Why Xiaomiโs screen duplication on TV may not work the first time
You try to show vacation photos on the big screen, run a mobile game on your TV or hold a presentation from your smartphone - but the duplication of Xiaomi's screen on TV stubbornly doesn't want to work, POCO or flagship Xiaomi 13/14. The causes of failures are mass: from banal incompatibility of protocols to hidden settings MIUI, Which the manufacturer has โforgotโ to document.
In this article, we will analyze all the current methods of duplication (including little-known ones), dwell in detail on Miracast, Google Cast and other options. HDMI, We'll also give you checklists to diagnose common errors, and we'll focus on the specifics of the firmware. MIUI 14/15, So, the connection algorithm has changed from the previous versions, and if you've tried the standard methods and they didn't work, you'll find alternative solutions here.
Important: methods from the article tested on Xiaomi Mi TVs TV (including models Q2, A2, P1), and other brands of TV (Samsung, LG, Sony) with Miracast or Chromecast support, and for older device owners (e.g. Redmi Note 5), we have a separate section with workarounds.
1. Wireless duplication via Miracast (native method for Xiaomi)
Miracast is a wireless screen standard built into most modern Xiaomi smartphones and TVs.It doesnโt require a single Wi-Fi network (unlike Google Cast), but it has its nuances. The main advantage is minimal latency (up to 50 ms), which is critical for gaming or watching videos.
To activate Miracast on your smartphone:
- ๐ฑ Open the Settings. โ Connections and sharing โ Screen transmission (on MIUI 14/15 The path may be different: Settings โ Screen. โ TV broadcast).
- ๐ Turn on the search for available devices. The TV should appear in the list (e.g., as Mi). TV [MODEL] or Wireless Display).
- ๐ Click on the TV name and confirm the connection. Some models will need to enter PIN-code (displayed on the TV screen).
If the TV doesnโt find the smartphone (or vice versa), check:
Is Miracast on your TV (in Network settings) โ Miracast or Screen โ Wireless display)
Is the firmware on both devices updated (especially relevant for the MIUI 14+)
Is there any active? VPN or firewall blocking the connection
The distance between the devices does not exceed 5 metres (optimum โ 2-3 )
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An important moment for MIUI 15: In the latest firmware versions, Miracast may be hidden. To return it, go to Settings โ Special facilities โ Functions Lab and activate the Wireless Display option (Miracast).
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If after connecting the image โbrakesโ, try Miracast settings on TV to reduce the resolution to 720p or disable the option Adaptive frame rate.
2.Google Cast (Chromecast) โ an alternative for Android TVs TV
If your TV is running on Android TV (For example, Xiaomi Mi TV A2 Unlike Miracast, this protocol requires both devices to be connected to the same Wi-Fi network, but supports more features (for example, streaming individual applications instead of the entire screen).
Instructions for setting:
- Make sure that the TV has Google Home app installed (usually preinstalled on Android TV).
- On the Xiaomi smartphone, open Settings โ Connections โ Transfer to TV and select Google Cast.
- In the list of devices, select your TV. If it is not, click Update or check if Cast is enabled in the TV settings (Settings). โ Devices โ Screen transmission).
- Confirm the connection on both devices. For some applications (for example, YouTube or Netflix), a separate Cast button will appear in the interface.
The advantages of Google Cast:
- ๐ฎ The ability to broadcast only sound (good for music).
- ๐บ Support 4K HDR with a good Wi-Fi connection.
- ๐ Automatic reconnection when returning to the home network.
Limitations:
- โ It doesnโt work without the internet (unlike Miracast).
- โ Delay to 200 ms - not suitable for gaming.
- โ Some apps (such as TikTok) block the broadcast.
Miracast
Google Cast (Chromecast)
HDMI (wire-connection)
Another method
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3. Wired connection via HDMI (minimum delays)
If you want maximum stability (for example, for streaming games or working with graphics applications), the best option is a wired connection through the Internet. HDMI. This will require:
- 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 version 2.0 or higher 4K).
Step-by-step:
- Connect the adapter to the smartphone and connect it to the TV through HDMI-cable.
- On the TV, select the appropriate signal source (e.g. HDMI 1).
- On the smartphone may appear a request for permission to transfer the screen โ confirm it.
- If the image does not appear, go to Settings โ Screen. โ Regime. HDMI and select Duplicate screen or Expand screen.
Comparison of adapters for Xiaomi:
| Adapter model | 4K support | Delay. | Price (2026) | Compatibility |
|---|---|---|---|---|
| Xiaomi USB-C to HDMI (original) | โ Yes. | ~20 ms. | ~1 500 โฝ | All models with USB-C (except for Redmi 9A/10A) |
| Anker 310 | โ Yes, 60 Hz) | ~15 ms. | ~2 200 โฝ | Anybody. USB-C DisplayPort Alt Mode |
| Baseus Mini | โ No (max. 1080p) | ~30 ms. | ~900 โฝ | Budget models (Redmi Note 11 and older) |
Attention! on some Xiaomi smartphones (e.g., on some Xiaomi smartphones, POCO X3 or Redmi Note 8 for work HDMI-Adapter needs to be enabled by debugging USB In the developer settings. To activate it, go to Settings. โ About the phone and 7 times click on the version MIUI.
What to do if the adapter is not detected?
4.Duplicate through apps (for older Xiaomi models)
If your smartphone or TV doesnโt support you Miracast/Google Cast (e.g. Redmi) 4X television 2018 year, you can use the side of the application:
1. ApowerMirror (for Android and iOS)
- ๐น It works via Wi-Fi or USB.
- ๐น Supports screen recording and annotations.
- ๐น Free version with watermarks.
How to connect:
- Install ApowerMirror on your smartphone and TV (or PC if the TV doesnโt support apps).
- Connect both devices to the same Wi-Fi network.
- On your smartphone, launch the app and select Connect to TV.
- Scan it. QR-TV screen code or enter PIN.
2. TeamViewer QuickSupport (for remote assistance)
- ๐น Allows not only to duplicate the screen, but also to control the smartphone with TV.
- ๐น Requires account registration.
- ๐น Latency up to 300ms โ not suitable for dynamic content.
3. LetsView (free analogue)
- ๐น Supports broadcasting without root rights.
- ๐น There is a whiteboard function for presentations.
- ๐น It works on Android TVs. TV 7.0+.
โ ๏ธ Note: When using third-party apps, never give them administrator rights - this can lead to data leakage.Before installing, check reviews on Google Play (especially pay attention to complaints about advertising or hidden payments).
5. Features of duplication on Xiaomi Mi TVs TV
Xiaomi Mi TVs TV (The Q, A, P, S series have unique features for screen duplication that competitors do not. For example, the 2023-2026 models implemented Mi Quick Connect technology, which automatically detects Xiaomi smartphones on the same network and offers to connect in one click.
How to activate Mi Quick Connect:
- On the TV remote, press the Mi button (with the brand logo).
- Choose a Quick Connection โ Screen duplication.
- On the smartphone will appear notification โ click Connect.
Additional features for Mi owners TV:
- ๐ฏ Game mode: when the screen is duplicated, the low latency mode is automatically turned on (Game Mode).
- ๐ Audio synchronization: you can output the sound either to the TV or to the smartphone (setting in Settings) โ Sound. โ Audio output).
- ๐ฑ Control from the remote: in some applications (for example, Mi Video) you can use the remote TV to navigate on your smartphone.
If the Mi Quick Connect is not working:
Make sure your smartphone is Bluetooth enabled (needed for initial synchronization)
Update the Mi Home app on your TV and smartphone
Restart both devices (sometimes Mi Quick Connect cache reset helps)
Check if the TV is added to the blacklist in the smartphoneโs Wi-Fi settings
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โ ๏ธ Note: On Xiaomi TVs with firmware below Android TV 11 There may be no Miracast support in the mode. 1080p/60fps. In this case, when dubbing the screen, you will have to manually reduce the resolution to 720p in Miracast settings.
6. Solving typical screen duplication problems
Even with the right setup, you can run into errors.-5 problems and ways of solving them:
1.The TV does not find the smartphone (or vice versa)
- ๐ Reboot both devices.
- ๐ถ Check that Wi-Fi and Bluetooth are enabled (even for Miracast, some TVs require Bluetooth to search for the same thing).
- ๐ง On your smartphone, go to Settings โ Annexes โ Application management โ Three points. โ Reset your settings for Miracast or Google Cast.
2.The image is lagging or slowing down
- ๐ถ Reconnect to Wi-Fi at 5GHz (less interference).
- ๐ฎ In Miracast settings, select Performance Mode (if any).
- ๐ For HDMI: Use a version 2.0 or higher cable.
3. No sound when dubbing
- ๐ On your smartphone, check if the No Sound mode or Vibration is worth it.
- ๐ฑ In the notification bar, click on the Cast icon and select Transmit the sound to TV.
- ๐ง On the TV, in the audio settings, turn off Volume Sound or Dolby Atmos (sometimes they conflict with streaming audio).
4.The black screen after connection
- ๐ Change the screen resolution on your smartphone (for example, with FHD+ on HD+).
- ๐ง In the developer settings (Settings) โ The phone. โ Version. MIUI โ 7 taps) turn off hardware acceleration.
- ๐ฑ Check whether the duplicate application running (for example, banking or with the Internet) is blocked. DRM-protection).
5.The connection is constantly breaking.
- ๐ถ Reduce the distance between devices (optimally up to 3 meters).
- ๐ Check the battery power of the smartphone (at a level below 20%, some functions are turned off).
- ๐ง In the Wi-Fi settings of the TV, turn off energy savings.
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If none of the methods worked, try resetting the network settings on your smartphone (Settings). โ Wi-Fi โ Additionally. โ Resetting network settings: This will delete all saved connections, but often solves problems with Miracast and Google Cast.