How to turn on a screen demo on a Xiaomi TV: 5 proven ways

Duplication of screen on Xiaomi TV is a convenient way to stream content from your phone, tablet or computer to the big screen without unnecessary wires. However, many users face problems: the TV does not find the device, the image is slowing down, or the function is not at all on the menu. In this article, we will discuss all the working methods for enabling screen demonstration on models Mi TV 4/5, Redmi Smart TV, Mi TV Q1/Q2 and others, including hidden settings and solving typical errors.

It is important to understand that the broadcast technology depends on the protocol: Miracast (for Android), AirPlay (for Android). iPhone/Mac), DLNA (for multimedia) or wired connection through HDMI. We will consider each option taking into account the features of PatchWall firmware and Android versions. TV. If your TV doesn’t support wireless broadcasting, there are alternative solutions at the end of the article.

Before you start, check:

• 📶 The TV and the source device are connected to the same Wi-Fi network (for the purpose of the Miracast/AirPlay)
• 🔄 Screen Mirroring is enabled on the TV (can be called Screen Duplication or Wireless Projection")
• 📱 On the smartphone activated the broadcast function (on Android – Settings) → Connected devices → Screen broadcasting)
• 🔌 For HDMI-The adaptor may be required (for example, USB-C → HDMI modern-day smartphones)

1. Enable screen demos via Miracast (Android)

Miracast is a wireless broadcast standard supported by most Xiaomi TVs on Android TV. It allows you to duplicate the screen of a smartphone or tablet on Android 5.0 and later without additional applications. However, there are nuances: some models (for example, Redmi Smart TV X50) require pre-activation of the feature in the service menu.

To turn Miracast on Xiaomi TV:

1. Press the Menu button (or Home on new models).
2. Go to Settings → Connections and Sharing → Screen Duplication (or Screen Mirroring).
3. Activate the slider Enable.
4. On your smartphone, open Settings → Connected devices → Screen broadcast and select your TV from the list.

If the TV is not displayed in the list of devices:

• 🔄 Reboot both devices.
• 📶 Connect them to a single Wi-Fi network (5GHz is more stable, but 2.4GHz has a longer range).
• 🛠️ Update the TV firmware (relevant for 2020-2022 models).
• 🔍 Check if the broadcast is blocked by third-party software (for example, VPN firewall).

⚠️ Note: On Xiaomi TVs with PatchWall firmware below version 3.0, Screen Mirroring may not be on the main menu, in which case it must be activated via the service menu (see section 4).

2. Stream from iPhone or Mac via AirPlay

Apple device owners can use AirPlay to duplicate screens on Xiaomi TV. However, not all models support this feature out of the box. Officially, AirPlay is available on Mi TV Q1/Q2 and Mi TV 5 Pro (2021-2023), but on older devices it can be activated through third-party apps.

Instructions for iPhone/iPad:

1. Make sure that your TV and iPhone are connected to the same Wi-Fi network.
2. On your TV, turn on AirPlay mode in Settings → Connections → Apple AirPlay.
3. On iPhone, swipe down from the top right corner (or up on older models) to open Control Point.
4. Click Screen Duplication and select your Xiaomi TV.

If the Apple AirPlay option is not in the TV menu:

• 🔧 Install AirScreen from Google Play (registration required).
• 📥 Download. APK-File from the official website (for models without Google Play).
• 🔄 After installation, restart the TV.

⚠️ Note: AirScreen may cause up to 2 seconds of latency. For games or movies, it is recommended to use a wired connection or Miracast (if supported).

3. Wired connection via HDMI (for PCs, laptops, smartphones)

If wireless methods don’t work or minimal latency is required (for example, for gaming), the best option is to connect directly via a mobile phone. HDMI. Modern smartphones (for example, Xiaomi 13 Pro or Redmi Note 12) support image output HDMI adapter USB-C → HDMI. For a PC or laptop is quite standard HDMI-cable.

Step-by-step:

1. Connect one end. HDMI-cable to the TV, the other to the source device (via the adapter, if necessary).
2. On the Xiaomi remote TV Press the Source (or Input) button and select the appropriate one. HDMI-port.
3. On your smartphone (if you connect it) in the screen settings, activate HDMI or DeX (for Samsung).
4. On your PC/laptop, press Win + P and select Duplicate or Expand.

Frequent problems and solutions:

• 🖥️ No image: Check the cable (HDMI 2.0 supportive 4K@60Hz, 1.4 — only 4K@30Hz).
• 🔊 No sound: on PC in Control Panel → Select the TV as the output device.
• 📱 The smartphone doesn't recognize HDMI: Update your firmware or use the original adapter.

💡

If the TV doesn’t see the signal from the PC, try switching the screen resolutions to the PC. 1920×1080 frequent 60 Hz is a universal regime supported by all HDMI-device.

4. Activation of the hidden Screen Mirroring mode (for older models)

On Xiaomi’s 2018-2020 TVs (such as Mi TV 4A or Mi TV 4X), the Screen Mirroring feature may be hidden in the service menu, requiring access codes or third-party apps to enable it.

Method 1: through the Engineering Menu

1. On the remote, press sequentially: Menu → Settings → About TV.
2. Find the Build Number and click on it 7 times in a row (Developer Mode is activated).
3. Go back to the main menu, open the Settings → for developers.
4. Activate the option of Wireless projection (Miracast).

Method 2: Screen Mirroring Enabler

• 📥 Install. APK-APKMirror file (e.g. Miracast Enabler for Xiaomi) TV).
• 🔧 Launch the application and follow the instructions (root access may be required).
• 🔄 Restart the TV.

5. Using DLNA for multimedia broadcasting (photo, video, music)

If you don't have to duplicate the entire screen, but just stream movies, photos or music, DLNA will work, it works on all Xiaomi TV models and doesn't require any additional settings, and the main condition is that both devices must be on the same network.

How to stream content on DLNA:

1. On the TV, open the Media Player or Gallery app.
2. In the side menu, select DLNA or Local Network.
3. On your smartphone, install an app for DLNA (like BubbleUPnP or LocalCast).
4. In the application, select a file and click Translate, specifying your TV.

Advantages and Limitations of DLNA:

• ✅ It works on all Xiaomi models. TV, including the oldest.
• ✅ No sound delay (unlike Miracast).
• ❌ Does not support screen duplication (only individual files).
• ❌ Not all video formats are reproduced (e.g., video formats, MKV s AC3 may not open).

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DLNA is the best choice for watching movies and photos, but is not suitable for games, presentations or desktop dubbing.

6. Solving typical screen demo problems

If the broadcast is not working, check the following points:

Additional advice:

• 🔄 If the broadcast is interrupted, turn off energy saving on your smartphone (in the battery settings).
• 🛠️ For older Xiaomi models TV (2018 and earlier) may require a firmware rollback to a Miracast-enabled version.
• 📡 If Wi-Fi is unstable, use Powerline adapters (wiring Internet transmission).

⚠️ Note: Xiaomi TVs with PatchWall firmware below 2.5 may not support 5 GHz Wi-Fi. In this case, for stable broadcast, use a wired connection or reflash the device on custom firmware (for example, for a custom firmware, AOSP).

7. Alternative broadcasting methods (if nothing works)

If none of the above methods worked, consider alternatives:

• 📺 Google Chromecast: Connect your device to the HDMI-port your TV and stream content through apps (YouTube, Netflix).
• 🖥️ Steam Link: to stream games from PC to TV (requires installation of the application on the TV) TV).
• 📱 ApowerMirror: an application for screen duplication Android/iOS Wi-Fi TV (works even without Miracast).
• 🔌 MHL-Adapter: for older smartphones with support MHL (For example, Xiaomi Mi 8).

On Xiaomi Mi TVs TV A2 (2023) and the newer Screen Mirroring feature is disabled by default for security reasons. To activate it, you need to manually install the Miracast certificate via the Internet. ADB-team:

adb shell settings put global miracast_enabled 1

This command requires connecting the TV to the PC and enabling debugging over USB.

FAQ: Frequent questions about screen demos on Xiaomi TV