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:
- ๐ฑ 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.
- ๐บ All models (Mi Box S, Mi) TV Stick, Xiaomi TV Box 4K) Connect to the monitor through HDMI directly.
- ๐ฅ๏ธ Tablets: Xiaomi Pad 5/6 series support the conclusion of USB-C (Adapters are needed or wireless protocols.
- โ 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).
2. the wired connection through HDMI or USB-C: step-by-step
This is the most stable way with minimal delay.
- ๐ For smartphones/tablets: cable USB-C โ HDMI (Supported by DisplayPort Alt Mode or adapter + separate HDMI-cable.
- ๐ฅ๏ธ For TV boxes: standard HDMI-cable (usually included in the package).
- โก Power: charger (when connected to a smartphone, the screen can quickly discharge).
Instructions for smartphones:
- Connect the adapter or cable to the port USB-C smartphone.
- 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).
- On the smartphone will appear a notification about the connection of the external display: ๐ "Duplicate the screen" - the monitor repeats the image of the smartphone. ๐บ "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
For TV boxes (Mi Box S, Mi) TV Stick):
- Connect the box to the monitor through HDMI.
- Connect the power supply (use the original power supply!).
- Select the source of the signal on the monitor (for example, HDMI 1).
- Follow the instructions on the screen for initial setup.
Instructions for smartphones and tablets:
- Make sure the monitor supports Miracast (usually indicated in the specifications or settings menu under "Screen Mirroring" or "Wireless Display").
- On a Xiaomi smartphone, open Settings โ Connection and Sharing โ Transfer to the screen (or Cast).
- Turn on the device search. Your monitor should appear on the list.
- 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):
- Go to Settings. โ The device โ Screen transmission.
- Activate the option "Enable wireless display".
- On your smartphone, select your Mi Box from the Cast menu.
| The device | Supported protocols | Max, permission. | Delay (MS) |
|---|---|---|---|
| Xiaomi 13/14 Pro | Miracast, Wi-Fi Direct | 1080p@60 | 50โ100 |
| Redmi Note 12 Pro+ | Miracast | 1080p@30 | 80โ120 |
| Xiaomi Pad 6 | Miracast, AirPlay (with update) | 1080p@60 | 40โ90 |
| Mi Box S | Miracast, DLNA | 4K@60 | 30โ60 |
โ ๏ธ Attention: Wireless transmission can cause delays (lag) of up to 100 ms, which is critical for gaming or watching dynamic video.
๐ก
If the monitor doesnโt 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).
- ๐ฎ Minimal latency (ideal for gaming).
- ๐ฅ๏ธ Support for high resolution (up to) 4K@120Hz flagship-based).
- ๐ 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:
- Connect the adapter to the smartphone.
- Plug the other end into the DisplayPort monitor port.
- On the smartphone, a request may appear to select the display mode (duplicate / expand).
- If the image doesnโt 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 canโt 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 cause | Decision |
|---|---|---|
| No image. | Wrong signal source on the monitor | Click Source on the monitor and select the right one. HDMI/DisplayPort |
| Black screen after connection | Incompatible permission | Change 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 settings | In the Cast or External Display menu, select the "Transmit Sound" option. |
| Lags with wireless connection | Weak Wi-Fi signal | Connect to 5 GHz network or use a wired connection |
If the problem is not resolved:
- Restart both devices (smartphone and monitor).
- Try another cable/adapter.
- Update the firmware on your Xiaomi device (sometimes bugs are fixed in new versions) MIUI).
- 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?
6. Image optimization: resolution, frequency and color settings
Once you've connected successfully, you can improve the image quality.
- ๐ Resolution: Select the maximum supported by both the monitor and the device. 4K, And the smartphone only gives you 1440p, set up 1440p avoidance.
- ๐ Update frequency: for games, select 120 Hz (if supported), for movies, 60 Hz is enough.
- ๐จ 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:
- Connect the device to the monitor.
- Open the Settings. โ Display. โ External monitor.
- You can select the resolution and frequency you want. Some models can also include the power on this. HDR or dynamic range.
- For fine tuning of colors, use the monitor menu (contrast, brightness, color temperature).
For TV boxes (Mi Box):
- Go to Settings โ Display and Sound โ Screen Resolution.
- Select the Auto or manually set the required permission (for example, 3840ร2160@60Hz).
- Activate Dolby Vision or HDR10, if the monitor supports.
๐ก
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:
- ๐ก DLNA: to transfer media files (photos, videos, music) without screen duplication, supported on the Mi Box and some smartphones.
- ๐ฅ๏ธ Google Chromecast: If you have a Chromecast device, connect it to a monitor and stream the screen through the Google Home app.
- ๐ฑ Application side: ApowerMirror, TeamViewer, Scrcpy (the latter requires a PC as an intermediary).
Instructions for DLNA:
- Connect your smartphone and monitor (or Mi Box) to the same Wi-Fi network.
- On your smartphone, open the Gallery or Music, select a file and click "Transfer" or "Cast".
- In the list of devices, select your monitor or Mi Box.
For Scrcpy (an advanced method for geeks):
- Install Scrcpy on PC (official website).
- 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).
- Run Scrcpy on a PC โ the image of the smartphone will appear on a monitor connected to the computer.
โ ๏ธ Note: Scrcpy does not transmit sound from your smartphone to your monitor, and you will need additional software like this. WBX or SoundWire.