Do you want to stream a Xiaomi, Redmi or POCO screen to a big TV screen, but donโt know how to do it without HDMI wire? Screen Mirroring (or โscreen transferโ) is a built-in MIUI feature that allows you to duplicate the display of a smartphone on TV over Wi-Fi. But many users face problems: the connection is cut, the sound is not transmitted, the TV simply โcanโt seeโ the phone.
In this article, weโll break down all the working ways of connecting (including hidden MIUI settings), explain why Miracast or Google Cast might not work, and give you a checklist for bug fixes. And compare which method is best for games, videos or presentations. Whether you have a Xiaomi 13 Pro or a budget Redmi Note 12, the instruction is universal for all models on MIUI 12-14 and HyperOS.
What is Screen Mirroring and how does it work for Xiaomi?
Screen Mirroring (or โscreen duplicationโ) is a technology for wirelessly transferring images and sound from a smartphone to an external display (TV, monitor, projector), which is implemented on Xiaomi smartphones through two protocols:
- ๐ Miracast is a wireless transmission standard that runs directly over Wi-Fi (without the Internet.
- ๐ก Google Cast (or Chromecast) is a technology from Google that requires a router. Works with TVs that support Google TV Android TV.
The main difference is that Miracast creates a direct connection between your phone and TV (like Bluetooth), and Google Cast uses your home Wi-Fi network. This affects signal latency (lag) and stability: Miracast is better for games, Google Cast is better for streaming videos.
On Xiaomi smartphones, Screen Mirroring is hidden in the Settings menu โ Connections and Sharing โ Screen Transfer. But there is a caveat: on some firmware (especially HyperOS), the path may be different. It is also important that the TV supports at least one of the protocols, otherwise you will have to use an adapter (for example, Mi TV Stick).
Preparing the phone and TV before connecting
Before you click โConnectโ, check the 4 key parameters that determine success:
- MIUI/HyperOS version. Old firmware (below MIUI 10) may not support Miracast. Update in Settings โ About Phone โ System Update.
- Wi-Fi and Bluetooth. Both modules should be enabled - even if you're using Miracast (it uses Wi-Fi Direct, which uses Bluetooth for initial synchronization).
- Power saving mode. Turn it off in Settings โ Battery, otherwise the connection may be interrupted.
- TV compatibility: Make sure your TV supports Miracast (usually indicated under the "Screen Mirroring" or "Wireless Display" instructions).
If you have a Samsung or LG TV, you may need to manually enable the following:
- ๐บ On Samsung: Settings โ General. โ External devices โ Screen Mirroring.
- ๐บ Nana LG: Settings โ Network โ Miracast (or Screen Share).
- ๐บ Xiaomi. TV: Settings โ Connections โ Wireless display.
โ๏ธ Checklist before connection
The important thing is, if you connect to a TV through Google Cast, your phone and TV must be on the same Wi-Fi network, but Miracast doesn't have to be on the same network.
Method 1: Screen Mirroring via Miracast (without the Internet)
This is the most versatile method, as it works without a router and is supported by most TVs. MIUI 12-14 and HyperOS:
- Open Settings โ Connections and Sharing โ Screen Transfer.
- Click on โScreen Transferโ (or โWireless Displayโ on HyperOS).
- Turn on the Miracast option (if it is disabled).
- The phone will start looking for the available devices. Choose your TV from the list.
- Confirm the connection on the TV screen (entry may be required) PIN-code).
If the TV is not on the list:
- โ ๏ธ Make sure your TV is on Screen Mirroring (see instructions above).
- โ ๏ธ Restart your phone and TV.
- โ ๏ธ Try to turn it off. VPN Proxies on the phone โ they can block the connection.
The advantages of Miracast:
- ๐น Low latency (suitable for gaming).
- ๐น Doesn't require a router.
- ๐น It transmits both sound and image.
Cons:
- ๐ธ Can slow down with a weak Wi-Fi signal.
- ๐ธ Not all apps support audio transmission (for example, Netflix or YouTube can block playback).
๐ก
If the image on the TV breaks or lags, reduce the resolution of the phone screen in the screen Transfer โ Image Quality settings. Choose 720p instead of 1080p for stability.
Method 2: Google Cast (Chromecast) for Android TV and Google TV
If your TV is running Android TV or Google TV (e.g. Sony Bravia, Xiaomi Mi TV, Nvidia Shield), then it is better to use Google Cast.
- ๐ Connecting TV and phone to the same Wi-Fi network.
- ๐ฑ Installed Google Home app (download to Play Market).
Step-by-step:
- Install and open the Google Home app.
- Click "+" โ "Configure device" โ "Configure new devices."
- Select your TV from the list (it should show up as a Chromecast or a TV model name).
- Confirm the connection on the TV screen.
- Now in applications (for example, YouTube or Google Photos) will appear the icon Cast (๐บ) โ Click on it to start broadcasting.
Features of Google Cast:
- ๐ฌ Supports broadcasting only specific content (video, music, photos), not the entire screen.
- ๐ฎ Not suitable for games - the delay is too high.
- ๐ The sound is always transmitted (unlike Miracast, where there may be restrictions).
Why does Google Cast not show a transfer icon in some apps?
Method 3: Screen Mirroring via Xiaomi TV (PatchWall)
If you have a Xiaomi Mi TV (based on PatchWall), the connection process is as simple as possible thanks to the proprietary ecosystem.
- On the TV, open Settings โ Connections โ Wireless display.
- On a Xiaomi smartphone, go to Settings โ Connections and Sharing โ Screen Transfer.
- Select your Mi TV from the list. If the TV doesn't show, click "Update."
- Confirm the connection on both devices.
Advantages of this method:
- ๐น Automatic audio and resolution setting.
- ๐น Minimum Lags (optimized for Xiaomi).
- ๐น Game Mode Support (reduces latency in games).
If the connection is interrupted:
- โ ๏ธ Check that Miracast is on the TV (not just for the TV) DLNA).
- โ ๏ธ Turn off the energy saving function on your phone.
Bonus: You can use a voice assistant on the Mi TV to control the broadcast, say, "OK, Google, show the phone screen," and the TV will suggest you connect.
Table of comparison of methods Screen Mirroring on Xiaomi
| Method | Wi-Fi required | Delay (lag) | Suitable for games. | Sound transmission | Difficulty setting up |
|---|---|---|---|---|---|
| Miracast | โ No (Wi-Fi Direct) | โญโญ (low-key) | โ Yes. | โ ๏ธ Partially (depending on the application) | โญโญ (simple) |
| Google Cast | โ Yes (one network) | โญโญโญ (middle-class) | โ No. | โ Completely. | โญโญโญ (needle) |
| Xiaomi TV (PatchWall) | โ No. | โญ (minimal) | โ Yeah (with game-mode) | โ Completely. | โญ (simple) |
| HDMI-adapter | โ No. | โญ (absent) | โ Yes. | โ Completely. | โญโญ (need an adapter) |
If you need maximum quality without lags (for example, to watch movies in the movie theater) 4K or games, the best option โ HDMI-Adapter (e.g. Xiaomi) USB-C to HDMI). But for everyday use, Miracast is enough.
Frequent problems and how to fix them
Even if you did everything according to the instructions, there may be errors. TOP-5 problems and solutions:
โ ๏ธ Warning: If after connecting on the TV displays a black screen, but the sound is coming - check the settings HDCP (Some apps (e.g. Netflix) block broadcasts because of this feature. Solution: disable HDCP In the settings of the TV or use HDMI-adapter.
Problem 1: The TV is not visible in the list of devices.
- ๐น Reboot your phone and TV.
- ๐น Make sure your TV is on Screen Mirroring.
- ๐น Turn it off. VPN or Proxy on the phone.
- ๐น Check if the connection is blocked by an antivirus (e.g. Avast or 360 Security).
Problem 2: The image is lagging or "breaking."
- ๐น Reduce resolution in screen transfer settings โ Image quality (select the image) 720p instead 1080p).
- ๐น Bring the phone closer to the TV (maximum 5 meters).
- ๐น Disable other devices connected to Wi-Fi (they may interfere with the device).
Problem 3: No sound.
- ๐น In the screen transfer settings, turn on the option to transmit sound.
- ๐น Check if the sound on the TV is off.
- ๐น For Netflix or Disney+ Use Google Cast instead of Miracast.
Problem 4: The connection is constantly breaking.
- ๐น Turn off the energy saving mode on the phone.
- ๐น Update the firmware of the TV and smartphone.
- ๐น Try connecting via another Wi-Fi network (if you use Google Cast).
Problem 5: The TV only displays part of the screen.
- ๐น In the screen transfer settings, select Fit under the screen.
- ๐น Check the aspect ratio on the TV (it should be 16:9).
๐ก
If none of the methods work, try resetting the network settings on your phone: โ SIM-maps and mobile networks โ Network reset. This often solves connection problems.