Itโs hard to imagine a modern home without the ability to stream content from a smartphone to a big screen. Projecting a screen from Xiaomi to a TV opens up new possibilities, from watching high-resolution movies to showing presentations or games on a wide display. However, not everyone knows that you do not need to buy expensive adapters for this โ most Xiaomi models (starting with the Redmi Note 7 and Mi 9) support wireless broadcasting according to the Miracast standard or through proprietary applications.
In this article, we will discuss all current ways of connecting, including wired and wireless methods, as well as discuss typical problems and their solutions. TV, Samsung, LG, Sony Bravia and versions Android/MIUI. If youโve ever encountered errors like โDevice not supportedโ or โNo displays available,โ here are some practical tips to fix them.
1. Wireless broadcast via Miracast (built-in feature)
Miracast is a Wi-Fi Direct live streaming technology that doesnโt require a router connection. All Xiaomi smartphones based on MIUI 10 and later (including Redmi 10, POCO X3, Mi 11) support this protocol. The main condition is that the TV must also be compatible with Miracast (usually models no older than 2016).
To activate the broadcast:
- Open Settings โ Connections and Sharing โ Broadcast (Cast).
- Turn on the Wireless Display slider.
- In the list of available devices, select your TV (the name usually includes a model, such as Xiaomi TV 4S 55).
- Confirm the connection on both devices.
If the TV is not on the list, check:
- ๐ Update firmware on both devices (especially relevant for Xiaomi) TV PatchWall below version 3.0).
- ๐ถ Wi-Fi mode: Some TVs require a connection to the same network as the phone, even for Miracast.
- ๐ Firewall: Antiviruses like Avast or 360 Security can block broadcasts.
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If the broadcast is interrupted, try reducing the phoneโs screen resolution to 720p in the developer settings (Settings โ About Phone โ MIUI version โ tap 7 times).
2. Wired connection via HDMI (for stability)
If you need minimal latency (for example, for games or videos) 4K), wire-connection HDMI-Adapter is the best choice. Xiaomi does not complete smartphones with a connector HDMI, So you're gonna need an adapter:
- ๐ฑ USB-C โ HDMI (model USB Type-C: Mi 10, Redmi Note 11, POCO F4).
- โก Micro-USB โ HDMI (For older models: Redmi 5, Mi A1).
Instructions for connection:
- Connect the adapter to the smartphone, and HDMI-cable.
- On your TV, select the HDMI signal source (usually the Source or Input button on the remote).
- A request for permission to transfer an image may appear on the phone - confirm it.
Does the phone support HDMI output (not all budget models can do this)
Is the original adapter used (cheap Chinese may not transmit sound)
Whether the right one is chosen HDMI-port on the TV (usually signed as HDMI 1/ARC)
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Important: Adapters on an MHL chip (like the Redmi 4X) require external USB power โ without it, the image will flash or be missing.
3. Broadcasting through applications (YouTube, Netflix, MIUI Cast)
To stream content from specific applications (like YouTube or Netflix), you don't have to duplicate the entire screen, but use the "Cast" feature that most media services have, which saves battery life and reduces the load on the phone's processor.
How it works:
- ๐ฌ YouTube: Open the video โ tap on the Cast icon (in the upper right corner) โ Choose a TV.
- ๐ฟ Netflix/Disney+: similarly, but may require a support account 4K.
- ๐ฑ MIUI Cast: Xiaomiโs proprietary photo and video app (available in the video) MIUI 12.5+).
Limitations of the method:
โ ๏ธ Note: Some applications (such as TikTok or Twitch) block the broadcast due to copyright protection, in which case only duplicate screens through Miracast or other devices will help. HDMI.
4.Using Google Cast (Chromecast) and DLNA
If your TV doesnโt support Miracast, but you have a Google Chromecast device or an Android TV, you can use the Google Cast protocol.This method is universal and works even with iPhone, but there are nuances for Xiaomi:
Step-by-step:
- Connect Chromecast to HDMI-Port your TV and set it up via Google Home.
- Make sure your phone and Chromecast are connected to the same Wi-Fi network.
- In an app that supports Cast (like Google Photos or Spotify), tap the stream icon and select your Chromecast.
For local files (photos, videos, music) you can use DLNA protocol, for example, you can use the BubbleUPnP application:
- ๐ Run BubbleUPnP on your phone and select the file.
- ๐ Your TV will appear on the list of devices (if it supports it). DLNA).
- ๐ต For music, control functions are available from the TV remote.
What is Miracast different from Google Cast?
5. Solving typical connection problems
Even when you set it up correctly, users often encounter errors, and here are the most common ways to fix them:
| Problem. | Possible cause | Decision |
|---|---|---|
| "No devices available." | Miracast is disabled on the TV | Include settings in the TV menu โ Network โ Miracast or Screen Mirroring |
| Sound/image delay | Weak Wi-Fi signal or network congestion | Reconnect to 5 GHz network or use a wired connection |
| No sound when broadcasting | The phone has a different sound source (e.g. Bluetooth) | Check the sound settings in Settings โ Sound โ Output device |
| "Device not supported" | Outdated firmware on your phone or TV | Update MIUI to the latest version and TV firmware |
If none of these methods work, check:
- ๐ Powering TV: Some models (Samsung) QLED 2020 โ Miracast is blocked in energy-saving mode.
- ๐ ๏ธ Developer mode: on the phone turn on Debugging by USB Do not turn off the screen in the settings for developers.
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On Xiaomi TVs with PatchWall, sometimes resetting network settings: Settings โ Network โ Resetting network settings helps.
6. Alternative methods: via router or PC
If live broadcasting is not possible, an intermediate device may be used:
- ๐ฅ๏ธ Through the computer: connect the phone to the PC USB, And the PC, to the TV. HDMI. Use programs like ApowerMirror or Vysor to duplicate your screen.
- ๐ก Router: Some models (Xiaomi Mi Router) 4A) Supports Miracast broadcasting over a local network.
For advanced users, there is an option using ADB (Android Debug Bridge):
adb shell am start -n com.android.tv.settings/.device.display.DisplaySettingsActivityThis command forcibly opens the display settings on Android TV, where you can manually add the device for broadcasting.
7. Comparison of methods: which one to choose?
The choice of method depends on your tasks:
- ๐ฎ For games: only HDMI (minimum delay).
- ๐ฅ For movies: Miracast or Google Cast (convenience).
- ๐ For presentations: Miracast or wired connection (stability).
- ๐ฑ For social media: screen duplication through MIUI Cast.
Critical information: On LG TVs with webOS below version 4.0, Xiaomi broadcasts can only work through apps (e.g. YouTube) but not Miracast.
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For owners of the POCO F3 and Redmi K40: these models support Wi-Fi 6, which allows you to stream video in 4K without delay, provided that the TV is also equipped with Wi-Fi 6 (for example, Xiaomi TV Q2 75).