If you have ever tried to transfer an image from a smartphone to a large screen without wires, then you probably encountered the acronym WFD. In Xiaomi devices, whether itโs Mi TVs TV, Redmi Smart TV smartphone-series Mi/Redmi/POCO โ This service is key to wireless broadcasting, but what exactly is behind these three letters? Why is it that sometimes the connection is interrupted, and in some cases, the devices can't see each other at all?
In practice. WFD (Wireless Display is the wireless media standard that underpins the Miracast technology that Xiaomi is actively using, unlike proprietary solutions like AirPlay (for Appleโs ecosystem) or Google Cast, WFD It works at the Wi-Fi Direct protocol level, making it universal for most modern gadgets, but users often wonder if their Xiaomi model supports this standard, how to turn it on. WFD On TV or Phone, and Why a Picture Can โSlow Downโ Even on a High-Speed Router.
In this article, we will not only analyze the technical nuances of the work. WFD-We will also give step-by-step instructions for setting up for different Xiaomi devices, consider typical errors (for example, code 10 or 22 when connecting) and suggest ways to fix them. WFD for playing or watching movies in 4K โ Please note the section on network requirements and hardwareยป.
What is it? WFD Xiaomi: Technical Basics
abbreviation WFD It stands for Wireless Display, which is wireless audio and video transfer between devices without router intermediation, and in the Xiaomi ecosystem, it is implemented through the Miracast protocol, which is based on standards:
- ๐ถ Wi-Fi Direct โ allows devices to connect directly, bypassing the access point;
- ๐ฎ Wi-Fi CERTIFIED Miracast โ a certified low-latency streaming protocol;
- ๐ H.264 โ Video compression codec used to transmit stream.
The main difference WFD from alternative solutions (e.g, DLNA Chromecast: no reliance on Internet connectivity and real-time screen duplication, critical for games, video calls or presentations where a delay of even 100ms can be noticeable:
- โ ๏ธ Maximum flow resolution depends on the Wi-Fi version on devices (e.g. Wi-Fi). 5 maybe not 4K@60Hz);
- โ ๏ธ Latency (latency) is usually 30-100 ms, which is unacceptable for professional gamers;
- โ ๏ธ Not all apps support broadcasting through WFD (For example, Netflix or Disney+ can block the output by HDCP).
In devices Xiaomi service WFD It's integrated at the firmware level, like Mi TVs. TV 4S, Mi TV Q1 or Redmi Smart TV X it is activated via the Settings menu โ Connection and sharing โ Wireless display. on smartphones (for example, Xiaomi 13 Pro or POCO F5) The option is hidden under the name Screen Transfer or Miracast in Quick Settings.
Compatibility WFD: What Xiaomi devices support the service
Not all Xiaomi gadgets are supported WFD/Miracast. Below is a table with current data on popular models (on the 2026 Please note that even if the device is on the list, it may be necessary to update the firmware to the latest version to stable operation.
| Type of device | Supported models | Features |
|---|---|---|
| Televisions | Mi TV 4S/4X/4A, Mi TV Q1/Q2, Redmi Smart TV X, Xiaomi TV A Pro | Support 1080p@60Hz and 4K@30Hz (model) |
| Smartphones | Xiaomi 12/13/14, Redmi Note 11/12, POCO F4/F5, Mi 11 Ultra | Android is required 10+ and Wi-Fi 5/6 |
| Tablets | Xiaomi Pad 5/6, Redmi Pad | Support HDR10 broadcast |
| Laptops | Xiaomi Mi Notebook Pro, RedmiBook Pro | Only as a source (cannot be a receiver) |
Important: Some budget models (e.g. Redmi) 9A or POCO M3) may not support WFD Because of the limitations of the hardware, to check compatibility:
- On TV: Go to Settings โ About the program and find the Miracast item or WFD.
- On your smartphone: open Settings โ Connections โ Screen transfer. If you don't have an option, the device doesn't support the technology.
โ ๏ธ Note: On Xiaomi TVs with firmware MIUI TV There may be no support beyond 2021 WFD 2.0, which limits the broadcast resolution to 1080p.
How to turn it on WFD On the TV Xiaomi: step-by-step instructions
Activation. WFD-TV service on Mi TVs TV or Redmi Smart TV It takes less than a minute, but there are nuances depending on the firmware version:
- Turn on the TV and go to the main menu by pressing the Home button on the remote.
- Open the settings (cog icon) โ Select the Connection and Sharing section.
- Find Wireless Display (or Miracast in older versions).
- Activate the slider Enable and wait for the TV name to appear in the list of available devices.
If the wireless display item is missing:
- ๐ Update the TV firmware through Settings โ About the programme โ Update of the PO.
- ๐ Check if the section is hidden in the โDeveloper Modeโ (activated by multiple clicks on the Version) MIUI TV).
- ๐ก Make sure your TV is connected to Wi-Fi (even if you are streaming over Wi-Fi Direct).
Update the firmware to the latest version|
Turn on Wi-Fi on the TV|
Activate the "Wireless Display" mode"|
Check absence VPN/proxy-->
Once activated, the TV will become a receiver of the signal, and now you have to connect a source to it, whether it's a smartphone, a tablet or a laptop, and you can read the next section on how to do that.
Setting up WFD Xiaomi smartphone: from Mi 11 to POCO X5
On Xiaomi mobile devices, the process of connecting to WFD It is standardized, but may differ depending on the version MIUI. Common algorithm:
- Unlock your smartphone and swipe down from the top edge of the screen to open the notification panel.
- Find the Screen Transfer (or Miracast) tile. If you don't have one, click Edit and add it manually.
- Slip on the tile and wait for the scan of available devices.
- Select from the list your Xiaomi TV (the name will match the model, for example, MiTV-Q1-1234).
- Confirm the connection on both devices (entry may be required) PIN-code).
If your smartphone doesnโt see the TV:
- ๐ Reboot both devices.
- ๐ถ Make sure your TV is on Wi-Fi (even if you use Wi-Fi Direct).
- ๐ Turn it off. VPN Firewalls that can block the connection.
- ๐ ๏ธ Reset network settings on your smartphone: Settings โ SIM-maps and mobile networks โ Resetting network settings.
๐ก
If the image on the TV is displayed with artifacts, try lowering the broadcast resolution in the settings. WFD on a smartphone (usually the option is hidden in additional connection parameters).
On some models (for example, Xiaomi 13 Ultra) is available option Game mode at the time of the game. WFD-A connection that reduces latency to 30 to 50 ms:
- Connect to the TV through WFD.
- In the notification panel, tap on the active connection Screen transfer.
- Select Game Mode (or Low Lag).
Common mistakes WFD and their decisions
Even with the right setup, Xiaomi users often face problems when using the device. WFD. Below is a list of common mistakes and ways to fix them.
| Error code | Description | Decision |
|---|---|---|
| 10 | Devices cannot establish a connection | Check if Wi-Fi is on on both devices. Reboot the router. |
| 22 | Incompatible versions of the protocol WFD | Update your TV and smartphone to the latest version. |
| 404 | TV not found on device list | Activate Wi-Fi Direct mode manually on your TV. |
| 500 | Video transmission error (artifacts, lags) | Reduce the broadcast resolution or switch to a 5 GHz network. |
Additional problems and solutions:
- ๐ต No sound: Check if the sound on your smartphone is turned off or if the No sound mode on your TV is activated.
- ๐ผ๏ธ Black screen: Turn it off HDCP In the settings of the TV (if available) or try another signal source.
- ๐ Fast battery discharge: WFD actively uses a Wi-Fi module and processor, so it is recommended to connect the smartphone to charging.
โ ๏ธ Note: If after updating the firmware of the TV Xiaomi stopped supporting WFD, perform reset to factory settings through Settings โ About the programme โ Reset. It'll bring back the standard network settings.
Why? WFD It is running slowly on Xiaomi?
WFD Alternatives: Whatโs Best for Xiaomi
WFD/Miracast โ It's not the only way to broadcast the screen on Xiaomi devices. Let's look at the alternatives and their features:
| Technology | Advantages | Deficiencies | Xiaomi support |
|---|---|---|---|
| WFD (Miracast) | No router dependency, low latency | Limited resolution, not all applications support | Yes (TVs and smartphones) |
| Google Cast (Chromecast) | Support 4K HDR, work-in | Requires stable Wi-Fi, latency up to 200 ms | Yes (via annexes) |
| DLNA | Universality, support for media files | For photo/video only, no screen duplication | Yeah (TVs) |
| HDMI (wired) | Maximum quality, zero delay | We need cables and adapters. | Yes. Type-C/HDMI) |
The choice of technology depends on the task:
- ๐ฎ For games: Optimal WFD low-latency or wired HDMI.
- ๐ฌ Movies: Better than Google Cast (if needed) 4K HDR) or DLNA locally.
- ๐ For presentations: WFD Wi-Fi Direct (minimum lags).
On Xiaomi TVs with Google TV (for example, Xiaomi TV A2 2026) all of these technologies are available, including the Chromecast:
- Open the Settings. โ Devices and sharing โ Broadcasting.
- Turn on the Google Cast option.
- On a smartphone in the app (for example, YouTube), tap the broadcast icon and select the TV.
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To ensure maximum quality of broadcasting through WFD Use a 5GHz network and place devices no more than 5 meters apart.
Optimization WFD Video and video games: expert advice
If you plan to use it WFD for dynamic content (games, sports broadcasts, video in the 4K), Standard settings may not provide a comfortable viewing experience. The following recommendations will help improve the quality of the experience:
- ๐ถ Use Wi-Fi 6: Supported Routers 802.11ax (For example, Xiaomi Router AX6000) reduce the delay to 20-30 ms.
- ๐ง Turn off background tasks: On your smartphone, close all applications except the one being broadcasted (especially instant messengers and cloud services).
- ๐ฏ Customize bitrate: In the engineering menu of some Xiaomi models, you can manually limit bitrate WFD Up to 20 Mbps for stability: ##4636## โ Information on Wi-Fi โ Parameters WFD
- ๐ Switch to 5 GHz: In the router settings, select a separate 5 GHz network and connect both devices to it.
It's critical for gamers to have late entry. WFD on Xiaomi TV:
- ๐ฎ Use a gamepad connected directly to your smartphone (not via Bluetooth to your TV).
- ๐ฅ๏ธ Activate Game Mode on TV: Settings โ Picture โ Image mode โ Playing.
- ๐ Connect the smartphone to charging โ this will prevent the processor from trottling due to overheating.
For video broadcasting 4K:
- ๐บ Make sure the TV supports you. HEVC (H.265) โ without 4K@60Hz through WFD impossible.
- ๐ฑ On your smartphone, enable the option High quality in the screen Transfer settings.
- ๐ If you use a router, disable QoS (Quality of Service) โ it can artificially limit bandwidth.
โ ๏ธ Attention: During broadcasting 4K-content WFD on Xiaomi smartphones with Snapdragon chipset 7xx (for example, POCO X3 Pro) may overheat. Use a cooling stand or limit the resolution to 1440p.