Xiaomi Wireless Screen: Full Setup Instructions for TV, Smartphone and PC

Xiaomi’s wireless technology for transmitting images to the screen has become an integral part of modern multimedia systems. Whether you want to stream movies from your smartphone to a large TV, duplicate the laptop screen for a presentation or play mobile games on a monitor without wires. Mi Wireless Display, Mi TV Stick and Mi Box offer flexible solutions, but many users have difficulty connecting for the first time, from lack of signal to problems with resolution or sound.

In this article, we will look at all the steps of setting up Xiaomi’s wireless screen, from basic connectivity to fine-tuning to optimize broadcast quality, and focus on solving common errors such as image delay (lag), no sound, or incorrect color display. You will also learn how to connect the device to different sources: Android smartphones, iPhone, computers on the Internet. Windows/macOS and even game consoles.

The material is relevant for all modern Xiaomi models, including Mi. TV Stick 4K, Mi Box S 2nd Gen, Mi Wireless Display 2 and others. If you use a device older than 2020, some menu items may differ - in which case, refer to the section FAQ end-of-article.

1. Which Xiaomi devices support wireless screen broadcasting

Before you start setting up, it is important to understand what Xiaomi equipment is capable of running in wireless screen mode. The company offers several types of devices that differ in functionality and compatibility:

• 📺 Mi TV Stick / Mi TV Stick 4K — compact adapters with Android TV, plug-in HDMI-The TV port, Miracast support, DLNA and Google Cast.
• 🎮 Mi Box (all generations) – full-fledged set-top boxes with advanced features, including support 4K HDR and voice control.
• 📱 Mi Wireless Display 1/2 — specialized adapters for wireless broadcasting from mobile devices (working on the Miracast protocol).
• 🖥️ Xiaomi laptops and monoblocks (Mi Notebook series, RedmiBook) - can act as both a source and a receiver of a signal (if you have Wi-Fi Direct).

Also wireless broadcasting supports smart TVs Xiaomi (series Mi). TV A, Mi TV Q, Mi TV P1 They can both receive signals from other devices and broadcast the screen to external displays themselves. + 5 GHz, especially when transmitting video at resolution 4K.

⚠️ Note: Mi Wireless Display 1 (2019) devices do not support 4K and have a frame rate limit of 30 Hz. For gamers and viewing dynamic content, it is recommended to use Mi Wireless Display 2 or Mi. TV Stick 4K.

If your device is not listed in the table, check its specifications on the official Xiaomi website or in the documents attached to the kit. For models older than 2018, a firmware update may be required, we will talk about this in the section "Software Update".

2.Preparation for connection: what to check before setting up

To avoid the typical problems when setting up a wireless screen, perform a pre-check of the equipment and network, which will take no more than 5 minutes, but save hours to troubleshoot.

Check the compatibility of devices (see table above)

Connect the adapter to the socket (if power is required)

Use it. HDMI-high speed cable (for example, for 4K)

Make sure the TV supports you. HDCP 2.2. 4K)

Turn off VPN on your smartphone/PC

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Power and connection:

• 🔌 Mi TV Stick and Mi Wireless Display require connectivity USB-TV port or external power source (5V/1A) Using the weak USB-The port may cause spontaneous shutdowns.
• 📶 Place the adapter closer to the router – walls and metal objects degrade the Wi-Fi Direct signal.
• 🔄 If you connect to the TV, choose the right one. HDMI-port (usually) HDMI 1/ARC for better compatibility).

Network requirements:

• 🌐 To stream over Miracast, devices must be on the same Wi-Fi network (or use Wi-Fi Direct).
• 📶 Minimum network speed for 1080p — 15 Mbps, for 4K — 25 Mbps Check the speed at Speedtest.
• 🔒 Turn off guest Wi-Fi and customer isolation in router settings – they block device interaction.

Signal source settings:

• 📱 On Android smartphones, turn on debugging by USB (Settings → The phone. → Assembly number - tap 7 times).
• 🍎 On iPhone, update iOS to the latest version (AirPlay requires iOS 12)+).
• 💻 On Windows, update Wi-Fi drivers and graphics (via Device Manager).

⚠️ Note: If you are using Mi Wireless Display with a Samsung TV or LG, You may need to disable the Anynet function.+ (HDMI-CEC) customized TV — It's in conflict with the Miracast protocol.

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If the TV doesn't detect Mi TV Stick, try restarting both devices and changing them. HDMI-Sometimes it helps to connect hot: insert the adapter into the port. HDMI-port of the TV already on.

3. Step-by-step instruction: how to connect the wireless screen Xiaomi

The connection process depends on the type of source device (smartphone, PC, TV) and receiver (for example, Mi). TV Stick or Mi Box. Let's look at all the popular scripts.

3.1. Connection from an Android smartphone

To stream the screen from an Android device (Xiaomi, Redmi, POCO Use the built-in Wireless Display (based on Miracast):

1. Connect Mi. TV Stick or Mi Box to the TV and select the signal source HDMI.
2. On your smartphone, open Settings → Connections and sharing → Wireless display (the path may differ depending on the version) MIUI).
3. Enable device search. The name of your Xiaomi adapter will appear in the list (for example, Mi_TV_Stick_XXXX).
4. Select the device and confirm the connection. On the TV, you'll see a pairing request, press. OK.

If the device is not located:

• 🔄 Reboot both devices.
• 📶 Make sure your smartphone and adapter are connected to the same Wi-Fi network (or use Wi-Fi Direct).
• 🔧 In the adapter settings (Mi Box) enable Developer Mode and activate Debugging over the network.

Connection with iPhone (iOS)

Apple uses its own AirPlay protocol, which is limitedly supported by Xiaomi devices.

1. Make sure that Mi TV Stick 4K Mi Box S is connected to the same Wi-Fi network as the iPhone.
2. On the iPhone, open the Control Point (swipe down from the upper right corner).
3. Click Screen Duplication and select your Xiaomi device from the list.
4. If the device does not appear, check if AirPlay is enabled in the Mi Box settings (Settings) → The device → AirPlay).

⚠️ Attention: Mi Wireless Display 1/2 AirPlay only works through third-party apps (e.g. ApowerMirror.

3.3. Connection with Windows 10/11

For PC screen broadcast:

1. Press Win + K and select Connect to the wireless display.
2. In the list, find your Xiaomi device and connect.
3. If the device is not detected, check if Miracast is enabled in Windows settings: → System system → Display. → Graphics → Graphic settings

For stable operation it is recommended:

• 🖥️ Use Windows 10 20H2 or newer (older versions have Miracast bugs).
• 🔌 Connecting your PC to the network via Ethernet cable (if possible) will reduce the load on Wi-Fi.

Connection with macOS

On Mac, the broadcast is only possible via AirPlay:

1. Make sure that the Mi Box or Mi is TV Stick 4K Supports AirPlay (update the firmware).
2. In the Mac menu bar, click on the AirPlay icon (rectangle with an up arrow).
3. Select your Xiaomi device from the list.

If AirPlay is not working:

• 🔄 Reboot the router and Mi Box.
• 📶 Change the Wi-Fi channel on the router (recommended channel 6 or 11 for 2.4 GHz).

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For minimum delay when broadcasting from a PC or smartphone, use the Game mode in the Mi Box settings (Settings) → Display and sound → Image mode).

4. Settings optimization: how to improve the broadcast quality

Even after a successful connection, users often face problems such as lag, low resolution, or no sound, and these problems are solved by fine-tuning the parameters.

Setup of permission and frame rate

By default, Xiaomi devices choose the resolution automatically, but sometimes this leads to incorrect display.

1. On the Mi Box or Mi remote. TV Stick press Settings → Display and sound → Screen resolution.
2. Select the maximum supported resolution (for example, 3840×2160 (4K) upon 60 Hz).
3. If the image is "slowing down", lower the resolution to 1920×1080 or reduce the frequency to 30 Hz.

For gamers:

• 🎮 Enable Game Mode (Settings) → Display and sound → Image mode → Playing).
• 🔄 Turn off motion processing - it adds delay.

Adjustment of sound

If the sound is absent or is delayed:

1. Check that the correct output is selected in the Mi Box settings: Settings → Display and sound → Sound. → Exit through HDMI
2. For Dolby Digital, select Auto (Passthrough).
3. If the sound is coming through the TV, make sure it's on. HDMI ARC.

For smartphones:

• 📱 On Android in the Wireless Display settings, turn on the option to Transmit sound.
• 🍎 On iPhone, the sound is transmitted automatically, but can lag 0.5-1 second (this is normal for AirPlay).

Reducing delay (lag)

Delays of more than 100 ms make it impossible to watch videos and games comfortably, and the optimal lag for broadcasting is less than 50 ms.

• 📶 Connect to a 5 GHz network (instead of 2.4 GHz).
• 🔌 Use Wi-Fi Direct instead of a router (if devices support it).
• 🎮 In the Mi Box settings, turn off: Settings → Display and sound → Image mode → Motion processing Settings → Preferences → Energy conservation → Sleep mode (set "Never")
• 📱 On your smartphone, turn on Performance Mode (Settings) → Battery → Performance mode).

Color and contrast settings

If the colors on the TV are dull or unnatural:

1. Open the settings → Display and sound → Picture.
2. Choose Color Mode: Standard for everyday use; Movie Mode for movies (warmer tones); Game Mode for increased brightness and contrast.

Autobrightness

For HDR-content:

• 🎬 Turn it on. HDR in settings (Settings) → Display and sound → HDR).
• 🔧 Make sure that HDMI-cable HDR10 (They usually come with a Mi. TV Stick 4K).

5. Solving common problems

Even if you set it up properly, you can have errors, and let's look at the most common ones and how to fix them.

5.1. The device is not detected in the list

If your smartphone or PC doesn’t see Mi TV Stick or Mi Box:

• 🔄 Reboot both devices.
• 📶 Check that they are connected to the same Wi-Fi network (or use Wi-Fi Direct).
• 🔧 On Mi Box, turn on Developer Mode and activate Debugging over the network: Settings → About the device → Assembly number (tap 7 times) Settings → Preferences → Developer parameters → Network debugging
• 🛠️ Update the Mi Box firmware (see "Software Update" section").
• 📵 Turn off Bluetooth on your smartphone – it can interfere with Wi-Fi Direct.

Image brakes or tears

Causes of lags and tears of the image:

• 📶 Weak Wi-Fi signal – bring the router closer or use 5GHz.
• 📡 Network congestion – disconnect other devices from Wi-Fi.
• 🖥️ Lack of resources at source (e.g., a weak smartphone).
• 🔧 Incorrect permission settings – reduce to 1080p@30Hz.

Additional steps:

• 🔄 Switch Mi Box to Performance Mode: Settings → Preferences → Performance mode → Tall.
• 📵 Disable background apps on your smartphone/PC.

5.3 No sound or it's coming late

If there is no sound:

• 🔊 Check that the Mi Box settings have selected the sound output through HDMI.
• 🔧 On your smartphone, turn on sound transmission in the settings of the Wireless display.
• 🎵 If the sound is coming through the TV, make sure it's on. HDMI ARC.

If the sound is behind the image:

• 🎬 Reduce the sound latency in the Mi Box settings: Settings → Display and sound → Sound. → Synchronization of sound
• 📶 Switch to 5 GHz network – this will reduce lag.

Low image quality (artifacts, pixelation)

Causes of deterioration in quality:

• 📶 Weak Wi-Fi Signal – Use 5GHz or Wi-Fi Direct.
• 🔧 Incorrect resolution – set natives TV resolution.
• 🖼️ Video compression – disable Adaptive quality in the broadcast settings.

How to improve quality:

• 🎨 In the Mi Box settings, select Color Mode: Movie.
• 🔍 Turn off Noise Reduction and Image Improvement.

The device is permanently switched off

If Mi TV Stick or Mi Box is automatically shut down:

• 🔌 Check the power supply – use the original power supply.
• 🔥 Overheating – provide ventilation (do not close the device).
• 🔄 Turn off Sleep Mode: Settings → Preferences → Energy conservation → Sleep regimen → Never.
• 📡 Interference from other devices – change the Wi-Fi channel on the router.

Settings → Preferences → Reset → Reset all settings

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6. firmware update: how to install the latest version of the software

Regular firmware updates fix bugs, add new features and improve compatibility. Check for updates at least once a month.

Update via the Internet

The easiest way is:

1. Connect the Mi Box or Mi TV Stick to the Internet.
2. Open: Settings → About the device → Updating the system → Check for updates
3. If an update is found, click Download and Install.
4. Wait until the device is finished (the device will restart automatically).

If the update is not available:

• 🔄 Reset the device.
• 📶 Check your internet connection (open YouTube for a test).
• 🕒 Try it later – Xiaomi servers can be overloaded.

Manual update (through USB)

If the automatic update does not work, download the firmware manually:

1. Download the latest firmware for your model from the official Xiaomi website.
2. Unpack the archive and copy the update.zip file to the flash drive (FAT32 format).
3. Connect the flash drive to the Mi Box.
4. Open: Settings → About the device → Updating the system → Local Update
5. Select the update.zip file and confirm the installation.

⚠️ Warning: Don't turn off power during upgrades! This can cause a device to blink (unable to turn on). If the process is stalled during installation, wait 10 minutes - sometimes additional time is required.