Xiaomi TVs (Mi series) TV 4/4A/4S/5/5 Pro/Q1/Q2 and later) support a second screen function that allows you to duplicate or expand the image from another device - a smartphone, laptop or even a second TV. This technology is useful for presentations, streaming games, watching movies with comments on a second device or creating a multimedia zone in the house. if the device does not find the device over Wi-Fi, then there are image delays, then the function is not in the menu at all.
In this article, we will discuss all the current ways to turn on the second screen on Xiaomi TV (including models from 2023-2026), from standard methods through Miracast and HDMI to hidden features for advanced users, and learn how to eliminate typical errors (for example, code 1001 or 2003 when connecting) and optimize the second screen for games or video in 4K@60Hz resolution.
Method 1: Wireless connection via Miracast (Wi-Fi Direct)
The most versatile method is the use of Miracast technology built into Xiaomi Android TVs TV Google TV. It allows you to broadcast the screen without a router, directly over the Wi-Fi Direct protocol. Xiaomi/Redmi/Poco, and other brands (if they support Miracast).
To enable the second screen via Miracast:
- On TV: 📺 Open the Settings. → Connections and sharing → Wireless display (or Miracast in older versions of software). 🔄 Activate the slider Enable the wireless display. 🔍 Wait for the TV to find the available devices (can take up to 30 seconds).
On a smartphone/laptop
- 📱 On Android: Go to Settings → Connected devices → Transfer to the screen (or Smart View on Samsung).
- 💻 On Windows: press Win + K and choose your Xiaomi TV list.
- 🔗 Confirm the connection on both devices.
Both devices must support Wi-Fi 5 (802.11ac) or newer|Distance between TV and smartphone – no more than 5 meters|Turn it off. VPN smartphone-based firewall|Update the TV firmware to the latest version-->
If the TV doesn’t appear in the list of devices, try:
- 🔄 Reboot both devices.
- 📶 Switch TV and smartphone to the same Wi-Fi network (even if you use Wi-Fi Direct).
- 🛠️ Reset network settings on the TV: Settings → System system → Reset → Resetting network settings.
⚠️ Note: When connecting via Miracast, you may experience image delays of up to 100-150 ms. For games, this is critical – use it. HDMI (3-way).
2. Method 2: Using the Mi Home app (for the Xiaomi ecosystem)
If you have a Xiaomi smartphone (or a device with the Mi Home app), you can use the proprietary Mi Screen Mirroring protocol, which is more stable than Miracast, since it is optimized specifically for Xiaomi equipment.
Instructions:
- 📱 Install the Mi Home app on your smartphone (available for Android and iOS).
- 🔗 Connect your TV and smartphone to the same Wi-Fi network.
- 📺 In the Mi Home app: Add the TV to the list of devices (if not added automatically). → Device control → Screen transmission. 🖥️ Select the mode: Duplicate (repeats the smartphone screen) or Expand (second desktop).
| Regime. | Description | Suitable for |
|---|---|---|
| Duplicate | Repeats the screen of the smartphone on TV in real time | Viewing photos/video, presentations |
| Expand | TV becomes the second monitor (you can drag the windows) | Working with documents, multitasking |
| Playing | Minimal latency but reduced image quality | Cloud Gaming (Xbox Cloud, GeForce NOW) |
When using Mi Home, the TV and smartphone must be linked to the same Xiaomi account, and if the devices are different accounts, the connection will be blocked with a 403 error.
Miracast (Wi-Fi Direct)|Mi Home|HDMI-cable|Other-->
Method 3: Wired connection via HDMI (minimum latency)
For gamers, designers or those who need zero latency, the best option is wired HDMI. Xiaomi TVs support HDMI-CEC and ARC modes, which makes it easier to manage.
What you need:
- 🔌 Cable HDMI 2.0 or newer (for) 4K@60Hz).
- 💻 Laptop/PC with output HDMI or USB-C → HDMI (MacBook).
- 🎮 For consoles (PS5/Xbox) — standard HDMI-kit-line.
Step-by-step:
- 🔌 Connect one end of the cable to the TV (ports) HDMI 1/2/3, preferably marked ARC).
- 💻 The second end is to the laptop or PC.
- 📺 On TV: Select the signal source: on the remote, press Input → select the appropriate HDMI - Door port. HDMI-CEC (if you need to control TV from the console: Settings → System system → HDMI-CEC.
- On Windows: press Win + P → select Duplicate or Expand.
- On MacOS: System settings → Monitors → Location.
⚠️ Note: If the image does not appear on TV, check it out: 🔌 Cable HDMI must maintain the necessary permission (for example, to 4K@120Hz need HDMI 2.1). 🔄 Try another port. HDMI TV (some ports are limited to Full) HD). 🛠️ Update your graphics card drivers on PC (especially for NVIDIA/AMD).
💡
If you connect to a PS5 or Xbox Series X, turn on 4K@60Hz RGB in your console settings for better color reproduction.
4. Method 4: Through Google Cast (Chromecast embedded)
Xiaomi TVs on Android TV/Google TV have built-in support for Google Cast (similar to Chromecast), which allows you to stream content from apps (YouTube, Netflix, Google Photos) directly to TV without duplication of the entire screen.
How to use:
- 📺 Make sure your TV and smartphone are connected to the same Wi-Fi network.
- 🎬 Open a supported app (e.g. YouTube).
- 🔍 Click the Cast icon (usually in the upper right corner).
- 📺 Choose your Xiaomi TV device-list.
List of apps that support Google Cast:
- 🎥 YouTube, Netflix, Disney+
- 🎵 Spotify, Google Music
- 📷 Google Photo, VLC
- 🎮 Stadia (cloud gaming from Google)
How to turn on Google Cast if the icon is not displayed?
5. Problem Solving: Connection errors and lags
Even with the right setup, users are faced with common errors, and let's look at the most common ones and how to fix them:
| Error code | Reason. | Decision |
|---|---|---|
| 1001 | The device was not found on the network. | Check that Wi-Fi is on on both devices. Turn off Power Saving on your smartphone. |
| 2003 | Miracast protocol incompatibility | Update your TV and smartphone firmware. Use a different method (e.g. HDMI). |
| Lags/stuttering | Weak Wi-Fi signal or network congestion | Switch to the 5GHz band on the router. Close the background apps on your smartphone. |
If the image slows down during wireless transmission:
- 📶 Reduce the distance between devices (maximum 3-4 meters).
- 🔌 Connect the TV to the router via Ethernet (if supported).
- 📱 On your smartphone, turn on Game Turbo mode (on Xiaomi): this will turn off background processes.
💡
To run the second screen over Wi-Fi, the router must support 802.11ac (Wi-Fi 5) or later. Otherwise, use HDMI or limit the resolution to 1080p.
6 Additional settings: sound, resolution, control
After successfully connecting the second screen, you can optimize its operation:
Sound setting:
- 🔊 To make sound playable through the TV: On Android: In the notification bar, click on the Cast icon → Settings → Play audio on your device. On Windows: Sound settings → Select the output device → Choose Xiaomi TV.
- 🎧 If the sound is delayed, turn off the sound processing in the TV settings: Settings → Sound. → Sound processing → Off..
Change of permit:
- 🖥️ On PC: Screen settings → Permission → Select the maximum supported (for example, 3840×2160 for 4K).
- 📱 On a smartphone: the resolution of the second screen is usually fixed (depending on the TV model).
Control from the remote:
- 🎮 If you connect a console or PC through HDMI-CEC, You can control them from the Xiaomi remote TV.
- 🖱️ For precise control (such as in games), connect your Bluetooth mouse or gamepad to your TV.
7. Hidden Second Screen Features on Xiaomi TV
Advanced users can activate additional modes that are not documented in the official instructions:
"PC" mode to reduce delay:
- 🖥️ Connect the PC through HDMI.
- 📺 On the remote, press Menu. → Picture → Image mode → PC.
- ⚡ This will disable post-processing of the image, reducing the latency to 10-20 ms.
Using TV as a monitor for Raspberry Pi
- 🐧 Connect the Raspberry Pi 4/5 through HDMI.
- 📺 In the TV settings, turn on the Game Console Mode (Settings) → Picture → Game mode).
- 🔧 Configure the resolution in config.txt on Raspberry Pi: hdmi_group=2 hdmi_mode=82 # for 4K@60Hz hdmi_drive=2