Connecting Xiaomi’s smartphone to an LG TV opens up a lot of possibilities, from streaming high-resolution video to using TV as a second screen for games or presentations. However, this process is not always smooth — users face compatibility problems, image delays or complete lack of connection. In this article, we will analyze all the current ways of connecting (including hidden MIUI and webOS functions), give checklists for troubleshooting and reveal nuances that are not written in the official instructions.
We will focus on Xiaomi models 2022-2026 (Redmi Note 12/13 series, POCO X5/F5, Xiaomi 13/14) and LG TVs on webOS 5.0-7.0 (including OLED C2/C3, QNED and UK63 budget series). If your device is older, at the end of the article there is a separate section with solutions for outdated versions.
1. Wi-Fi connection (Miracast/Wi-Fi Direct)
The most versatile, wireless-free way, Miracast technology is built into most modern Xiaomi and LG devices, but it depends on the firmware version and regional settings. Here's how to do it correctly:
On LG TV:
- Open Settings → Connection → Screen mirroring (Screen Share).
- Choose Miracast or Wi-Fi Direct (depending on the model).
- Activate the option to Enable and wait until the TV appears in the list of available devices.
On a Xiaomi smartphone:
- Open Settings → Connection and Sharing → Screen Transfer.
- Slip the name of your LG TV on the list.
- Confirm the connection on both devices.
Check that both devices are connected to the same Wi-Fi network (if you use Miracast, you do not need a network)
Update the firmware on Xiaomi and LG to the latest version
Turn off VPN and energy saving modes
Make sure that the distance between the devices does not exceed 5 meters.-->
Typical problems and solutions:
- 🔴 TV not displayed in the list: Restart router and turn on Xiaomi developer mode (Settings) → The phone. → Version. MIUI — Tap 7 times, then activate Debugging over Wi-Fi.
- 🟡 Image delay: In settings LG Select Game Mode (Settings) → Picture → Picture modes), and on Xiaomi turn off Adaptive brightness.
- 🟢 No Sound: On Xiaomi go to Settings → Sound. → Sound transmission over HDMI and choose the Auto.
2. Connection through HDMI (play-and-play 4K-content)
If you need a minimum backlog of pictures (relevant for games or watching videos in the video) 4K@60Hz), use HDMI-Adapter. Any adapter with Xiaomi is suitable USB-C → HDMI (For example, Baseus 6-in-1 Importantly, cheap Chinese adapters often don't support Xiaomi. HDR and 10-bit-colour.
Step-by-step:
- Connect the adapter to the USB-C port on your smartphone.
- Connect the adapter to the TV through HDMI-cable (use) HDMI 2.1 for 4K@120Hz).
- On your LG TV, select the appropriate signal source (HDMI 1/2/3).
- On Xiaomi, the option Transfer to HDMI will appear in the notification bar - tap on it.
What adapters support 4K@60Hz?
Settings for optimal quality:
| Parameter | Recommended value | Where to change |
|---|---|---|
| Permission | 3840×2160 (4K) | Screen settings → HDMI resolution (on Xiaomi) |
| Frequency of update | 60 Hz (or 120 Hz for gaming) | Settings → Display → Update frequency |
| Color range | RGB (full) | LG Settings → Picture → Additional → HDMI Ultra HD Deep Color |
| HDR | On. | LG Settings → Picture → HDR Effect |
💡
If the image on the TV is cropped at the edges, on Xiaomi, turn on the No-Scaling mode in the settings HDMI-The conclusion. LG Check the aspect ratio setting (Settings) → Picture → Relationship of parties → Original).
3. USB connection (for files and charging)
It is suitable for viewing photos/video or charging a smartphone from a TV, but transferring the screen over USB to Xiaomi and LG is not supported - only file sharing.
How to connect:
- Use a USB-C → USB-A cable (companying Xiaomi).
- Connect your smartphone to the port USB on the TV (it is better to use the port marked with a note) HDD/USB).
- On the TV, a conductor will open - select files to play.
Limitations:
- 📁 Supported formats: MP4, MKV, JPG, PNG (See the full list in the guide to your model LG).
- ⚡ Charging will be slow (max. 5W), so USB-The TV port does not support Quick Charge.
- 🔒 To access files on Xiaomi may require unlocking Debugging USB.
💡
USB connection is not a substitute for HDMI or Miracast, it is only for file sharing.
4.Using Google Cast (Chromecast)
If your LG TV supports Google Cast (built into webOS 4.0+ models), you can stream content from apps (YouTube, Netflix, Google Photos) directly from a Xiaomi smartphone, a method that is less battery-intensive than Miracast, but only works with supported services.
Instructions:
- Make sure that your TV and smartphone are connected to the same Wi-Fi network.
- On your LG TV, turn on Google Cast (Settings → Connection → Google Cast).
- Open a supported app on Xiaomi (like YouTube).
- Slip on the broadcast icon (📺) and choose your TV.
List of applications with Cast support:
- 🎬 YouTube, Netflix, Disney+
- 🎵 Spotify, Google Play Music
- 📷 Google Photos, Galery (MIUI)
- 🎮 Stadia, NVIDIA GeForce NOW (cloud-game)
💡
If Cast is not working, check your router settings: disable AP Isolation and turn on Multicast (IGMP). On some routers (such as TP-Link), this option is hidden in Additional Settings → Local Network.
5. DLNA connection (for media files)
DLNA allows you to stream music, videos and photos from Xiaomi to LG without mirroring the screen, a method that is less resource-intensive than Miracast, but requires pre-configuration.
Setup on Xiaomi:
- Install the Mi Home or BubbleUPnP app (for advanced features).
- Turn it on. DLNA-server in application settings.
- Select folders for shared access (for example, DCIM for photo).
Setting up on LG:
- Open the Settings. → Network → DLNA.
- Select Turn on and wait until the TV detects the smartphone.
- Start the LG Media Player and select your Xiaomi device.
Challenges and solutions:
- 🔴 Files are not played: Check the formats — LG supportive FLAC and ALAC In some models. Convert to MP3 or AAC.
- 🟡 No sound in the video: In Xiaomi settings, turn off audio via Bluetooth if headphones are connected.
- 🟢 Slow loading: Use a router with support 802.11ac (5 GHz) or connect via Ethernet cable.
6. Solving Connection Problems
If none of these methods work, use this diagnostic manual:
Common errors and their causes:
| Mistake. | Possible cause | Decision |
|---|---|---|
| TV not visible on the list of devices | Miracast is disabled on LG or Xiaomi | Check Screen Share Settings and Screen Transfer |
| The connection is terminated in 10–30 seconds. | Power saving mode on Xiaomi | Turn off the Adaptive Battery in the settings |
| No sound when connected via HDMI | Incorrect HDMI settings on LG | Turn on HDMI ARC in the sound settings |
| Image flashes or blurred | Incompatible cable or adapter | Replace the cable with a certified HDMI 2.0+ |
What if Miracast doesn’t work on Xiaomi?
Specific errors for older models:
- 📺 LG 2016–2018 (webOS 3.0–3.5): Miracast may not work due to outdated firmware.Update TV via Settings → General. → Update of the PO.
- 📱 Xiaomi Redmi Note 5/6: You need to enable Wi-Fi Direct transmission manually through the engineering menu (##54298##).
💡
If you have a TV LG It was released before 2017, it probably doesn't support Miracast. HDMI-Google Chromecast (connects to the port) HDMI).
7.Putting Connection Optimization for Games and Videos
For gamers and movie lovers, minimal latency and maximum picture quality are important.
For games (PUBG, Call of Duty, Genshin Impact):
- 🎮 Use it. HDMI-Adapter with Game Mode support (delay) <20 miss).
- 🔧 Nana LG Enable Game Mode (Settings) → Picture → Picture modes → Game).
- 📱 On Xiaomi, turn off Windows animation (Settings) → The phone. → Version. MIUI → Additionally. → Animation. = 0.5x).
For movies (Netflix, 4K HDR):
- 🎥 Use Google Cast to help you Netflix/Disney+ — It supports Dolby Vision on compatible models. LG.
- 🔊 Turn on Dolby Atmos on your TV (Settings) → Sound. → Sound effects → Dolby Atmos).
- 📺 Set up Dynamic Tone Mapping for the HDR (Settings → Picture → Additionally. → Dynamic Tone Mapping).
💡
For streaming. 4K-content from Xiaomi LG With Miracast, make sure the router supports Wi-Fi 6 (802.11ax) Or use a mesh system (e.g., Xiaomi Mesh Router) AX3000).
8. Alternative ways of connecting
If standard methods don’t work, try these options:
Mirror applications:
- 📱 ApowerMirror – supports sound and control from the TV (requires installation on both devices).
- 🖥️ TeamViewer QuickSupport - for remote management (suitable for presentations).
- 🎮 Steam Link – for streaming games from PC through Xiaomi LG.
Connect via router (for older models):
- Connect Xiaomi and LG to one router via Ethernet cable (via USB-smartphone adapter).
- Use the Kodi app on both devices to stream over the local network.
Wireless docking station:
Devices like Xiaomi Mi Wireless Display Dongle allow you to connect your smartphone to your TV via Wi-Fi 6 with support for 4K@60Hz. Suitable for LG models without built-in Miracast.
💡
If you have a TV LG It does not support Miracast, but HDMI-The port is busy, and the wireless docking station is the best solution. It's cheaper than the Smart. TV-The slate and does not require root rights.