How to connect a Xiaomi device to a monitor: from a smartphone to a TV box

Connecting Xiaomi devices to an external monitor opens up new possibilities: from watching movies on a large screen to working with documents in DeX-like interface mode. However, not all users are aware that modern smartphones, tablets and even TV set-top boxes of the brand support image output through various interfaces. In this article, we will discuss all the current ways of connecting - from wired to wired (HDMI, USB-C) Wireless (Miracast, Wi-Fi Direct) and how to avoid common setup errors.

It is important to understand that the method of connection depends on the model of the device. 13/14 series K60 Pro supports DisplayPort Alt Mode via USB-C, The budget model, like the Redmi Note, 12 You can use adapters, and you can use Mi Box S or Mi TV boxes. TV Stick doesn't need any more manipulation at all -- they're designed to work with monitors, and we structured the information so that you can quickly find a solution for your gadget.

1. Compatibility Check: Which Xiaomi device can be connected to the monitor?

Not all Xiaomi gadgets support displaying images on the external screen, but here are the key compatibility criteria:

  • ๐Ÿ“ฑ Smartphones: only models with DisplayPort Alt Mode support (usually flagships with Snapdragon processor) 8 series 9000+). Examples: Xiaomi 12/13/14 Pro, Redmi K50/K60 Ultra, POCO F5 Pro.
  • ๐Ÿ“บ All models (Mi Box S, Mi) TV Stick, Xiaomi TV Box 4K) Connect to the monitor through HDMI directly.
  • ๐Ÿ–ฅ๏ธ Tablets: Xiaomi Pad 5/6 series support the conclusion of USB-C (Adapters are needed or wireless protocols.
  • โŒ Not supported: budget smartphones (Redmi) 10A, POCO M5), fitness bracelets, smart watches, lamps and other peripherals.

To find out exactly whether your smartphone supports display on the monitor, check the specifications on the official Xiaomi website or in the documents to the device. USB-C". If there is no such function, only wireless methods remain (we will discuss them below).

๐Ÿ“Š What Xiaomi device do you want to connect?
Smartphone
Tablet
TV box (Mi Box)
Xiaomi Smart TV
Other

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

This is the most stable way with minimal delay.

  • ๐Ÿ”Œ For smartphones/tablets: cable USB-C โ†’ HDMI (Supported by DisplayPort Alt Mode or adapter + separate HDMI-cable.
  • ๐Ÿ–ฅ๏ธ For TV boxes: standard HDMI-cable (usually included in the package).
  • โšก Power: charger (when connected to a smartphone, the screen can quickly discharge).

Instructions for smartphones:

  1. Connect the adapter or cable to the port USB-C smartphone.
  2. Put the other end of the cable in the port HDMI monitor (select the right signal source on the monitor โ€“ usually the Source or Input button).
  3. On the smartphone will appear a notification about the connection of the external display: ๐Ÿ”„ "Duplicate the screen" - the monitor repeats the image of the smartphone. ๐Ÿ“บ "Expand the screen" - the monitor becomes the second desktop (not supported on all models).

Settings โ†’ Display. โ†’ External monitor

โ˜‘๏ธ What to check before connecting to HDMI

Done: 0 / 4

For TV boxes (Mi Box S, Mi) TV Stick):

  1. Connect the box to the monitor through HDMI.
  2. Connect the power supply (use the original power supply!).
  3. Select the source of the signal on the monitor (for example, HDMI 1).
  4. Follow the instructions on the screen for initial setup.

Instructions for smartphones and tablets:

  1. Make sure the monitor supports Miracast (usually indicated in the specifications or settings menu under "Screen Mirroring" or "Wireless Display").
  2. On a Xiaomi smartphone, open Settings โ†’ Connection and Sharing โ†’ Transfer to the screen (or Cast).
  3. Turn on the device search. Your monitor should appear on the list.
  4. Select a monitor and confirm the connection. Some models will require input. PIN-code that will appear on the monitor screen.

For TV boxes (Mi Box):

  1. Go to Settings. โ†’ The device โ†’ Screen transmission.
  2. Activate the option "Enable wireless display".
  3. On your smartphone, select your Mi Box from the Cast menu.
The deviceSupported protocolsMax, permission.Delay (MS)
Xiaomi 13/14 ProMiracast, Wi-Fi Direct1080p@6050โ€“100
Redmi Note 12 Pro+Miracast1080p@3080โ€“120
Xiaomi Pad 6Miracast, AirPlay (with update)1080p@6040โ€“90
Mi Box SMiracast, DLNA4K@6030โ€“60

โš ๏ธ Attention: Wireless transmission can cause delays (lag) of up to 100 ms, which is critical for gaming or watching dynamic video.

๐Ÿ’ก

If the monitor doesnโ€™t support Miracast, but you have a router, you can use apps like ApowerMirror or TeamViewer to transfer the screen over a local network.

4. Connection through USB-C โ†’ DisplayPort: For professionals

This method is relevant for owners of monitors with a DisplayPort port (often found in gaming or professional models).

  • ๐ŸŽฎ Minimal latency (ideal for gaming).
  • ๐Ÿ–ฅ๏ธ Support for high resolution (up to) 4K@120Hz flagship-based).
  • ๐Ÿ”Œ More reliable connection compared to HDMI.

What you need:

  • adapter USB-C โ†’ DisplayPort (e.g. Xiaomi) USB-C to DP Cable or third-party certified adapters).
  • A monitor with a DisplayPort 1.2 or later.

Instructions:

  1. Connect the adapter to the smartphone.
  2. Plug the other end into the DisplayPort monitor port.
  3. On the smartphone, a request may appear to select the display mode (duplicate / expand).
  4. If the image doesnโ€™t appear, check the monitor settings (signal source) and try a different adapter.

Critical: Not all adapters USB-C โ†’ DisplayPort works with Xiaomi. Check to have the adapter support DisplayPort Alt Mode and is compatible with the Xiaomi. MIUI. Cheap, uncertified cables may not transmit images or limit resolution to 1080p.

5 Problem Solving: What to do if the monitor canโ€™t see the Xiaomi device

Even with the right connection, there can be failures, and here are the typical causes and ways to fix them:

Problem.Possible causeDecision
No image.Wrong signal source on the monitorClick Source on the monitor and select the right one. HDMI/DisplayPort
Black screen after connectionIncompatible permissionChange the resolution on the smartphone in the settings of the external display or update the monitor firmware
The sound comes from a smartphone, not a monitor.Audio output settingsIn the Cast or External Display menu, select the "Transmit Sound" option.
Lags with wireless connectionWeak Wi-Fi signalConnect to 5 GHz network or use a wired connection

If the problem is not resolved:

  1. Restart both devices (smartphone and monitor).
  2. Try another cable/adapter.
  3. Update the firmware on your Xiaomi device (sometimes bugs are fixed in new versions) MIUI).
  4. Reset network settings on your smartphone (Settings) โ†’ The Internet and the Internet โ†’ Resetting settings Wi-Fi/Bluetooth).
How to check if your smartphone supports DisplayPort Alt Mode?
Open the command line on the PC and connect the smartphone to USB. Enter the command: adb shell dumpsys display In the output, look for the line "DisplayPort." If it is not, your device does not support output. USB-C.

6. Image optimization: resolution, frequency and color settings

Once you've connected successfully, you can improve the image quality.

  • ๐Ÿ“ Resolution: Select the maximum supported by both the monitor and the device. 4K, And the smartphone only gives you 1440p, set up 1440p avoidance.
  • ๐Ÿ”„ Update frequency: for games, select 120 Hz (if supported), for movies, 60 Hz is enough.
  • ๐ŸŽจ Color profile: In the monitor settings, turn on HDR (If the smartphone supports, for example, Xiaomi 13 Ultra).

How to change the settings on the smartphone:

  1. Connect the device to the monitor.
  2. Open the Settings. โ†’ Display. โ†’ External monitor.
  3. You can select the resolution and frequency you want. Some models can also include the power on this. HDR or dynamic range.
  4. For fine tuning of colors, use the monitor menu (contrast, brightness, color temperature).

For TV boxes (Mi Box):

  1. Go to Settings โ†’ Display and Sound โ†’ Screen Resolution.
  2. Select the Auto or manually set the required permission (for example, 3840ร—2160@60Hz).
  3. Activate Dolby Vision or HDR10, if the monitor supports.

๐Ÿ’ก

For games via Xiaomi Game Turbo (on smartphones), the display and sound settings are automatically optimized when connected to the monitor.

7. Alternative methods: DLNA, Chromecast and third-party apps

If standard methods do not work, alternative solutions can be used:

  • ๐Ÿ“ก DLNA: to transfer media files (photos, videos, music) without screen duplication, supported on the Mi Box and some smartphones.
  • ๐Ÿ–ฅ๏ธ Google Chromecast: If you have a Chromecast device, connect it to a monitor and stream the screen through the Google Home app.
  • ๐Ÿ“ฑ Application side: ApowerMirror, TeamViewer, Scrcpy (the latter requires a PC as an intermediary).

Instructions for DLNA:

  1. Connect your smartphone and monitor (or Mi Box) to the same Wi-Fi network.
  2. On your smartphone, open the Gallery or Music, select a file and click "Transfer" or "Cast".
  3. In the list of devices, select your monitor or Mi Box.

For Scrcpy (an advanced method for geeks):

  1. Install Scrcpy on PC (official website).
  2. Connect your smartphone to your PC USB And turn on the debugging. USB (Settings โ†’ The phone. โ†’ Version. MIUI โ€” Press 7 times, then return to Additional โ†’ For developers).
  3. Run Scrcpy on a PC โ€“ the image of the smartphone will appear on a monitor connected to the computer.

โš ๏ธ Note: Scrcpy does not transmit sound from your smartphone to your monitor, and you will need additional software like this. WBX or SoundWire.

FAQ: Frequent questions about connecting Xiaomi to the monitor

Can I connect the Redmi Note 11 to a monitor?
Redmi Note 11 does not support DisplayPort Alt Mode USB-C, So you can't wire it, and you can only wirelessly use Miracast (if you have a monitor) or third-party apps like ApowerMirror.
Why is there no sound when connecting Xiaomi 13 Pro to the monitor?
In the Cast or External Display settings, you need to manually turn on the "Transmit Sound" option. If you don't, the sound only comes through the speakers of the smartphone. HDMI (Some cheap models only display video).
How to connect Xiaomi Pad 6 to a resolution monitor 4K?
Xiaomi Pad 6 maintains the conclusion 1440p@60Hz down USB-C. For 4K Required: Use a certified adapter USB-C โ†’ HDMI 2.1. Update the firmware of the tablet to the latest version (new updates may support) 4K). Manually select permission 3840ร—2160 in the external display settings (if available). 4K Not available โ€“ maximum resolution for your model 2560ร—1440.
Can Xiaomi be used as a system unit for the monitor?
Yes, but with reservations. Xiaomi smartphones do not support full-fledged DeX mode (as Samsung does), but you can: Use the Second screen in Expand mode (on some models); Install a launcher with a large screen interface (for example, Taskbar). + Floating Apps. Connect your mouse and keyboard via Bluetooth. For a full replacement of the PC, you should use the Mi Box with Android. TV or Xiaomi Pad tablet with keyboard.
How to connect Xiaomi to a monitor without HDMI?
If the monitor doesn't. HDMI, But there are other ports, use them: USB-C โ†’ DisplayPort (if the monitor supports the DP). USB-C โ†’ VGA (An active adapter is required because VGA โ€” analog). USB-C โ†’ DVI (You need an adapter with DisplayPort support++). Wireless methods (Miracast, DLNA). For VGA/DVI No audio will be transmitted โ€“ separate speakers or Bluetooth audio will be required.