TVs. LG 2020 and newer (series) CX, GX, BX) Google Cast only works when you connect to a Google account. If you are not logged in, the stream will not be available.
6. Connection through the application LG TV Plus - an alternative method
Official annex LG TV Plus not only allows you to control the TV as a remote, but also broadcast the screen of a Xiaomi smartphone over a local network. LG (webOS 1.0+), Where Miracast may not be supported.
Instructions:
- Download the app LG TV Plus from Google Play.
- Connect your phone and TV to the same Wi-Fi network.
- Launch the app and select your TV from the list.
- Slip the Screen Share icon and confirm your TV connection.
If the app does not find the TV:
- 🔧 Turn on the developer mode on the TV: go to Settings → General. → Information about TV and tap 5 times on the line WebOS version. → General. → Developer Mode Activate Remote Debugging.
- 📱 Disable battery optimization for the app LG TV Plus in the settings MIUI.
- 🔄 Reinstall the app - sometimes cleaning the cache helps.
💡
Annex LG TV Plus supports broadcasting sound from phone to TV, which is convenient for listening to music through TV speakers.
7. Solving typical connection problems
Even with the right setup, the connection may not work due to software or hardware limitations, and let’s look at the most common errors and how to fix them.
Problem 1: Television LG Not visible on the Miracast device list.
- 🔌 Check if your TV is on Wi-Fi (even if you are using Wi-Fi Direct).
- 📵 Make sure that the smartphone is turned off mode on the plane.
- 🔄 Reboot both devices and repeat the search.
Problem 2: There is no image when connecting via HDMI.
- 🔌 Try another one. HDMI-port on the TV (preferably marked) ARC or HDMI 2.0).
- 📱 Turn on the smartphone mode Debugging by USB (Settings → The phone. → Version. MIUI → 7 taps by Assembly Number).
- 🔧 Update the adapter firmware (if it supports it).
Problem 3: Sound is transmitted, but video is not (or vice versa).
- 🎵 Check the sound settings on the TV: Settings → Sound. → Sound output → choose HDMI ARC.
- 📺 On your smartphone in Miracast settings, turn on the option to Transmit sound.
- 🔄 If used DLNA, Try another media player (for example, VLC).
Problem 4: Image delay when playing or watching a video.
- 🎮 For games, use only a wired connection (HDMI).
- 📶 When wirelessly connected, switch to 5 GHz in router settings.
- 🔧 In the settings of the TV, turn off post-processing of the image: Settings → Picture → Image modes → Playing.
⚠️ Attention: On TVs LG From webOS 4.0 and below, there may be a “Not Supported Format” error when streaming video to HEVC (H.265). The solution is to convert the file into H.264 using the HandBrake app.
8.Alternative methods: via router or external devices
If none of the above methods worked, consider additional options:
Method 1: Connect via router with Wi-Fi 6 support
Some routers (such as Xiaomi) AX3600 or TP-Link Archer AX6000) They also support Wireless Bridge, which allows you to create a direct connection between your phone and your TV over a local area network:
- Set up your router in MoCA or Mesh mode.
- Connect your TV and phone to the same network.
- Use it. DLNA or Google Cast for broadcasting.
Method 2: Miracast or Chromecast external adapter
If your LGReleased TV is up to 2016, it may not support current wireless transmission standards, and an external adapter will help:
- 🔌 Google Chromecast (connects to Google Chromecast) HDMI-port).
- 📺 Miracast-dongle (e.g. Microsoft Wireless Display Adapter).
- 🎮 Steam Link (for gamers).
Method 3: Use USB-OTG and external storage
If you just need to show photos or videos, copy files to a flash drive, connect it to the TV through the USB-Port and use the built-in media player LG.
💡
For stable Chromecast on TVs LG Turn off the Quick Start function+ It can cause conflicts with external devices.