Projection on Xiaomi TV 4S: how to connect the screen of a smartphone, laptop or PC

Why you can’t turn on the projection on Xiaomi TV 4S and how to fix it

Xiaomi Mi TV 4S supports several wireless and wired projection methods, but many users experience problems when connecting first. Most often, errors arise from an incorrectly selected protocol (for example, trying to use Miracast instead of DLNA for older smartphone models) or conflicts in network settings. Another common reason is the disabled feature “Wireless display” in the system settings of the TV, which the manufacturer by default hides in the depth of the menu.

In this article, we will analyze all the current ways of projection on Xiaomi TV 4S (including models 4S 43, 4S 50" and 4S 55"), pay attention to typical errors (for example, code 10 or 22 when connecting via Miracast) and give a checklist for diagnosing problems.

How to project on Xiaomi TV 4S: technology comparison

The TV supports three main screen transfer protocols, each with its own limitations and advantages, depending on the type of source device (smartphone, laptop, PC) and the required broadcast quality.

For game consoles (such as PlayStation 5 or Xbox Series X) and PCs with discrete graphics, it is recommended to use wired connection via HDMI 2.0 - this guarantees minimal latency and support for HDR10.

Step-by-step: how to turn Miracast on Xiaomi TV 4S

Miracast protocol is the most versatile way to wirelessly project for Android and Windows devices. On Xiaomi TV 4S, it is activated via the Wireless Display menu, but you need to follow several mandatory steps before connecting:

Make sure your TV and smartphone are connected to the same Wi-Fi network (or activate Wi-Fi Direct)

Turn off VPNs and firewalls on your source device

Update the TV firmware to MIUI TV 3.0+

Restart both devices before first connecting-->

1. Open on TV Settings → Connections and Sharing → Wireless display.
2. Activate the Miracast switch (some firmwares call it Screen Mirroring).
3. On your smartphone (Android) go to Settings → Connections → Screen Broadcast (or “Smart View” on Samsung).
4. Select your Xiaomi TV 4S from the list, and the name will contain the model (e.g., "MiTV-4S-50").
5. Confirm the connection on the TV by clicking "Allow" in the pop-up window.

If the smartphone screen does not appear or there is an error 22 (“Unconnected”), check:

• 🔄 Reboot the router – sometimes IP- addresses conflicts block Miracast.
• 📱 Update your smartphone firmware — Android 10+ may require additional permissions to stream.
• 🔌 Turn off the power saving on your TV (in Settings → Energy Saving).

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If Miracast doesn’t work on Windows 10/11, install the Wireless Display driver via Device Manager (Adapters section).

iPhone to Xiaomi TV 4S: bypass AirPlay restrictions

Xiaomi TV 4S doesn’t officially support AirPlay (Apple’s wireless streaming technology), but there are two workarounds:

1. Through a bridge app (e.g. ApowerMirror or LetsView): Install the app on your iPhone and TV (via Google Play on MIUI TV). Connect both devices to the same Wi-Fi network. Run the live stream in the app on your iPhone by selecting Xiaomi TV 4S from the device list.
2. Through Apple TV (wired bypass): Connect your Apple TV to your TV via HDMI. Activate AirPlay on your iPhone by selecting your Apple TV as your target device.

The disadvantage of the method is the need to purchase an additional device.

⚠️ Warning: When using third-party AirPlay apps, audio delays of up to 200 ms may occur. To sync, turn off audio processing in your TV settings (Settings → Sound → Effects → Off.).

For MacBook owners, an alternative is wired connectivity via a USB-C → HDMI adapter (such as Anker 8K USB-C to HDMI), which guarantees 4K@60Hz support without delay.

DLNA: How to stream videos and photos without Miracast

DLNA is suitable for transferring media files (photos, videos, music) from devices to TV, but does not support live screen broadcasting. On Xiaomi TV 4S, the function is activated via the built-in Media Player app.

Instructions for Android:

1. Open the TV Applications → Media Player.
2. Select the "DLNA" tab (or "Network").
3. On your smartphone, install an app for DLNA (like BubbleUPnP or LocalCast).
4. In the app, select the file to broadcast and specify Xiaomi TV 4S as the target device.

For Windows:

• 🖥️ Open Explorer, right-click on the file → Transmit to the device.
• 📺 Select Xiaomi TV 4S from the list of DLNA- devices.

⚠️ Warning: If the TV is not displayed in the DLNA- Device List, check the network settings: 🌐 Make sure the TV and smartphone/PC are connected to the same subnet (e.g., both to the router on 192.168.1.x). 🔒 Turn off the guest Wi-Fi mode on the router - it blocks local device interaction.

Wired projection through HDMI: settings for maximum quality

To connect your laptop or PC to Xiaomi TV 4S via HDMI, use HDMI 2.0 (or higher) cable to support 4K@60Hz and HDR. Even if your TV has an HDMI 2.1 connector, the bandwidth of the cable may limit the resolution.

Optimal settings for Windows 10/11:

1. Connect the cable to either an HDMI 1 or HDMI 2 port (they support ARC and CEC).
2. Press Win + P and select "Second Screen Only" or "Duplicate" mode.
3. Open Screen Settings → Additional screen settings and set: Resolution: 3840×2160 (4K). Update: 60Hz Color format: RGB (full).

For macOS (M1/M2):

• 🍎 Go to System Settings → Monitors.
• 🔍 Select Xiaomi TV 4S from the display list.
• 🎨 Activate the "Show settings for this display" option and set 4K (3840 × 2160) from 60 Hz.

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For gaming consoles (PS5, Xbox), always use the HDMI 2.1 port on your TV – it supports VRR and ALLM, both critical for gaming.

Advanced settings: developer mode and hidden features

If standard projection methods don't work, you can activate developer mode on Xiaomi TV 4S and manually adjust the wireless broadcast settings, which is hidden by default, but takes less than a minute to turn on:

1. Go to Settings. → On TV.
2. Find the item "Build number" and click on it 7 times in a row (the notification "You became a developer") will appear.
3. Return to the main settings menu and a new section for developers will appear.

In the developer mode, useful options are available:

• 🔧 Wi-Fi debugging – allows you to connect to TV via ADB for diagnostics.
• 📡 Forced Miracast activation – includes support for uncertified devices.
• 🖥️ Display emulation – changes the resolution of the virtual screen for compatibility.

For power users: If Miracast is permanently disabled, follow the command to ADB:

adb shell settings put global wireless_display_certification 0

This will disable the verification of the device certification, but may reduce the stability of the connection.

Frequent mistakes and their solutions

Even with the right setup, the projection on the Xiaomi TV 4S can fail, and below is a table of common errors and how to fix them:

If the TV is not visible in the list of available projection devices:

1. Check if the “Visibility for all devices” mode is enabled in Settings → Wireless display.
2. Turn off the “Battery Optimization” function on your smartphone for broadcast applications.
3. Reset the TV network settings (Settings → Network → Reset).

⚠️ Warning: If Miracast is lost after the TV firmware update, roll back to the previous version via Recovery Mode. Instruction: Download the firmware for your model from Xiaomi's official website. Place the file update.zip in the root of the USB- drive. Connect the flash drive to the TV, pinch Menu + Volume Down on the remote, and turn on the TV.

FAQ: Answers to popular questions