Do you want to show pictures from your vacation on the big screen, run a mobile game on the Xiaomi Mi TV 4S or stream video from your phone without unnecessary wires? Connecting your smartphone to a TV of this model opens up a lot of possibilities - from watching content in high resolution to using TV as a second monitor. However, not all ways of transmitting images are equally convenient: somewhere you need to buy an adapter, and somewhere there are enough built-in features Miracast or Google Cast.
In this article, we will analyze 5 proven methods of displaying the screen on Mi. TV 4S — From wireless technologies to wired connections, and also tell you how to solve typical problems (for example, when the TV can not see the phone or the image is slowing down). MIUI, And if you don't know which way to go, at the end of this article, there's a comparison table with the pros and cons of each option.
1. Wireless transmission over Miracast (Screen Mirroring)
Miracast technology is a wireless screen transmission standard built into most modern Xiaomi smartphones and TVs.It does not require a connection to a single Wi-Fi network (unlike Google Cast), but has range limitations (up to 10 meters) and can slow down when signal is weak.
To activate Screen Mirroring on Mi TV 4S, follow the following steps:
- 📺 On the TV remote, press the Home button, then go to Settings. → Connection and sharing → Wireless display.
- 📱 On the Xiaomi smartphone, open Settings → Connection and sharing → Wireless display (or screen without frames in older versions) MIUI).
- 🔍 In the list of available devices, select the name of your Mi. TV 4S (For example, Xiaomi-TV-XXXX).
- ✅ Confirm the connection on the TV if you receive a request.
If your phone doesn’t find the TV, check:
- 🔋 The battery level of the smartphone (at low charge Miracast can turn off).
- 📶 The presence of interference from other wireless devices (routers, microwaves).
- 🔄 Rebooting your TV and phone (sometimes helps to reset temporary crashes).
⚠️ Note: On some Mi models TV 4S With firmware older than 2020, Miracast may not work smoothly. Update your TV software via Settings → On TV. → Updating the system.
2. HDMI connection (for Android and iPhone)
The conductive method through HDMI Ensures stable image without delay, which is critical for games or video 4K. However, this will require an adapter, as modern smartphones do not have any. HDMI-It's a port, it's a good fit for Xiaomi:
- 🔌 USB-C → HDMI (cellphone USB Type-C, for example, Redmi Note 10 Pro or Xiaomi 12).
- ⚡ Lightning → HDMI (iPhone, but only the original adapter from Apple).
Instructions for connection:
- Connect the adapter to the smartphone, and HDMI-cable HDMI 1/2 on the back of the Mi TV 4S.
- On the TV, select the appropriate signal source (click Input on the remote and select HDMI 1/2).
- On the smartphone may appear a request for permission to transfer the image – confirm it.
If the image does not appear:
- 🔄 Try another one. HDMI-cable (not all cables support video transmission).
- 📱 Reboot your phone with a connected adapter.
- 🔧 In the settings of the TV, check if the mode is turned on HDMI-CEC (Settings → System system → HDMI-CEC).
Check the adapter's compatibility with the phone model |
Use it. HDMI-cable version 2.0 or higher (for 4K)|
Turn off the power saving mode on the phone |
Select the right signal source on TV-->
⚠️ Note: When connecting your iPhone to Mi TV 4S through HDMI Solution: In your phone settings, go to Universal Access. → Audiovisual settings and turn on Monitoring sound.
3. Broadcast via Google Cast (Chromecast built-in)
Xiaomi Mi TV 4S supports Google Cast technology, which allows you to stream content from apps (YouTube, Netflix, Google Photos) directly to your TV. Unlike Miracast, it does not transfer the entire screen, but only videos or photos from compatible programs.
How to use:
- Make sure your phone and TV are connected to the same Wi-Fi network.
- Open the app (like YouTube) and click the broadcast icon (📺).
- In the list of devices, select your Mi TV 4S.
- On the TV, a confirmation request may appear – click Allow.
List of apps that support Google Cast:
- 🎬 YouTube, Netflix, Disney+
- 📷 Google Photo, VLC
- 🎵 Spotify, Yandex Music
- 🎮 Stadia (for cloud gaming)
If the broadcast is interrupted:
- 📶 Check Wi-Fi speed (minimum 10 Mbps for Full) HD).
- 🔄 Reconnect the TV to the router.
- 📱 Close the background apps on your phone (they can slow down the broadcast).
💡
If Google Cast doesn’t find a TV, try manually adding the device to the Google Home app: click Add → Set up the device → New device and select Mi TV 4S from the list.
4. USB-C connection (for Android smartphones)
A lesser-known but effective way is to connect your phone to your TV via USB-C. This requires a USB-C → USB-A cable (or adapter) and support for USB OTG on your smartphone. The Mi TV 4S recognizes the phone as an external drive, allowing you to view photos and videos without transferring the screen.
Step-by-step:
- Connect the USB-C cable to the phone and the other end to the USB port on the TV.
- On the phone screen, select File Transfer (or MTP) mode.
- On the TV, open the File Manager or Media Player app.
- Select the folder with the files you want (e.g. DCIM → Camera for photos).
Limitations of the method:
- ❌ No screen transfer (only viewing files).
- ❌ Not all video formats are supported (e.g..mov may not play).
- ⚡ The phone will be discharged faster due to active data transfer.
Important: To view 4K video via USB, a USB 3.0-enabled cable (usually marked in blue) is required. Standard USB 2.0 is limited to 480 Mbps, which can cause lags.
5.Using AirPlay for iPhone (with limitations)
Owners of iPhone or iPad may face a problem: Xiaomi Mi TV 4S does not support AirPlay out of the box.
- ApowerMirror app:
Apple TV + HDMI:
Apple TV
AirPlay
Disadvantages of methods:
| Method | Delay. | Quality. | Cost |
|---|---|---|---|
| ApowerMirror | Medium (200-300 ms) | Up to 1080p. | Free (with advertising) |
| Apple TV | Minimum (50 ms) | Up to 4K HDR | From 8000. ₽ |
| HDMI-adapter | Absent. | Up to 4K. | From 1,500. ₽ |
⚠️ Note: When using ApowerMirror, the sound may be transmitted with a delay. To sync, open the application settings on your TV and turn on the Audio Sync option.
Comparison of all methods: which one to choose?
To determine the best method, evaluate your priorities:
| Criteria | Miracast | HDMI | Google Cast | USB-C | AirPlay |
|---|---|---|---|---|---|
| Image quality | Up to 1080p. | Up to 4K. | Up to 1080p. | Depends on the files. | Up to 1080p. |
| Delay (lag) | Medium | Absent. | Minimum | Absent. | Medium |
| Internet is required | No. | No. | Yes. | No. | Yes. |
| Additional devices | No. | adapter (~1 500 ₽) | No. | Cable (~500 ₽) | Apple TV (~8 000 ₽) |
| Suitable for games. | No (lag) | Yes. | Partially. | No. | No (lag) |
💡
For watching movies and photos, the best choice is Google Cast (if you have stable Wi-Fi) or HDMI (If you want the best quality, for games, it's very clear. HDMI, Because it only provides a minimum delay.
Typical problem solving
If the image is not transmitted or the broadcast is interrupted, check the following points:
- 🔌 TV Can't See Phone on Miracast: Reasons and Solutions 1. Outdated firmware: Update TV Software via Settings → On TV. → System update. 2. Conflict IP-Addresses: Reboot the router or assign a static router IP 3 Firewall Block: On your phone, temporarily disable the antivirus (e.g., Avast or 360 Security).
- 🎮 Lags in games HDMI: In the settings of the TV, turn on the Game mode (Settings) → Picture → Image mode → Game).
- 🔊 No sound when connected: On your phone, check if No Sound or Vibration is enabled.
If the problem persists, try resetting the network settings on your TV:
- Go to Settings → Network and Internet → Reset network settings.
- Connect to Wi-Fi again and try to transfer the screen again.