Connecting the second screen to Xiaomi Mi 10: all ways with step-by-step instructions

Xiaomi Mi 10 is the flagship smartphone of 2020, which is still relevant today thanks to the powerful hardware and support of modern technology. One of the useful features is the ability to display images on the external screen, which can be useful for presentations, watching movies on the big screen or even for gaming.

In this article, we will look at all the available ways of connecting, from wired connections via adapters to wireless technologies like Miracast and Google Cast. MIUI And if you're planning to use the Mi 10 as a media center or workstation with an external monitor, this guide will help you avoid errors and save time.

1. Compatibility Check: Which screen can be connected to Xiaomi Mi 10

Before you buy adapters or set up a connection, make sure your external screen is supported by a smartphone. Xiaomi Mi 10 comes with a port USB-C 2.0 with DisplayPort Alt Mode support, but there are nuances:

• 📺 Televisions and monitors with HDMI — connect through the adapter USB-C → HDMI (support DP Alt Mode, maximum resolution — 4K@30Hz or 1080p@60Hz.
• 🖥️ Monitors with DisplayPort/USB-C — You can connect directly with a cable USB-C → USB-C (If the monitor supports Power Delivery).
• 📱 Wireless displays (Miracast, Chromecast) – work over Wi-Fi Direct, but there may be delays of up to 100-150 ms.
• 🎮 Projectors – most modern models support HDMI Miracast, but check for late entry (critical for gaming).

Mi 10 does not support display of images on the screen via Micro-HDMI or VGA — In such cases, an additional converter (for example) will be required, HDMI → VGA), But the quality will be worse.

⚠️ Note: If you connect a monitor with a resolution above 1080p, Smartphone can automatically reduce the refresh rate to 30 Hz. This is normal behavior – so Mi 10 saves processor resources.

* Only if the monitor supports DisplayPort 1.4 and Power Delivery.

2. the wired connection through USB-C → HDMI: step-by-step

This is the most reliable way to do this with minimal latency, and you'll need a quality adapter that supports DisplayPort Alt Mode, and cheap Chinese adapters may not work or give away artifacts.

Recommended adapters for Mi 10:

• 🔌 The original Xiaomi USB-C to HDMI (art. MDZ-23-DA) — guarantee compatibility.
• 🔌 Baseus USB-C to HDMI 4K — Budgetary option with good reviews.
• 🔌 Anker PowerExpand 5-in-1 — hub-on-site HDMI and USB-port.

Instructions for connection:

Buy an adapter with DisplayPort Alt Mode support

Check the battery (minimum 50%)

Update MIUI to the latest version

Connect the adapter to USB-C port

Connect. HDMI-cable-->

1. Connect the adapter. USB-C → HDMI Make sure the connection is tight - the Mi 10 has no mechanical port fixation.
2. Connect. HDMI-Cable with adapter and external screen. Turn on the TV/monitor and select the correct signal source (usually HDMI 1/2).
3. The notification will appear on the smartphone, "External Display Connected." Tap it to open the output settings.
4. Settings menu → Connected devices → Xiaomi Cast Select Display Mode: 🔄 Duplicate screen – the same image on the smartphone and TV. 🖥️ Expand the screen – the external display becomes the second desktop.

⚠️ Warning: If the image doesn't appear on the external screen, try restarting your smartphone with an adapter connected. MIUI Does not recognize the device the first time.

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If the sound is only coming through your smartphone, go to Settings → Sound. → Sound output and select HDMI output-device.

3. Wireless connection via Miracast and Google Cast

If you don't want to mess with wires, you can use wireless technology. Xiaomi Mi 10 supports:

• 📶 Miracast is a wireless screen transmission standard over Wi-Fi Direct (works on most modern TVs).
• 📱 Google Cast – for Chromecast or built-in support devices (e.g. Xiaomi Mi) TV).
• 🔄 Xiaomi Cast – proprietary technology from Xiaomi (similar to Miracast, but with optimizations for the ecosystem).

Advantages of wireless connection:

• ✅ No need for adapters.
• ✅ You can freely move with your smartphone within the range of Wi-Fi.

Disadvantages:

• ❌ 100-150 ms delay (unsuitable for gaming).
• ❌ Possible slowdown with a weak Wi-Fi signal.
• ❌ Permission is limited. 1080p@30Hz.

Instructions for connecting via Miracast:

1. Make sure your TV supports Miracast (usually in the network settings or in the Screen Mirroring menu).
2. On your smartphone, open Settings → Connected devices → Xiaomi Cast.
3. Click on “Wireless Display” and select your TV from the list of available devices.
4. Confirm the connection on TV (entry may be required) PIN-code).

For Google Cast (e.g., Chromecast):

1. Connect the Chromecast to your TV and set it up via the Google Home app.
2. Make sure your smartphone and Chromecast are connected to the same Wi-Fi network.
3. In an app that supports live streaming (like YouTube or Google Photos), click the Cast icon and select your device.

Wired (USB-C → HDMI)

Miracast (wireless)

Google Cast (Chromecast)

Don't plug in the external screen.

Another option-->

4. Connect to the monitor through USB-C → USB-C (DisplayPort)

If you have a modern monitor with a port USB-C (For example, Dell UltraSharp or LG UltraFine, you can connect directly with a cable USB-C → USB-C. There are a few advantages:

• 🔌 One cable connection – video, sound and power are transmitted simultaneously (if the monitor supports Power Delivery).
• 📊 High resolution - up to 4K@60Hz (supported by monitor).
• ⚡ Charging a smartphone – the monitor can power the Mi 10 with up to 18 watts.

How to connect:

1. Use high-quality cable with DisplayPort Alt Mode and Power Delivery support (e.g. Anker PowerLine)+ or Belkin Thunderbolt 3).
2. Connect your smartphone and monitor with a cable. On the monitor, select the source of the signal. USB-C.
3. You'll see a connection notification on your smartphone. Go to Settings. → Screen. → Display mode and select the desired option ("Duplicate" or "Expand").

⚠️ Attention: Not all USB-C We're going to have to use the cables to support video transmission, and cheap charging cables won't do. 4K Video or DisplayPort Alt Mode".

5.Using Xiaomi Mi 10 in DeX Mode (an alternative to Samsung DeX)

Unlike Samsung, Xiaomi does not have an official counterpart to DeX, but you can emulate similar functionality with the help of third-party applications, which will allow you to use the smartphone as a mini PC with a full desktop on the external screen.

The most popular solutions:

• 🖥️ Sentio Desktop – creates a Windows-like interface with mouse and keyboard support.
• 📱 Second Screen – expands the screen of the smartphone on the monitor with the ability to drag and drop windows.
• 🎮 UserLAnd – allows you to run full-fledged Linux distributions (such as Ubuntu) on an external display.

Instructions for setting up Sentio Desktop:

1. Download the Sentio Desktop app from Google Play.
2. Connect your smartphone to an external screen (wired or wirelessly).
3. Start Sentio Desktop andfollow the on-screen instructions to set up the desktop environment.
4. Connect a Bluetooth mouse and keyboard (or use a monitor touch screen if supported).

Limitations:

• ❌ Not all apps scale correctly on the big screen.
• ❌ Performance depends on the power of the smartphone – Mi 10 will cope with office tasks, but not with heavy games.
• ❌ No official support from Xiaomi – bugs are possible.

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DeX mode on Xiaomi Mi 10 works only through third-party applications. For stable operation, choose a wired connection and close the background programs to free up resources.

6 Problem Solving: No image, sound or connection is cut off

Even with the right connection, there can be failures, and here are the most common problems and ways to solve them:

If none of these methods worked, try:

• 🔄 Reset network settings (Settings) → System system → Reset → Resetting Wi-Fi, Mobile Network and Bluetooth).
• 📱 Update MIUI up to the latest version (in new firmware fix bugs with image output).
• 🛠️ Check the port USB-C physical damage (dust, pollution).

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If you connect your smartphone to your TV and see the message “Unsupported format”, try manually changing the resolution in the settings. HDMI. For example, instead of 4K@30Hz, choose. 1080p@60Hz.

7. Optimization of performance when working with the external screen

The display on the second screen loads the processor and battery. To avoid overheating and rapid discharge, follow these tips:

• 🔋 Connect charging – with active use of the external screen, the Mi 10 discharges 2-3 times faster.
• ❄️ Use cooling – if the smartphone gets hot, lower the screen brightness or close the background apps.
• 📉 Lower resolution – if you don’t need maximum clarity, select 1080p instead 4K.
• 🚫 Turn off unnecessary functions – Bluetooth, GPS and the NFS additionally load the processor.

For gamers:

• 🎮 If you play through an external screen, turn on "Performance Mode" in the battery settings.
• 🔊 Turn off sound effects in the game – they increase latency when wirelessly connected.
• 📶 For Miracast, use a router with Wi-Fi 6 support (5 GHz) – this will reduce latency.

⚠️ Warning: With prolonged use of the external screen (more than 2 hours), the temperature of the Snapdragon 865 processor can reach 60-65°C. This is normal, but if your smartphone gets hot to the touch, take a 10-15-minute break.

8. Alternative methods: DLNA, TeamViewer and Cloud Solutions

If standard methods are not suitable, alternative technologies can be used:

• 📡 DLNA — transferring media files (photos, videos, music) to the TV without duplication of screen.
• 🖥️ TeamViewer QuickSupport - remote access to a smartphone from a PC, but with a delay of 200-300 ms.
• ☁️ Cloud services (such as Rainway or Moonlight) – streaming games from PC to smartphone and then outing them to TV.

Instructions for setting up DLNA:

1. Make sure the TV supports you. DLNA (This is usually indicated in the menu "Network" or "Media").
2. On your smartphone, open the Files or Gallery app.
3. Select a file, click "Share" and find the option "DLNA" or "Transmit to" TV".
4. Select your TV from the list of devices.

Advantages of DLNA:

• ✅ No delay in video playback.
• ✅ Does not load the smartphone processor.

Disadvantages:

• ❌ You can’t duplicate the screen, only transfer files.
• ❌ Not all video formats are supported (for example, the video formats are not supported, MKV may not reproduce).

FAQ: Frequent questions about connecting the screen to Xiaomi Mi 10