Introduction: Why broadcast the screen of a smartphone on a TV
Xiaomi smartphones today are not just callers, but full-fledged multimedia centers. Watching videos, games, presentations, or even duplicating a screen for easy work becomes much more comfortable when the picture is displayed on a large TV screen. But how to organize such a broadcast to avoid delays, communication interruptions or compatibility problems?
In this article, we will analyze all the current ways to transfer the screen from Xiaomi smartphones (including Redmi, POCO and Black Shark models) to TVs of different brands - from Samsung and LG to Xiaomi TV and Android TV devices. You will learn which method to choose depending on your technique, how to set up a connection without lags and what to do if the broadcast does not start.
We will pay special attention to hidden MIUI settings, which allow you to improve the broadcast quality on weak TVs or with unstable Wi-Fi. We will also analyze typical errors (for example, code 10 or 7 in Miracast) and how to fix them.
1. Wireless broadcast via Miracast (built-in MIUI functionality)
Miracast is a wireless screen transmission standard supported by most modern Xiaomi smartphones and TVs. It works without the Internet, directly connecting devices over Wi-Fi Direct. The main advantage is minimal latency, which is critical for gaming or watching videos.
To activate the broadcast via Miracast:
- Open Settings โ Connections and Sharing โ Screen Transfer.
- Select Wireless Display (or Miracast in older versions of MIUI).
- Turn on device search and select your TV from the list.
- Confirm the connection on both devices (entry may be required) PIN-code).
If the TV is not on the list, check:
- ๐ Is the firmware on the smartphone and TV updated (especially relevant for Xiaomi models) TV A2 or Redmi Smart TV).
- ๐ถ Is Miracast enabled in your TV settings (usually in the Network section) โ Miracast or Screen โ Wireless display).
- ๐ Does your TV support Miracast (outdated Samsung models before 2016 may not have this feature).
Enable Wi-Fi on your smartphone|Update firmware MIUI|Check out Miracast support on TV|Turn it off. VPN (can block the connection)-->
On Xiaomi TVs, you can turn on Quick Connection mode in Miracast settings to speed up the connection, which reduces device search time, but can slightly increase the power consumption of the smartphone.
โ ๏ธ Note: On some models POCO (for example, POCO X3 Pro) Miracast is hidden. To activate it, go to Settings โ About the phone, tap 5 times on the version MIUI, Then go back to the additional settings. โ Lab and turn on the Wireless Display.
2. Streaming via Google Cast (Chromecast, Android TV)
If your TV supports Google Cast (built into Android TV or through devices like Chromecast, Nvidia Shield), you can use it to duplicate the screen. This method is more versatile than Miracast, but can cause delays when playing games.
Instructions for setting:
- Make sure your smartphone and TV are connected to the same Wi-Fi network.
- Open the Google Home app (download from the Play Market if it doesnโt exist).
- Click on the icon of your TV in the main menu.
- Select Translate Screen โ Translate the screen of the device.
For Xiaomi models with MIUI 12+, there is an alternative way:
- Swipe down to call the notification panel.
- Find the Cast tile (if it is not available, click Edit and add it manually).
- Choose your TV from the list.
If the broadcast is interrupted or is carried with artifacts:
- ๐ก Check Wi-Fi speed (minimum 5 Mbps for Full) HD).
- ๐ง Switch router to 5GHz channel (less interference).
- ๐ฑ Close background apps on your smartphone (especially instant messengers and games).
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If the TV doesn't show up in the list of broadcast devices, try restarting the router. DHCP-The server forgets to register new devices on the network.
3. Wired connection via HDMI (for minimum delays)
If you want maximum stability (for example, for streaming games or professional presentations), the best option is a wired connection via HDMI.
- ๐ฑ Xiaomi Smartphone with Support USB-C (Micro-USB for older models).
- ๐ adapter USB-C โ HDMI (We recommend original from Xiaomi or certified by Anker).
- ๐บ Free port TV HDMI (preferably HDMI 2.0 4K).
Step-by-step:
- Connect the adapter to the smartphone.
- Connect the adapter to the TV through HDMI-cable.
- On the TV, select the appropriate signal source (HDMI 1/2/3).
- On the smartphone may appear a request for permission to transfer the screen โ confirm it.
Important nuances:
- ๐ The wired connection drains the battery quickly. Use a charge with power from the battery. 18W.
- ๐ฎ For games, it is recommended to turn on the Game Turbo mode in MIUI, reduce delays.
- ๐ The screen resolution will be automatically adjusted to the TV, but you can change it manually in Settings. โ Screen. โ Permission.
โ ๏ธ Note: Cheap Uncertified Adapters USB-C โ HDMI may not support sound output or give artifacts at resolution above 1080p. Before buying, check the reviews about compatibility with your Xiaomi model.
4. Broadcasting through third-party applications
If the built-in methods don't work (for example, on older TVs), you can use third-party applications.
| Annex | Supported TV | Features | Reference |
|---|---|---|---|
| ApowerMirror | Any with HDMI or Wi-Fi | Support for control with TV, screen recording | Play Market |
| TeamViewer QuickSupport | Anyone with a browser | Remote management, but there are delays | Play Market |
| LetsView | Samsung, LG, Xiaomi TV | Free, no registration | Play Market |
| Screen Mirroring (from Xiaomi) | Only Xiaomi TV. | Optimized for the MIUI ecosystem | Pre-installed |
To configure through ApowerMirror:
- Install the app on your smartphone and PC/TV (if there is a version for your model).
- Connect both devices to the same Wi-Fi network.
- Launch the app on your smartphone and select Start broadcasting.
- On the TV, open the browser and go to the address specified in the application.
The advantage of third-party applications is support for additional features, such as:
- ๐ค Separate audio from video (useful for streaming).
- ๐ฑ Smartphone management from the TV remote (in ApowerMirror).
- ๐น Recording the broadcast screen directly on the TV.
How to stream a screen on a TV without Wi-Fi?
5. Broadcast specific applications (YouTube, Netflix, games)
You donโt always have to duplicate the entire screen โ many apps support live streaming of content to the TV, which saves smartphone resources and improves picture quality.
Examples:
- ๐ฌ YouTube: Click on the Cast icon in the top right corner of the video.
- ๐ฎ Games: Google Play Games or Xiaomi Game Turbo has the option to stream the game.
- ๐บ Netflix/Disney+: The Cast icon appears when playing.
- ๐ท Gallery: IN MIUI You can stream a photo/video through Open to โ The device.
To stream games with minimal delays:
- Enable Game Turbo mode in Settings โ Special features.
- Connect the Xiaomi Game Controller to your Bluetooth TV.
- Use Miracast or HDMI โ Google Cast can delay up to 200ms.
If the Cast icon is not active:
- ๐ Update the app (for example, YouTube often blocks streaming on uncertified devices).
- ๐ Check if your TV supports Google Cast (the list of compatible models is available on the Google website).
- ๐ง Reset the network settings on the TV (Settings) โ Network โ Reset).
6. Problem Solving: Translation Errors and Correction
Even with the right setup, there can be errors.
| Error code | Reason. | Decision |
|---|---|---|
| 10 | Device incompatibility | Update your TV firmware or use HDMI |
| 7 | Weak Wi-Fi signal | Switch to 5 GHz or connect wire |
| 2240 | Firewall locking | Turn off VPN and antivirus on your smartphone |
| No devices found | Miracast is offline on TV | Turn on Screen Mirroring TV settings |
Additional advice:
- ๐ If the broadcast is lagging, reduce the screen resolution in Miracast settings (Settings) โ Screen transmission โ Quality).
- ๐ก For Google Cast, turn off Wi-Fi power saving (Settings) โ Battery โ Energy saving regime โ Otknock.).
- ๐ If the sound is not transmitted through HDMI, Check the sound output settings (Settings) โ Sound. โ Exit โ HDMI).
โ ๏ธ Note: Some Redmi Note models (e.g. Redmi Note 10 Pro) after upgrading to MIUI 14, the Cast tile is lost in the curtain. To return it, reset the notification bar settings: Settings โ Notification panel โ Drop it.
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If the TV does not support any of the wireless methods, the only reliable option is a wired connection through the Internet. HDMI-adapter.
7. Comparison of broadcast methods: which one to choose
The choice of method depends on your tasks and equipment. Here is a quick comparison:
| Method | Delay. | Quality. | Difficulty | When to use |
|---|---|---|---|---|
| Miracast | Low (20-50 ms) | Up to 4K/60fps | Medium | Games, presentations |
| Google Cast | Medium (100-200 ms) | Up to 1080p/30fps | Low. | Movies, YouTube |
| HDMI | Minimum (5-10 ms) | Up to 4K/120fps | Tall. | Professional tasks |
| Party of annex | High (200+ms) | Up to 1080p. | Low. | Old TVs. |
For most Xiaomi users, the best choice is:
- ๐ฎ For games: Miracast or HDMI.
- ๐ฌ For movies: Google Cast or stream directly from the app (e.g. Netflix).
- ๐ For presentations: Miracast or wired connection.