Wirelessly sync your smartphone with Xiaomi TV Wi-Fi opens up a wealth of possibilities, from viewing photos on a large screen to streaming high-definition videos without the hassle of wires. However, many users encounter issues—the TV doesn't detect the phone, the connection constantly drops, or the picture lags. In this article, we'll explore these issues. all current connection methods (including hidden MIUI functions), and we will also provide a checklist for eliminating common errors.
It is important to understand that the synchronization method depends on the TV model (Mi TV 4S, Mi TV Q1, Redmi Smart TV etc.) and firmware versions. For example, older devices on Android TV 9 do not support Miracast without updating, but new models with Google TV may require additional settings in Developer OptionsWe tested the instructions on devices from 2020–2026—all methods work, but the menu interface may differ slightly.
If you have previously tried to connect via HDMI adapter or USB-CIf you're experiencing lag, Wi-Fi syncing is the optimal solution. Its main advantage is the lack of a physical connection, allowing you to freely use your phone while streaming. The downside is potential delays due to network interference or a weak router. For information on how to avoid this, see the section on connection optimization.
1. Preparing your TV and phone for synchronization
Before connecting, make sure both devices meet the minimum requirements:
- 📺 Xiaomi TV: model not older than 2018 (with support
MiracastorDLNA), the firmware has been updated to the latest version. Check inSettings → About TV → Software Update. - 📱 Smartphone: Android 8.0+ (For Mi Share) or Android 10+ (For
Miracast), includedWi-FiAndBluetooth(for some methods). On iPhone available onlyDLNAorAirPlay(if TV supports it). - 🌐 Wi-Fi network: Both devices must be connected to one network (guest mode is not suitable!) Recommended speed - from
10 Mbpsfor Full HD and25 Mbpsfor 4K.
Pay special attention to your TV settings:
- Open
Settings → Network & Internet → Wi-Fiand check the connection. - Go to
Settings → Devices & Accessories → Screen Mirroring(orMiracaston older models). - Activate the option
Allow connectionorEnable Miracast.
⚠️ Warning: On TVs Xiaomi with firmwarePatchWallbelow version3.0support may be lackingMiracastIn this case, useDLNAor update the software.
On smartphone:
- 🔄 Restart your device (this will clear temporary network module errors).
- 📶 Turn off
Modem modeAndVPN- they can block local connection. - 🔒 In
Settings → Apps → Special access → File transferallow access for the application Mi Share (if you plan to use it).
2. Method 1: Miracast (screen mirroring without lag)
Miracast — is a wireless image transmission standard that allows Mirror your smartphone's screen to your TV with minimal latency (up to 50 ms). Suitable for games, videos and presentations. However, on Xiaomi TV There are some nuances:
- ✅ Works on all models with
Android TV 10+and smartphones with Android 8+. - ❌ Does not support sound in some applications (for example, Netflix or YouTube may block streaming due to DRM).
- ⚡ Requires a stable Wi-Fi signal at a frequency
5 GHz(on2.4 GHzlags are possible).
TV instructions:
- Turn on
Miracaston the menuSettings → Screen Mirroring. - Select mode
Connecting via Wi-Fi Direct(if there is such a clause). - Remember the name of your TV - you will need it to search from your phone.
Instructions for smartphone (Android):
- Open
Settings → Connected devices → Screen sharing(on Xiaomi/Samsung) orSettings → Display → Wireless Display(on Google Pixel). - Click
Start mirroringand choose yours Xiaomi TV from the list. - Confirm the connection on your TV (you may be asked to enter a PIN code).
If the screen is not duplicated:
- 🔄 Restart your router and change the Wi-Fi channel to
5 GHz(select the channel in the router settings36–48for minimal interference). - 📱 On the phone in
Settings → System → Developer Optionsturn onDebugging over Wi-Fi(if the option is available).
Both devices on the same 5GHz Wi-Fi network|
Miracast is enabled in TV settings|
The power saving mode is disabled on the phone|
The distance between devices is no more than 5 meters-->
3. Method 2: DLNA (media streaming)
DLNA — a protocol for transferring music, video, and photos without screen duplicationSuitable if you simply need to play a file from your phone to your TV, rather than mirroring the interface. Advantages:
- 🎵 Works with all formats (including
MKV,FLAC). - 📶 Less network load compared to
Miracast. - 🍎 Supported on iPhone (through apps like VLC or Infuse).
How to set up on Xiaomi TV:
- Open the app
Media player(orGalleryon new models). - Select a tab
DLNAorLocal area network. - Activate the option
Allow access.
On smartphone (Android):
- Install the application Mi Share (For Xiaomi) or BubbleUPnP (for other brands).
- In the application, select the file and press
Send to device→ select your TV. - On the TV, confirm receipt of the file.
For iPhone:
- Download VLC for Mobile from App Store.
- Open the video → click
Play on device→ select Xiaomi TV.
⚠️ Warning: Some videos inDLNAmay be played without sound due to restrictionsHDCPIn this case, useMiracastor connect your phone viaHDMI.
| Parameter | Miracast | DLNA |
|---|---|---|
| Screen lag | 50–100 ms | No (media only) |
| Sound support | Partial (no DRM content) | Yes (depending on formats) |
| Wi-Fi speed | From 25 Mbps | From 10 Mbps |
| iOS support | No | Yes (via apps) |
4. Method 3: Mi Share (Xiaomi's proprietary solution)
Mi Share - proprietary technology from Xiaomi, which combines Wi-Fi Direct And Bluetooth For fast file transfer and mirroring. Works only between devices. Xiaomi/Redmi/Poco and TVs with PatchWall.
Advantages:
- 🚀 Transfer speed up to
20 MB/s(fasterBluetooth10 times). - 🔒 Automatic data encryption.
- 🎮 Supports gamepad mode (you can play on TV using your phone as a controller).
How to connect:
- On TV:
Settings → Connections → Mi Share→ enable the option. - On your phone: open
Settings → Connections and Sharing → Mi Share. - Select a file or click
Screen mirroring→ connect to TV.
If Mi Share can't find TV:
- 📌 Make sure that both devices are enabled
Bluetooth(needed for initial pairing). - 🔄 Restart the service Mi Share in the phone settings (
Apps → Mi Share → Stop/Start). - 📱 Update the application Mi Share to the latest version in Google Play.
5. Troubleshooting connection issues
If syncing isn't working, use this checklist:
| Problem | Cause | Solution |
|---|---|---|
| The TV doesn't see the phone. | Different Wi-Fi networks | Connect both devices to the same network |
| Constant breaks | Weak router signal | Switch to 5 GHz or use a repeater |
| No sound | DRM restrictions | Use DLNA or HDMI |
| Lags in games | High latency | Close background apps on your phone |
Additional tips:
- 🔧 If your TV stops detecting devices after updating your firmware, reset your network settings:
Settings → Network → Reset network settings. - 📡 For stable operation
Miracastdisable the function on the routerBand Steering(it can automatically switch devices between2.4 GHzAnd5 GHz). - 🔋 Turn on the mode on your phone
High performancein the battery settings for the app Mi Share or Screen mirroring.
What should I do if my Xiaomi TV doesn't support Miracast?
On some models (eg, Mi TV 4A 2018) function Miracast hidden. To activate it:
1. Install the application on your phone TV Assistant from Xiaomi.
2. Connect to TV via Wi-Fi Direct (manually enter the IP address of the TV, which can be found in Settings → About TV → Network Status).
3. In the application, select the option Enable Miracast (root rights required on some firmware).
6. Optimize Wi-Fi for lag-free streaming
Sync quality is 80% network dependent. The following settings will help reduce latency:
- 📶 Wi-Fi channel: use
5 GHzwith channel width80 MHz(select the channel in the router settings149–165for minimal interference). - 🔄 QoS: Enable traffic prioritization for devices Xiaomi in the router control panel.
- 🛡️ Security: set encryption
WPA3(if the router supports it) - it reduces the overhead costs of data transfer.
If the router does not support 5 GHz:
- 📡 Buy inexpensive
5 GHz Wi-Fi adapter(For example, TP-Link Archer T4U) and connect it to the TV viaUSB. - 🔌 Use
Powerline adapterfor a wired connection of the TV to the router (if the TV supportsEthernet).
To check your connection speed:
- Run a speed test on your phone (for example, in the app Speedtest).
- Compare with the results on TV (in
Settings → Network → Speed Test). - If the difference is greater
30%, the problem is in the router or interference.
7. Alternative connection methods
If Wi-Fi syncing is unstable, consider alternatives:
- 🔌 HDMI adapter (For example, USB-C to HDMI): delay
0 ms, but requires a wire. Suitable for gaming and high-definition video. - 📶 Google Cast: works on TV with
Google TV(models Xiaomi 2022+). Allows you to stream content from applications (YouTube, Netflix) without mirroring. - 🖥️ Steam LinkIf you need to play from your phone to your TV, install this app on both devices. Requires a PC on your local network.
Comparison of methods:
| Method | Delay | Quality | Complexity |
|---|---|---|---|
| Miracast | 50–100 ms | Up to 4K/30fps | Average |
| DLNA | No | Up to 4K/60fps | Low |
| HDMI | 0 ms | Up to 8K/60fps | Low |
| Google Cast | 100–200 ms | Up to 4K/HDR | High |
FAQ: Frequently Asked Questions
Is it possible to sync iPhone with Xiaomi TV via Wi-Fi?
Yes, but only through DLNA (applications VLC, Infuse) or AirPlay, if the TV supports (models Xiaomi 2022+ With Google TV). Miracast And Mi Share on iOS don't work.
Why does video lag when streaming via Miracast?
Reasons:
- Weak signal
Wi-Fi 5 GHz(check the distance to the router). - Background processes on the phone (close all applications after
Recent). - Video codecs (eg.
H.265may not be supported by TV).
Solution: Reduce the broadcast resolution in the settings Miracast or use DLNA.
How do I enable Miracast on a Xiaomi TV if it's not in the menu?
On some models (Mi TV 4A, Mi TV 4C) the function is hidden. To activate it:
Settings → About TV → Software version → Click "Version" 5 times to enable developer mode.
Then go to Settings → Developer options → Turn on "Wireless display".
If there is no item, update the firmware to PatchWall 3.0+.
Is it possible to play mobile games on TV via Wi-Fi?
Technically yes, but with some caveats:
- 🎮 Miracast: delay
50–100 ms(acceptable for strategies, but not for shooters). - 🕹️ Steam Link: delay
20–40 ms, but requires a PC. - ⚠️ Games with
anti-cheat(For example, PUBG Mobile) may block the broadcast.
For a comfortable game it is better to use HDMI adapter.
Why does the sound come from the phone and not from the TV?
This is a typical problem. Miracast With DRM-protected content (for example, Netflix, Disney+). Solutions:
- Use
DLNAto play local files. - Connect your phone via
HDMI(the sound will come through the TV). - Turn on
HDMI-CECin the TV settings (Settings → HDMI → HDMI Control).