Xiaomi smartphones and TVs come with a host of built-in apps, including Cast or Miracast, a tool that often raises questions about why itโs needed, how it works, and why it sometimes refuses to connect to devices. If you see this app in the menu of your Redmi, POCO or Mi TV You donโt know what to do with it โ this article will help you understand all the nuances.
At first glance, the function seems simple: transferring the screen from the phone to the TV. But in fact, Translation in the Xiaomi ecosystem supports many more scenarios, from streaming videos to controlling a smart home through a large screen, with many users facing compatibility issues, image delays or sudden communication breakdowns, we will analyze in detail how the technology works, what protocols it uses, and why it is sometimes better to choose alternative solutions.
In this article you will find:
- ๐ What is Translation and How is it Different from Chromecast or AirPlay?
- ๐ฑ Supported devices โ which smartphones and TVs are compatible
- โ๏ธ Step-by-step setting up for different Xiaomi models
- โก Common mistakes and ways to eliminate them
- ๐ Alternative applications if the built-in function does not work
1.What is the Translation app in Xiaomi and how does it work
Translation (which can be called Cast or Wireless Display in international firmware) is a built-in tool for wirelessly transferring a smartphone screen to external devices such as TVs, monitors or projectors. It is based on Miracast technology, the wireless standard supported by most modern TV and media players. Unlike proprietary solutions like Apple AirPlay or Google Chromecast, Miracast does not require a connection to a single Wi-Fi network, it creates direct communication between devices (peer-to-peer).
Key features of the technology:
- ๐ถ Direct connection โ no router is needed, just turn on Wi-Fi on both devices.
- ๐ฎ Low latency is around 50โ100ms, which is suitable for gaming (but not for eSports).
- ๐ Protection WPA2 โ The connection is encrypted to prevent data interception.
- ๐บ Support 4K โ on new Xiaomi models (e.g. Mi) TV Q2 or Redmi Smart TV X).
Miracast has limitations, however, such as not supporting streaming of protected content (Netflix, Disney).+ in high resolution, because DRM-In addition, older smartphones (Redmi Note 5 and earlier) can have a noticeable lag of sound from video (up to 0.5 seconds), which makes watching movies uncomfortable.
2.Which Xiaomi devices support the broadcast function
The Translation feature is available on almost all Xiaomi devices released after 2018, but there are nuances. 9A or POCO M3) Support only the basic version of Miracast without 4K, flagships (Xiaomi 13 Ultra or Mi 11) โ advanced protocols, including Google Cast for streaming from YouTube.
Below is the compatibility table of popular devices:
| Type of device | Model | Miracast support | Max, permission. | Additional functions |
|---|---|---|---|---|
| Smartphones | Xiaomi 13/13 Pro, Mi 11 | โ Yes. | 4K@30Hz | Google Cast, low latency |
| Smartphones | Redmi Note 10/11, POCO X4 | โ Yes. | 1080p@60Hz | โ |
| Smartphones | Redmi 9A/8A | โ ๏ธ Partially. | 720p@30Hz | Sound delay, lags. |
| Televisions | Mi TV Q2, Redmi Smart TV X | โ Yes. | 4K@60Hz | DLNA, AirPlay (on new models) |
| Televisions | Mi TV 4A (2018โ2019) | โ Yes. | 1080p@30Hz | No. HDR broadcast |
Important: on Xiaomi TVs, the stream feature may be called Wireless Display or Screen Mirroring. To find it, go to Settings. โ Connections โ Wireless display.
โ ๏ธ Note: If your smartphone does not see a Xiaomi TV in the list of available devices, check whether Miracast mode is turned on on on TV (sometimes it is turned off by default in the developer settings).
3. How to use the application "Translation": step-by-step instructions
Connecting Xiaomi smartphone to the TV via Translation can be done in a few steps. MIUI 12-14 and HyperOS.
Turn on Wi-Fi on your smartphone and TV
Make sure both devices are charged (minimum 30%)
Turn off VPN or proxy on your phone
Check that the TV is not in energy saving mode.-->
Step 1: Turn on the function on the TV
- On the Mi remote. TV press the Home button.
- Go to Settings โ Connections โ Wireless display.
- Activate the โEnableโ option (on some models โ โAllow Connectionโ).
Step 2: Start the broadcast from your smartphone
- Open the "Settings" on the phone.
- Go to the Connections and Sharing section โ Broadcast (or Wireless Display).
- In the list of available devices, select your Xiaomi TV.
- Confirm the connection on both devices (entry may be required) PIN-code).
Step 3: Set up the broadcast parameters
After connecting, you can:
- ๐ Change orientation (album/book) in the notification curtain.
- ๐ Turn off the sound on your phone, leaving it only on TV.
- ๐ถ Switch to 5 GHz (if there are lags) in Wi-Fi settings.
If the phone screen isn't showing up on TV, try restarting the feature or reconnecting (MIUI Global) helps reset network settings: Settings โ Wi-Fi โ Additionally. โ Resetting network settings.
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If the broadcast is running late, try reducing the screen resolution in the developer settings (Settings) โ The phone. โ Version. MIUI โ tap 7 times, then find the option Minimum width resolution and set 720p).
4. Common Problems and Their Solutions
Even on new Xiaomi devices, users are experiencing broadcast errors. Consider typical scenarios and how to fix them.
Problem 1: The TV is not displayed in the list of devices
- ๐ Check that both devices are connected to the same Wi-Fi network (if you are using Google Cast instead of Miracast).
- ๐ Restart your router โ sometimes DHCP-server does not issue IP-local-network addresses.
- ๐ฑ Update the firmware on your smartphone and TV (in Settings) โ About the system โ Update of the PO).
Problem 2: The picture is lagging or slowing down
- ๐ถ Switch to 5GHz in Wi-Fi settings (less interference).
- ๐ Close the background apps on your phone (especially instant messengers and games).
- ๐ฎ Reduce the broadcast resolution to 720p developer-setting.
Problem 3: No sound when broadcasting
- ๐ Check if the sound on the TV is turned off (Mute button on the remote control).
- ๐ฑ In the phone notification curtain, tap on the โTranslationโ notification and select โPlay sound on this deviceยป.
- ๐ Reconnect to TV โ sometimes the audio stream โhangsยป.
โ ๏ธ Note: Xiaomi TVs with firmware older than 2021 may not support audio when broadcasting from iPhone (due to Apple restrictions.
What if the broadcast stops every 5-10 minutes?
5. Alternatives to the built-in Translation application
If the standard Miracast feature is unstable, you can use third-party solutions, which often offer more features, such as streaming from a PC or streaming on a local network without a direct connection.
Top.-3 Alternatives to Xiaomi:
- ๐บ Google Home (Chromecast) โ supports streaming from YouTube, Netflix and Google Photos.
- ๐ฎ Steam Link โ optimized for gamers (low latency, support for gamepads).
Xiaomi TVs are also available for:
- ๐ AirPlay (on 2022 and newer models) โ for streaming from iPhone or Mac.
- ๐ DLNA โ to reproduce media files from NAS or PC (included in Settings) โ Network services).
If you need to stream protected content (such as Disney movies)+ into 4K), The only reliable way to use HDMI-Google Chromecast Ultra, because Miracast does not support Widevine L1 for DRM.
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For maximum broadcast stability, use a router with Wi-Fi 6 support (802.11ax) And it's going to be 5 GHz, which will reduce latency and improve image quality.
6. Hidden functions of the Translation application
Few people know, but the Translation app on Xiaomi has a few hidden features that can be activated through developer settings or special gestures.
Function 1: Game Monitor Mode
On smartphones with MIUI 13+ And HyperOS, when you stream games, you have low latency, and you activate it:
- Connect to the TV via "Translation".
- Start a game (e.g. Call of Duty Mobile or Genshin Impact).
- In the notification curtain, tap on the broadcast notification and select โGame Modeโ.
Function 2: Broadcasting only sound
If you want to play music on your TV speakers but not the screen:
- Connect to the TV via "Translation".
- In the notification curtain, select โSound onlyโ.
- Close the app on your phone and the sound will continue to stream.
Function 3: Managing a Smart Home via TV
If you have Xiaomi Smart Home devices (lamps, sockets, robot vacuum cleaner), they can be controlled from the big screen:
- Connect your smartphone to the TV.
- Open the Mi Home app.
- The interface will appear on the TV, and you will be able to control the devices from the remote.
โ ๏ธ Note: Hidden features may vary depending on regional firmware. MIUI (For example, Xiaomi 13 with China firmware ROM) Additional options are available, such as 120Hz broadcast (but support TV is required) HDMI 2.1).
7.Security and confidentiality when using broadcasting
When you transmit a screen over a wireless network, there are risks of data leakage, especially if you connect to public displays (such as in a hotel or office).
Security advice:
- ๐ต Turn off the broadcast when it is not needed (click on โDisableโ in the notification curtainยป).
On Xiaomi TVs, you can include additional protection:
- Go to Settings. โ Security โ Screen protection.
- Activate the โRequestโ option PIN plug-inยป.
- Set a complex password (at least 6 digits).
If you are broadcasting a screen in a public place, avoid entering passwords or opening banking apps. Use guest mode on your phone for presentations (Settings) โ System system โ Guest mode) to restrict access to personal data.
8.The future of broadcasting in the Xiaomi ecosystem
Xiaomi is actively developing wireless data technologies, and in 2026, the company announced several innovations that will appear in future updates:
- ๐ Support for Wi-Fi 7 โ less 20 ms and permission up to 8K@60Hz.
- ๐๏ธ Voice broadcasting โ the ability to use a TV microphone for voice commands on a smartphone.
- ๐ค AI optimization โ automatic adjustment of picture quality depending on the content (movies, games, presentations).
Integration with Xiaomi HyperConnect, a technology that integrates all the devices in the ecosystem (smartphone, TV, laptop, tablet) into a single network for instant file transfer and streaming, for example, you can start a movie on your phone and continue it on your TV without pause.
For owners of older devices (Xiaomi Mi) 9, Redmi Note 7) The good news is that some of the features will be available through HyperOS updates, but for full support. 4K@120Hz will require hardware acceleration, which is not in budget models.