How to sync your phone with a Xiaomi TV via Wi-Fi: 3 working methods + troubleshooting

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 Miracast or DLNA), the firmware has been updated to the latest version. Check in Settings → About TV → Software Update.
  • 📱 Smartphone: Android 8.0+ (For Mi Share) or Android 10+ (For Miracast), included Wi-Fi And Bluetooth (for some methods). On iPhone available only DLNA or AirPlay (if TV supports it).
  • 🌐 Wi-Fi network: Both devices must be connected to one network (guest mode is not suitable!) Recommended speed - from 10 Mbps for Full HD and 25 Mbps for 4K.

Pay special attention to your TV settings:

  1. Open Settings → Network & Internet → Wi-Fi and check the connection.
  2. Go to Settings → Devices & Accessories → Screen Mirroring (or Miracast on older models).
  3. Activate the option Allow connection or Enable Miracast.
⚠️ Warning: On TVs Xiaomi with firmware PatchWall below version 3.0 support may be lacking MiracastIn this case, use DLNA or update the software.

On smartphone:

  • 🔄 Restart your device (this will clear temporary network module errors).
  • 📶 Turn off Modem mode And VPN - they can block local connection.
  • 🔒 In Settings → Apps → Special access → File transfer allow access for the application Mi Share (if you plan to use it).
📊 Which sync method have you tried before?
Miracast
DLNA
USB cable
HDMI adapter
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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 (on 2.4 GHz lags are possible).

TV instructions:

  1. Turn on Miracast on the menu Settings → Screen Mirroring.
  2. Select mode Connecting via Wi-Fi Direct (if there is such a clause).
  3. Remember the name of your TV - you will need it to search from your phone.

Instructions for smartphone (Android):

  1. Open Settings → Connected devices → Screen sharing (on Xiaomi/Samsung) or Settings → Display → Wireless Display (on Google Pixel).
  2. Click Start mirroring and choose yours Xiaomi TV from the list.
  3. 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 settings 36–48 for minimal interference).
  • 📱 On the phone in Settings → System → Developer Options turn on Debugging 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:

  1. Open the app Media player (or Gallery on new models).
  2. Select a tab DLNA or Local area network.
  3. Activate the option Allow access.

On smartphone (Android):

  1. Install the application Mi Share (For Xiaomi) or BubbleUPnP (for other brands).
  2. In the application, select the file and press Send to device → select your TV.
  3. On the TV, confirm receipt of the file.

For iPhone:

  1. Download VLC for Mobile from App Store.
  2. Open the video → click Play on device → select Xiaomi TV.
⚠️ Warning: Some videos in DLNA may be played without sound due to restrictions HDCPIn this case, use Miracast or connect your phone via HDMI.
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 (faster Bluetooth 10 times).
  • 🔒 Automatic data encryption.
  • 🎮 Supports gamepad mode (you can play on TV using your phone as a controller).

How to connect:

  1. On TV: Settings → Connections → Mi Share → enable the option.
  2. On your phone: open Settings → Connections and Sharing → Mi Share.
  3. 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 Miracast disable the function on the router Band Steering (it can automatically switch devices between 2.4 GHz And 5 GHz).
  • 🔋 Turn on the mode on your phone High performance in 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 GHz with channel width 80 MHz (select the channel in the router settings 149–165 for 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 via USB.
  • 🔌 Use Powerline adapter for a wired connection of the TV to the router (if the TV supports Ethernet).

To check your connection speed:

  1. Run a speed test on your phone (for example, in the app Speedtest).
  2. Compare with the results on TV (in Settings → Network → Speed ​​Test).
  3. 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:

  1. Weak signal Wi-Fi 5 GHz (check the distance to the router).
  2. Background processes on the phone (close all applications after Recent).
  3. Video codecs (eg. H.265 may 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 DLNA to play local files.
  • Connect your phone via HDMI (the sound will come through the TV).
  • Turn on HDMI-CEC in the TV settings (Settings → HDMI → HDMI Control).