Wireless display on Xiaomi: how to enable and configure screen duplication over Wi-Fi

Wirelessly transferring images from a smartphone to a large screen is one of the most sought-after features of modern devices. POCO They can use Miracast technology (or Wi-Fi Display) to duplicate the screen onto TVs, monitors or projectors without wires, but not everyone knows how to properly activate this feature and avoid typical connection errors.

In this article, we will analyze step-by-step instructions for different versions. MIUI (including MIUI 14/15), We'll look at hardware requirements, explain the differences between Miracast and Google Cast, and provide solutions for frequent problems, from not having an option on the menu to freezing images. TV, Here you will find the answers.

Particular attention will be paid to hidden developer settings that can block the wireless display on some Xiaomi models (for example, Redmi Note 12 Pro).+ Xiaomi 13T). Also compare the performance of the connection on different protocols – Wi-Fi Direct vs 5 GHz – and give recommendations for optimizing latency for games and video.

What is a wireless display and how it works on Xiaomi

Wireless display technology (Wi-Fi Display or Miracast) allows you to broadcast the screen of a smartphone to an external device using the Wi-Fi Direct protocol. TV), Miracast does not require an internet connection – it is directly connected between the phone and the receiver (TV, This makes it universal for most TVs today, even without Google Services.

On Xiaomi smartphones, the feature is implemented through the built-in Wi-Fi Display module, which is activated in the settings.

• 📱 Source: Your smartphone (Xiaomi/Redmi/POCO) Miracast (most models with Miracast support) 2018 year-end).
• 🖥️ Receiver — TV, Miracast-enabled monitor or projector (designated as "Wireless Display", "Screen Mirroring" or "Wi-Fi Direct").
• 🔄 Wi-Fi Direct (acts at 2.4 GHz or 5 GHz, depending on the model).

The main advantages of Miracast over alternatives (for example, AirPlay or other alternatives) DLNA):

⚠️ Note: Some Samsung TVs (series) QLED 2020–2023) Miracast can be disabled by default in the service menu. TV General section → External devices → Connection devices.

Requirements for wireless display devices

Before you try to turn on Wi-Fi Display, make sure your devices meet the minimum requirements:

For a smartphone Xiaomi/Redmi/POCO:

• 📲 Android Version: 6.0 or later (on the MIUI 10 and above function is stable).
• 🔋 Battery level: at least 30% (at low charge, the system can block the function).
• 📶 Wi-Fi Direct support (check in model specifications).
• 🔄 Lack of active activity VPN Proxy (may conflict with Wi-Fi Direct).

For TV/monitor/projector:

• 📺 Miracast support (indicated as "Wireless Display" or "Screen Mirroring").
• 🔄 Compatible Wi-Fi frequencies: 2.4 GHz or 5 GHz (preferably 5 GHz for less latency).
• 🔌 Lack of active connection to another Wi-Fi network (some of which are not available) TV require disconnection from the router).

If your TV does not support Miracast, you can use external adapters, such as:

• 🔌 Microsoft Wireless Display Adapter (supports) 1080p@60Hz).
• 🔌 AnyCast M2 Plus (works with) MIUI 12+ lagless).
• 🔌 Xiaomi Mi TV Stick (only for Stick) TV s HDMI, Google Cast requires).

Step-by-step: how to turn on Wi-Fi Display on Xiaomi

The process of activating the wireless display may vary slightly depending on the version. MIUI. Below is a general algorithm for most models (Xiaomi). 11/12/13, Redmi Note 10/11/12, POCO F4/X5 etc.).

Step 1: Compatibility check

Make sure your smartphone supports Wi-Fi Display.

1. Open the settings → About the phone → version of MIUI.
2. Tap 7 times on the line version of MIUI to activate the developer mode.
3. Back to Settings → Additionally. → For developers.
4. Check for the option of Wireless Display (Wi-Fi Display).

Step 2: Activation of the function

If the option is available, follow the following steps:

1. Open the Settings. → Connections and sharing → Wireless display (or settings) → Screen. → Wireless display on MIUI 14+).
2. Activate the Wireless Display slider.
3. In the list of available devices, select your TV/monitor (the name usually corresponds to the model, for example, "LG OLED55C1").
4. Confirm the connection on both devices (on the TV may require input PIN-code).

Step 3: Configure the display

After successful connection:

• 🔄 Select Display Mode: Duplicate screen (the same image on the phone and TV) Or expand the screen (TV second-monitor).
• 🎵 Set up the sound output: Settings → Sound. → Sound output → Wireless display.
• 🔧 When lags, reduce resolution: Settings → Screen. → Screen resolution → 720p (stability).

⚠️ Note: On some models (Redmi) 9A, POCO M3) The option of Wi-Fi Display may be hidden due to CPU limitations, in which case use alternative methods (see section "If there is no Wi-Fi Display option").

Solving the Problem: Why Wireless Display Doesn't Work

If the phone screen is not displayed on TV or the connection is constantly broken, check the following points:

1. The devices don't find each other

• 🔄 Reboot both devices (phone and phone) TV).
• 📶 Make sure you're on TV Screen Mirroring mode is enabled (on the remote, usually the Source or Input button).
• 🚫 Turn off flight mode and battery saving on your phone.
• 🔌 Check that TV not connected to another Wi-Fi network (some models block Wi-Fi Direct when you are online).

2.The connection is interrupted or lagged

• 📶 Switch to 5 GHz (in router settings or TV).
• 🔋 Connect your phone to charge (at low charge) MIUI Limits Wi-Fi performance).
• 🎮 For games, reduce the resolution to 720p and turn off the adaptive brightness.
• 🔄 Update the firmware TV and smartphone (in MIUI 15 Wi-Fi Display bugs fixed for Snapdragon 8 Gen 2).

3. No sound when connected

• 🎵 In the phone settings, select Settings → Sound. → Sound output → Wireless display.
• 🔊 Nana TV Check if the sound is turned off in the audio settings menu → HDMI Audio.
• 🔄 Reconnect devices (sometimes the sound stream “wilts” when you first connect).

Alternative ways to transfer the screen from Xiaomi to TV

If Wi-Fi Display is not working or is not in the settings, consider alternative methods:

1. Google Cast (Chromecast)

Suitable for Android TVs TV Or Google Chromecast devices:

• 🎵 Support for 5.1 and Dolby Atmos.
• 📱 Low delay (~20–50 ms) compared to Miracast.
• 🔄 It works over the Internet (does not require Wi-Fi Direct).

How to connect:

1. Make sure that the phone and TV connected to the same Wi-Fi network.
2. Open the Google Home or YouTube app.
3. Slip on the Cast icon (📡) and choose yours. TV.

Applications for mirroring

Third-party utilities can help if built-in features are not available:

• 📱 ApowerMirror – supports screen recording and control from PC.
• 📱 TeamViewer QuickSupport – for remote screen transfer (requires Internet).
• 📱 Screen Mirroring (by LetsView) – works without root rights.

3. USB-C cable → HDMI

For models with DisplayPort Alt Mode support (e.g. Xiaomi 12 Pro, Redmi) K50 Ultra):

• 🔌 Use the cable. USB-C to HDMI (for example, Baseus or UGREEN).
• 📺 Connect to TV and select the source HDMI.
• 🔧 In the settings of the phone, activate the Transfer by USB (In some cases, the developer mode is required).

💡

If you use POCO F4 GT or Redmi K60 Pro, check for the option to debug by HDMI It's activated to reduce the latency of wired connections to 10 to 15 milliseconds.

Hidden settings: how to enable Wi-Fi Display through ADB

On some Xiaomi models (especially custom firmware or regional restrictions), the Wi-Fi Display option can be disabled at the system level. ADB (Android Debug Bridge).

Step 1: Preparation

• 🖥️ Install. ADB Tools on PC (official website).
• 📱 Turn on Debugging. USB on the phone (Settings) → For developers).
• 🔌 Connect your phone to the PC by USB (Select the File Transfer Mode).

Step 2: Execution of commands

Open the command line (Windows) or terminal (macOS/Linux) and type:

adb shell


settings put global wifi_display_on 1




settings put global peer_to_peer_on 1

Then restart the phone:

adb reboot

Step 3. Checking.

After the reboot:

1. Open Settings → Connections and Sharing.
2. Check for the Wireless Display option.
3. If you don’t have an option, then you can use the command: adb shell am start. -n com.android.settings/.display.WirelessDisplaySettings

⚠️ Note: Change system settings through ADB This can cause the phone to work in an unstable way. Create a backup before executing commands (Settings) → System system → Backup: On HyperOS models (e.g. Xiaomi 14), this method may not work.

Miracast vs Google Cast: What’s Best for Xiaomi

The choice between Miracast and Google Cast depends on your tasks. Below is a comparison table for Xiaomi devices:

When to choose Miracast:

• 🏠 For home use without internet (e.g., watching local videos).
• 🎮 For older games (emulators, strategies) where the delay of 50-100 ms is not critical.
• 📺 For TV Android TV (for example, LG WebOS, Samsung Tizen).

When to choose Google Cast:

• 🎬 For streaming videos (YouTube, Netflix) with support 4K HDR.
• 🎵 To listen to music with multi-channel sound.
• 🔄 For Android devices TV Google TV.

💡

For Xiaomi models on Chinese firmware (China) ROM) Google Cast may not work because Google Services is not available, and Miracast is the only reliable option.

FAQ: Frequent questions about wireless display on Xiaomi