How to Make a Second Screen on Xiaomi Devices: A Complete 2026 Guide

The second screen on Xiaomi devices is not just an extra space to display content, but a full-fledged tool to improve productivity or enhance the entertainment experience, POCO and Mi TVs TV Supports different ways to duplicate or expand the screen, but not all users know how to properly configure this feature without losing quality or delays.

In this article, we will analyze all the current methods of creating a second screen - from wireless mirroring through Miracast to wired connection over the Internet. HDMI or USB-C. Particular attention will be paid to typical errors (for example, a black screen when connecting or an image freezes) and how to fix them. If you want to broadcast games from your smartphone to the big screen, use a TV as a monitor for a laptop or just duplicate the desktop – here you will find proven solutions for models 2020-2026.

1. Which Xiaomi devices support the second screen?

Not all Xiaomi gadgets are equally good at displaying images on an external display. MIUI/Android TV And the hardware platform. Here are the key interoperability criteria:

• 📺 Mi TVs TV: Android-style TV 9.0+ (starting with Mi TV 4S 2018) support the reception of the signal on HDMI, Miracast and AirPlay (on some firmware) with the exception of budget series without HDMI ARC.

To determine the compatibility of your device, check:

1. Port availability HDMI (for televisions) or USB-C with DisplayPort support (for smartphones).
2. Firmware Version: Go to Settings → The phone. → Version. MIUI (for smartphones) or settings → The device → About TV (for Mi) TV).
3. The presence of the option of Wireless display in the Connections and Sharing menu (on smartphones) or Signal Source (on TVs).

⚠️ Attention: Devices on the base MIUI 12.5 The following may not support Miracast in screen expansion mode, only duplication. MIUI 13/14.

2. Ways to connect the second screen on Xiaomi

The choice of method depends on your tasks: whether you need to duplicate the screen (for example, for a presentation) or expand it (for multitasking).

For most users, the best solution is HDMI — However, if you want wireless connectivity, prioritize Miracast (for local networks) or Google Cast (for streaming content from apps).

3. Step-by-step instruction: connection by HDMI

Wired connectivity guarantees stability and minimal delays, which is critical for gaming or graphics. POCO F5 and Mi TV. TV Q2 2023.

Component cable USB-C to HDMI (Support for DisplayPort 1.4)

Power adapter (if the cable does not support charging)

Television or port monitor HDMI 2.0+

Smartphone with unlocked OEM resolution (for some models)

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Step 1 Checking the compatibility of the cable

Not all cables. USB-C to HDMI You need a cable with a DisplayPort Alternate Mode chip. You can check that:

• 🔍 Looking for the labels on the package: 4K@60Hz, DisplayPort or Alt Mode.
• 🛠️ Connecting the cable to the laptop with USB-C — If the monitor shows an image, the cable is suitable.

Step 2: Set up your smartphone

1. Go to Settings. → Display. → Advanced settings → Second screen mode.
2. Choose. HDMI (On some firmware, the option is called an external display).
3. Activate Allow output to HDMI and set the required permit (recommended) 1920×1080 stability).

Step 3: Connect to the TV

1. Put the cable in the port. USB-C smartphone HDMI television.
2. On the Mi remote. TV Click Source and select the appropriate HDMI-port.
3. If the image does not appear, restart the smartphone with the cable connected.

⚠️ Note: On some smartphones (for example, Redmi Note 11) when connecting to the Internet HDMI Use the powered hub or connect the charger separately.

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If the TV doesn't recognize the signal, try another one. HDMI-Port (priority be given to ports marked with a note) HDMI 2.1 or ARC).

4. Wireless connection via Miracast

Miracast is a wireless video streaming standard built into most Xiaomi devices, allowing you to duplicate or expand the screen, but has resolution and latency restrictions, suitable for presentations, watching movies or streaming from YouTube.

Requirements:

• 📱 Smartphone on MIUI 11+ Android 10+.
• 📺 Mi TV's a TV. TV Miracast-enabled (check in Wireless Display settings).
• 📶 Both devices must be on the same Wi-Fi network (or connected directly to the same Wi-Fi network).

Instructions for connection:

1. On TV: Settings → Connections → Wireless display → Remember the name of the TV (for example, MiTV-A123).
2. On a smartphone: Settings → Connections and sharing → Wireless display Select your TV from the list.
3. Confirm the connection on both devices (may be required) PIN-code).
4. Select a mode: 🔄 Duplicate the screen – the same image on both displays. 🖥️ Expand the screen – the TV becomes the second desktop (not available on all models).

If the connection is interrupted or the image is:

• 📡 Reconnect to 5 GHz (more stable than 2.4 GHz).
• 🔋 Close background apps on your smartphone (especially instant messengers and games).
• 🔄 Reboot both devices and reconnect.

5.Using Google Cast (Chromecast) on Xiaomi

Google Cast is a technology for streaming content from mobile devices to TV via Wi-Fi. Unlike Miracast, it does not duplicate the entire screen, but only transmits videos from supported applications (YouTube, Netflix, Chrome browser, etc.).

Advantages:

• 🎬 No firmware binding – works even on older TVs via Mi TV Stick.
• 📶 Less load on the smartphone (flow goes directly from the Internet).
• 🔊 Dolby Digital sound support (on some models).

How to set up:

1. Make sure that your TV and smartphone are connected to the same Wi-Fi network.
2. On TV: Settings → Connections → Google Cast → Insert (on Mi) TV Stick – just connect the device to the port HDMI).
3. On your smartphone, open a supported app (such as YouTube), click the Cast icon (📡) and choose your TV.

If Google Cast doesn't find TV,

• 🔄 Restart the router and both devices.
• 🛠️ Turn off the router settings AP Isolation (customer isolation).
• 📱 On your smartphone, enable Local Network in the app settings (e.g., YouTube: Settings) → Cast → Local area network).

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Google Cast does not support full-screen duplication, only streaming from individual apps. HDMI.

6.Expanding the screen on Xiaomi: how to make a second desktop

The extended screen mode allows you to use the TV as a second monitor for your smartphone — for example, to work with documents and watch videos simultaneously. However, not all Xiaomi devices support this feature out of the box.

Conditions for screen expansion:

• 📱 Smartphone on MIUI 13/14 Android 12+.
• 🔌 Connection to HDMI or USB-C to USB-C (Wireless methods usually only support duplication).
• 🖥️ Television with a resolution not lower than Full HD.

How to turn on:

1. Connect your smartphone to the TV on HDMI (see section 3).
2. In the settings of the second screen (Settings) → Display. → Second screen mode) select Expand.
3. Set up the screen location (left/right) and resolution.

If the option to expand is not available:

• 🔄 Update your smartphone to the latest version.
• 🛠️ Use third-party apps like SecondScreen (requires root).
• 🖥️ Connect your smartphone to Windows PC via Xiaomi PC Suite and use the TV as a monitor for your computer.

⚠️ Note: On smartphones with MediaTek chipsets (such as the Redmi Note 10), the expansion mode may not work stable due to driver limitations. HDMI duplication-only.

7.Typical errors and their elimination

Even with the right connection, users often face problems, such as black screens, connection breaks, or poor image quality, and we'll look at some of the most common errors and how to fix them.

If neither method worked, try resetting the network settings on both devices:

1. On a smartphone: Settings → System system → Reset → Resetting network settings.
2. On TV: Settings → System system → Reset and administrator → Resetting network settings.

8. FAQ: Answers to Frequent Questions