Do you want to expand the capabilities of your Xiaomi device by connecting a second screen?This can be useful for multitasking on a smartphone, dubbing an image onto a TV, or even creating a full-fledged workspace with multiple monitors. In this article, we will analyze all available methods โ from wireless technologies to wired connections โ and also talk about the nuances for different Mi models. TV, Redmi Note and other devices of the brand.
It's important to understand that the functionality of the second screen depends on the model and the firmware version. MIUI 14+ Duplex Play supports simultaneous display on two displays, and Xiaomi TVs TV A Pro is Miracast's wireless duplication technology, and we've gathered the current techniques that work on devices from 2022 to 2026, and we've outlined the limitations for older models.
If youโre not sure if your device supports a particular feature, check its specs on the official Xiaomi website or in the system settings.
1. Wireless screen duplication on Miracast (for TVs and smartphones)
Miracast technology allows you to stream an image from a Xiaomi smartphone or tablet to a TV without wires. This method works on most Android 5.0 devices.+ It is supported by all modern Mi TV (starting with the Mi series TV 4A). The main advantage is the absence of delay (latency). ~30-50 ms, which is important for games and video.
To activate Miracast, follow the following steps:
- ๐ฑ On your smartphone: open Settings โ Connections and sharing โ Screen Transfer (or Wireless Display in Older Versions) MIUI). Enable device search.
- ๐บ On TV: Go to Settings โ Network and access โ Miracast (or Screen Mirroring) and activate standby mode.
- ๐ Once you find a TV on your smartphone, select it from the list. Confirm the connection on both devices.
If the connection is not established, check:
- โก Both devices are connected to the same Wi-Fi network (not necessarily for Miracast, but sometimes required for initial setup).
- ๐ The TV is enabled to take Miracast (in some models it turns off after 5 minutes of inactivity).
- ๐ถ No interference from other wireless devices (e.g. microwave ovens or routers at 2.4 GHz).
โ ๏ธ Attention: On Redmi smartphones 9/10 and POCO X3 When you connect to Miracast, you may see the edges of the screen cropped. To correct this, in the screen transfer settings, select Fit under the screen instead of Save proportions.
2. the wired connection through HDMI (smartphone USB-C)
If you need a stable connection without delay โ for example, to watch movies in the Internet 4K or streaming games - the best option is a wired connection through HDMI. This will require:
- ๐ adapter USB-C โ HDMI (Xiaomi smartphones 11/12/13 series K50).
- ๐บ Television or port monitor HDMI 2.0+ (support 4K@60Hz).
- ๐ Charger (connection through the HDMI discharges the battery faster).
Instructions for connection:
- Connect the adapter to the USB-C port of the smartphone.
- Connect the adapter to the TV with an HDMI cable.
- On the smartphone will appear a notification about the connection of the external display: ๐ Duplicate the screen โ the same image on both screens. ๐ฑ๐ป Expand the screen โ the second display as a continuation of the desktop (available on the MIUI 13+).
| Smartphone model | Max. HDMI resolution. | Support for HDR | Notes |
|---|---|---|---|
| Xiaomi 13 Ultra | 4K@60Hz | โ Yes. | Requires an adapter with DisplayPort 1.4 chip |
| Redmi Note 12 Pro+ | 1080p@60Hz | โ No. | Maximum Full HD even with the original adapter |
| POCO F5 | 2K@30Hz | โ ๏ธ Partially. | HDR It only works in apps (Netflix, YouTube) |
| Xiaomi 11T | 4K@30Hz | โ Yes. | Primary 60Hz the resolution is automatically reduced to 1080p |
The adapter supports DisplayPort Alt Mode|
HDMI cable version 2.0 or higher |
The TV is in the correct source mode (HDMI1/HDMI2)|
On the smartphone unlocked screen-->
โ ๏ธ Attention: On Xiaomi smartphones with Snapdragon processor 7xx (For example, Redmi Note 11 Pro when connected via HDMI may be off-charging USB-C. Use a hub with an additional port USB-PD feeding.
3. Duplex Play mode (for smartphones with a MIUI 14+)
Duplex Play is a unique feature of Xiaomi that allows you to use your smartphone and external screen independently of each other. For example, on the phone you can run a messenger, and on the TV โ a movie or a game. 13/14, MIX Fold 2/3) requires:
- ๐ฑ Smartphone on MIUI 14 or newer.
- ๐ Connection to HDMI Miracast (wireless mode is unstable).
- ๐ฎ External display with a resolution of at least 1080p.
How to turn on Duplex Play:
- Connect your smartphone to your TV (wire or wirelessly).
- In the notification panel, tap the icon of the connected display.
- Select Duplex Play Mode (if you donโt have an option, update your firmware).
- On the external screen will open a separate desktop with its own launcher.
Regime restrictions:
- โ Not all apps support simultaneous work on two screens (e.g., TikTok or Instagram will be duplicated).
- โ ๏ธ With wireless connection, lags in games are possible.
- ๐ Battery consumption increases by 30-40%.
What apps are optimized for Duplex Play?
4.Using Xiaomi TV as a second PC monitor
If you have Mi. TV or Redmi Smart TV, It can be used as an extra monitor for your computer, and it's convenient for work, streaming or gaming:
Method 1: Possible HDMI (wire-connection)
The most reliable method is to connect the TV to the PC via cable HDMI. For that:
- Connect PC and TV with cable HDMI (port on a graphics card or motherboard).
- On the TV, select the source of the signal (HDMI1/HDMI2).
- On PC, press Win. + P and select mode: ๐ Duplicate - the same image. ๐บ Only the second screen, output only on TV. ๐ฅ๏ธ๐บ Expand โ the desktop continues on the TV.
Method 2: Wi-Fi (wireless connection)
For wireless connection suitable:
- ๐ช Windows: Integrated Projection on this computer (Windows required) 10/11 Pro) or third-party programs such as SpaceDesk.
- ๐ง Linux/macOS: Scrcpy or Barrier (to control the mouse/keyboard).
For Mi. TV s MIUI TV 3.0+ Wireless Display is available, similar to Miracast for PC:
- On TV: Settings โ Connections โ Wireless display.
- On PC: Win + K โ Connect to a wireless display.
1. Reboot the PC and the TV.
2. Use another cable HDMI (preferably supportive HDMI 2.1).
3. Update the graphics card drivers (especially relevant for the NVIDIA/AMD).
4. Turn off the TV settings HDMI-CEC (Sometimes he's in conflict with the PC).-->
5. Set up the second screen on Xiaomi tablets (Pad) 5/6)
Xiaomi Pad 5 and Pad 6 tablets support external display connectivity, but with some limitations. Unlike smartphones, there is no Duplex Play mode, but it is available:
- ๐ Screen duplication by screen HDMI (adapter USB-C โ HDMI).
- ๐ฅ๏ธ Extension of the desktop (only on Pad 6 Pro with the MIUI Pad 14).
- ๐ฎ Connecting a gamepad (such as Xiaomi Game Controller) to play on the big screen.
Instructions for Xiaomi Pad 6:
- Connect the adapter. USB-C โ HDMI tablet-to-tablet.
- Connect the adapter to a TV or monitor.
- In the notification panel, the option will appear External Display - select the mode: Duplicate - a copy of the tablet screen. Expand (only on Pad 6 Pro) - the second screen as a sequel.
Please note:
- โ ๏ธ On Pad. 5 maximum resolution of external display โ 1080p@60Hz.
- โก When connected to the TV, the tablet will discharge faster (it is recommended to use a charger). 33W+).
- ๐จ In expansion mode on Pad 6 Pro, you can drag and drop windows between screens (as on PC).
6. Alternative ways: Chromecast, DLNA and third-party applications
If the built-in features of Xiaomi do not suit you, you can use third-party solutions.
1. Google Chromecast
Chromecast Device (or Google Cast built-in in Mi) TV Android TV) It allows you to stream content from your smartphone to your TV:
- ๐ฌ Support for streaming services (YouTube, Netflix, Disney)+).
- ๐ฎ Low latency when watching video (but not suitable for gaming).
- ๐ฑ It works on all Xiaomi smartphones with Android 6.0+.
How to use:
- Connect the Chromecast to your TV and set it up via the Google Home app.
- In a supported app (such as YouTube), click on the Cast icon (๐ก) and choose your Chromecast.
2. DLNA (media-file)
Protocol DLNA It allows you to stream photos, videos and music from your smartphone to your TV over a local network:
- ๐ฑ On your smartphone: turn on Transfer of media files (DLNA) in settings (Settings) โ Connections โ Additionally).
- ๐บ On TV: Open the Mi Media Center app or DLNA Player.
- ๐ Select a smartphone from the list of available devices and play the file.
3. Screen duplication applications
If the built-in features donโt work, try third-party apps:
- ๐ฑ ApowerMirror โ Duplication of screen over Wi-Fi or USB (delay ~100 ms).
- ๐ฎ TeamViewer QuickSupport - remote control of a smartphone from a PC (suitable for technical support).
- ๐บ LocalCast โ streaming video/photos on Chromecast or DLNA.
| Method | Delay. | Quality. | Difficulty setting up |
|---|---|---|---|
| Miracast | Low (~30ms) | Up to 4K@30Hz | Medium |
| HDMI | Absent. | Up to 4K@60Hz | Simple. |
| Duplex Play | Medium (~50 ms) | Do 2K@60Hz | Difficult (requires) MIUI 14+) |
| Chromecast | High (~200ms) | Up to 1080p@60Hz | Simple. |
| ApowerMirror | Medium (~100 ms) | Up to 1080p@30Hz | Medium |
๐ก
Games and videos with high quality requirements (4K, HDR) Use a wired connection to HDMI. Wireless methods (Miracast, Chromecast) are suitable for viewing content, but not for streaming or competitive games due to delays.
7 Problem Solving: What to Do If the Second Screen Is Not Working
If the second screen connection fails, check the following points:
Miracast's troubles
- โ The device is not in place: ๐ Restart the router and both devices. ๐ถ Make sure your TV and smartphone are connected to the same Wi-Fi network (even if Miracast works without it, sometimes itโs required for detection). ๐ง On your smartphone, turn on Developer Mode and activate Debugging over Wi-Fi.
- โก The connection is broken: ๐ก Change the Wi-Fi channel in the router settings (for example, from Auto to Channel 6). ๐ Connect your smartphone to charging (with a low battery charge, Miracast can shut down).
Problems with HDMI
- ๐ผ๏ธ No image: ๐ Try another cable or port. HDMI TV-wise. ๐ฑ On the smartphone in the screen settings select HDMI as the primary source of inference. ๐ง Update the TV firmware (on Mi) TV This is done through settings. โ Update of the PO).
- ๐จ Wrong resolution: ๐ฅ๏ธ On PC: Go to Screen Settings โ Additional settings and manually set the supported resolution. ๐ฑ On a smartphone: in settings HDMI Select Manual setting and specify 1920ร1080 or 3840ร2160.
How to update the firmware on Mi TV to correct problems with HDMI?
General recommendations
- ๐ Reboot: Sometimes it helps to reboot both devices.
- ๐ Logs: On Xiaomi smartphones you can see the connection logs through Settings โ The phone. โ Version. MIUI โ Press 5 times on the "Core" (the diagnostic menu will open).
- ๐ ๏ธ Reset network settings: On a smartphone: Settings โ Wi-Fi โ Additionally. โ Resetting network settings.