Wirelessly streaming a screen from a smartphone to a big TV screen is a convenient feature for watching photos, videos or even games. But when it comes to connecting devices from different brands, for example, Xiaomi (including Redmi and other devices). POCO) and LG, Users often face compatibility issues. In this article, we will analyze all the current ways to connect through Screen Share, Miracast and third-party applications, as well as solve common errors such as no signal or interruption of the connection.
It is important to understand that the Screen Share technology LG โ This is a proprietary implementation of the Miracast standard, which is supported on Xiaomi smartphones (starting with the introduction of the new model). MIUI 10). However, not all TV models are LG And they work equally well with Chinese smartphones, like televisions. LG OLED 2022-2026 year-end (C2, G2, B3) Usually, it is easy to connect, while budget series (UK6300, UN7300) You may need additional settings.
If you've been trying to connect and you see a message saying "Device not supported" or the TV screen flashes, don't be quick to blame the tech, and 80 percent of the time, the problem is solved by adjusting your network settings or updating your firmware. Next, weโll look at step-by-step instructions for each method, including hidden features. MIUI WebOS that are not written in official manuals.
1. Device Preparation: What to Check Before Connecting
Before trying to connect Xiaomi and LG, Make sure both devices meet the minimum requirements, which will save time and save you from frustration.
Requirements for the Xiaomi smartphone:
- ๐ฑ Version. MIUI 10.0 for Miracast, on older versions (MIUI 9 and below) the function may be absent or may not work.
- ๐ Wi-Fi Direct enabled (usually activated automatically when broadcast is launched).
- ๐ Battery charge of at least 30% โ at a low level, the system can block the broadcast.
- ๐ถ Connecting to the same Wi-Fi network as a TV (for methods requiring a shared network).
Requirements for LG TV:
- ๐บ Model with webOS 3.0 or later (released after 2016) TVs on NetCast (until 2015) do not support Screen Share.
- ๐ Screen Share (or Miracast) is enabled in the settings. On some models, it is hidden in the Network menu. โ Connecting devices.
- ๐ No active restrictions on HDCP (It can block the broadcast of protected content, for example, from Netflix).
If you have a TV LG released before 2018, may need to update the firmware. LJ550V or UK6300 After upgrading to webOS 4.0, Miracast support appears. You can check the version of the software in the Settings menu โ General. โ On TV.
โ ๏ธ Attention: On TVs LG webOS 5.0+ (2020 and later) Screen Share can be disabled by default to save power. To activate it, go to Settings โ All settings โ General. โ Devices โ Device settings โ Screen Share and enable the option "Allow Connection".
2. Method 1: Connect via built-in Screen Share (Miracast)
This is the most reliable method, as it does not require third-party applications and works at the Miracast protocol level, but it may not be supported on older Xiaomi models (until 2018) or TVs. LG archaic.
Instructions for Xiaomi:
- Open the settings on your smartphone.
- Go to the Connections and Sharing section โ Broadcast (Cast).
- Turn on device search. The smartphone will start scanning available screens.
- In the list, select your TV. LG (The name will be displayed as LG_XXXX webOS TV).
- Confirm the connection on both devices.
Instructions for the television LG:
- Press the Home button on the remote.
- Go to Settings. โ Connection โ Screen Share.
- Activate the option "Enable Screen Share".
- Wait until the TV appears in the list of available devices on the smartphone.
Wi-Fi enabled on both devices |
TV and smartphone on the same network (if using Wi-Fi Direct)|
Screen Share activated on TV|
On the smartphone is enabled screen broadcasting|
Disabled. VPN Proxies (can block the connection)-->
If the connection does not occur, try:
- ๐ Reboot both devices.
- ๐ถ Reconnect to another Wi-Fi network (e.g., a smartphone access point).
- ๐ง Reset network settings on the TV: Settings โ Network โ Resetting the network.
โ ๏ธ Note: Some Xiaomi models (e.g. Redmi Note 8 Pro) POCO X3) Miracast may conflict with the Developer Mode enabled. If the broadcast does not start, turn off the Developer Mode in your smartphone settings.
3. Method 2: Using Google Cast (Chromecast)
If Miracast doesnโt work or the connection is constantly broken, the alternative is Google Cast, a technology supported by most modern TVs. LG (This method will require webOS 4.0:
- ๐ฑ Xiaomi smartphone with Google Home app installed.
- ๐บ Television LG Google Cast (check the Screen Share section in the settings) โ Google Cast).
Step-by-step:
- Install the Google Home app from the Play Market on your smartphone.
- Open the app and press "+ " โ "Set up the device" โ "Set up new devices".
- Choose your TV. LG from the list (it should be displayed as LG webOS TV).
- Confirm the code that will appear on the TV screen.
- Once connected, open a video or photo on your smartphone, click the Cast icon (usually in the upper right corner) and select the TV.
The advantage of this method is the stability of the connection and support for broadcasting from most applications (YouTube, Netflix, Google Photos).
- โ Not all apps support Cast (such as TikTok or local video players).
- โ Image delay can reach 1-2 Seconds, which is critical for games.
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If the TV doesn't appear in the Google Home device list, check if it has the option "Google Cast" enabled in the Screen Share settings. LG It is hidden behind the additional menu "Extended settings".
Method 3: Connecting through third-party applications (ApowerMirror, TeamViewer)
If the built-in methods donโt work, third-party apps will come to the rescue, especially useful for older Xiaomi models (like Redmi). 4X or Mi A1), where there is no Miracast support, or for TVs LG webOS.
Top.-3 screencast:
| Annex | Xiaomi support | Delay. | Features |
|---|---|---|---|
| ApowerMirror | โ All models. | ~500 ms. | It works on Wi-Fi and USB, supports control from the TV |
| TeamViewer QuickSupport | โ Android 5.0+ | ~800 ms. | Registration is required, but stable on weak devices |
| Miracast Display | โ ๏ธ Only with MIUI 11+ | ~300 ms. | It uses built-in Miracast, but with improved compatibility |
Instructions for ApowerMirror:
- Install the app on your smartphone and TV (if you have a LG No Play Market, download it. APK official website).
- Connect both devices to the same Wi-Fi network.
- Run ApowerMirror on your smartphone and select "Connect to" TV".
- On the TV, open the app and confirm the connection.
The main advantage of this method is flexibility: you can broadcast the screen even on TVs without webOS (for example, old ones). LG But be prepared for NetCast:
- ๐ข Higher latency compared to Miracast.
- ๐ด Consumption of smartphone battery (up to) 15-20% hourly during active broadcast).
How to reduce the delay in ApowerMirror?
5. Solving common connection errors
Even with the right setup, the connection might not work, so let's look at the typical problems and their solutions.
Error 1: "The device is not supported" (on the TV) LG)
- ๐ง Reason: Outdated firmware of a TV or smartphone.
- ๐ Solution: Update webOS on your TV: Settings โ Support โ Update the software. MIUI on a smartphone: Settings โ The phone. โ Update: If there are no updates, try resetting the network settings on both devices.
Error 2: The screen is flashing or the broadcast is interrupted
- ๐ง Reason: Low Wi-Fi speeds or interference from other devices.
- ๐ Solution: Switch router to 5 GHz channel (less busy). Turn off the router's Smart Channel Switch (may cause breaks). Reduce the resolution in Miracast settings (for example, with 1080p before 720p).
Error 3: No sound when broadcasting
- ๐ง Reason: The TV is on "Video Only" or locking HDCP.
- ๐ Solution: On the TV, go to Settings โ Sound. โ Output of sound and select "External speakers (HDMI ARC)". If you are broadcasting protected content (e.g. Disney)+), The sound may be blocked. Try another app.
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If neither method worked, check to see if the antivirus or firewall on your smartphone is blocking the broadcast, for example, Avast or 360 Security may view Miracast as a potential threat.
Alternative methods: USB, HDMI and DLNA
If wireless methods don't work, consider wired options, which guarantee stability and minimal latency.
Connection to USB (MHL/OTG):
- ๐ Suitable for Xiaomi smartphones with support USB OTG (Most models after 2017).
- ๐บ The TV must have a port. USB Type-A with support MHL (check in the instructions).
- ๐ง It'll take an adapter. USB-C/MicroUSB โ HDMI (for example, Xiaomi USB-C to HDMI).
After connecting, select the signal source on the TV. USB or HDMI (adapter-dependent).
Connection to DLNA:
- ๐ Allows you to broadcast only media files (photos, videos, music) and not the entire screen.
- ๐ฑ On your smartphone, use BubbleUPnP or LocalCast apps.
- ๐บ On the TV, activate it. DLNA network-setting.
Connection to HDMI (adapter):
- ๐ฎ Optimal for playing games or watching high-resolution video.
- ๐ Use the adapter. USB-C โ HDMI (For the new Xiaomi or MicroUSB โ HDMI (old-model).
- โก Make sure the adapter supports DisplayPort Alt Mode (otherwise the screen may not be displayed).
Wired methods are free of latency or connection breaks, but require the purchase of adapters. - Xiaomi's original adapter, for example USB-C to HDMI near 1500-2000 โฝ, But it guarantees stable operation.
7. Stream Optimization: How to Improve Quality and Speed
Even if the connection is installed, the quality of the picture and the smoothness of the broadcast can be disappointing.
For wireless methods (Miracast/Google Cast):
- ๐ถ Use a router with Wi-Fi 6 support (802.11ax) or at least 5 GHz.
- ๐ Reduce the broadcast resolution to 720p, if there are lags.
- ๐ Close background apps on your smartphone (especially messengers and cloud services).
- ๐ก Place your router closer to your TV and smartphone (or use the Mesh system).
For wired methods (HDMI/USB):
- ๐ฎ Choose adapters with support for games HDMI 2.0 (capacity up to 18 Gbps).
- ๐ Use short cables (up to 1.5 m) โ long cables can cause interference.
- ๐ฅ Set the resolution on your smartphone: go to Settings โ Display. โ Screen resolution and select Full HD (if the TV supports).
Critical moment: On TVs LG OLED 2023 year (series) C3/G3) when connected HDMI may work ALLM (Auto Low Latency Mode), which causes color distortion. To disable this feature, go to Settings โ All settings โ Picture โ Game modes โ ALLM and deactivate it.
8. Comparison of methods: which one to choose?
To facilitate the choice, we will bring all methods into one table with their pros and cons.
| Method | Delay. | Quality. | Difficulty setting up | Suitable for |
|---|---|---|---|---|
| Miracast (Screen Share) | ~100-200 miss | โญโญโญโญ (before 1080p) | Medium | Viewing videos, presentations |
| Google Cast | ~500-1000 miss | โญโญโญ (before 1080p, compression) | Low. | Streaming from apps (YouTube, Netflix) |
| The Appendix (ApowerMirror) | ~300-800 miss | โญโญโญ (depends on the network) | Tall. | Older or without Miracast devices |
| HDMI-adapter | ~50 ms. | โญโญโญโญโญ (before 4K) | Low. | Games, high-resolution video |
| DLNA | N/D (media only) | โญโญโญ (originality) | Medium | Viewing photos/video from the gallery |
For most users, the best solution is Miracast (Screen Share), which combines low latency and easy connectivity. If you need a minimum lag (for example, for games), you should use it better. HDMI-Adapter: Google Cast is more convenient for streaming content from apps.
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On TVs. LG webOS 6.0+ (2021 and later, Quick Share is available, which automatically selects the best broadcast method (Miracast or Google Cast) depending on the device.