Connecting the Xiaomi Mi 9 to a TV opens up new possibilities, from watching movies on a big screen to showing photos to friends or streaming games. However, not everyone knows that this device has 5 different ways of connecting, from wireless protocols to wired adapters. The choice of method depends on the model of your TV, the availability of additional accessories and even the version of the MIUI firmware.
In this article, we will analyze each connection option โ from the simplest (via Wi-Fi Direct) to the universal (using the use of Wi-Fi Direct). HDMI-We'll also tell you how to get around common errors like no sound or lags when broadcasting. MIUI 14+, This is often ignored in official instructions, but it is more stable than the standard Screen Mirroring.
Before you start, check:
- ๐ฑ Version MIUI on your Xiaomi Mi 9 (up-to-date firmware reduces the risk of crashes).
- ๐บ Support for Miracast technology, DLNA or HDMI-CEC (see the TV instruction).
- ๐ Presence of adapters (e.g, USB-C โ HDMI), If you are planning a wired connection.
1. Wireless connection via Miracast (Screen Mirroring)
The most popular way is to use Miracast technology, built into Xiaomi Mi 9 and most modern TVs, which allows you to duplicate the screen of your smartphone on TV without wires, but with some limitations: a delay of up to 1-2 seconds and a possible decrease in image quality.
How to turn Miracast on Xiaomi Mi 9:
- Open Settings โ Connection and Sharing โ Screen Transfer.
- Select Wireless Screen Transfer (Miracast).
- In the list of available devices, find the name of your TV (for example, Samsung UE55... or LG WebOS TV).
- Confirm the connection on both devices.
If the TV is not on the list, check:
- ๐ Is Miracast on TV (usually on the Network menu) โ Screen Mirroring or All settings โ Wireless communication).
- ๐ถ Both devices are connected to the same Wi-Fi network (not always necessary, but simplifies search).
- ๐ Battery charge of Mi 9 above 20% (at low charge the function can be blocked).
Why Miracast can't work on MIUI 14+
โ ๏ธ Note: When using Miracast, Xiaomi Mi 9 automatically turns off NFC And Bluetooth to save power, and if you need to stream your screen and use wireless headphones at the same time, you can use a different method of connecting.
2. Connection through HDMI-adapter (wiring method)
If wireless technology is causing lags or your TV doesnโt support Miracast, wired HDMI connectivity is the best solution, and youโll need a USB-C โ HDMI adapter (such as the original one from Xiaomi or an Anker certified one).
Step-by-step:
- Connect the adapter to the USB-C port on the Mi 9.
- Connect. HDMI-cable with adapter and TV (use port) HDMI 1/ARC for better compatibility).
- On the TV, select the source of the signal (INPUT or SOURCE) โ fitting HDMI-port.
- The smartphone will appear a notification about the connection to the external display. Select the display mode: ๐ Duplicate screen (the same content on your phone and TV). ๐บ External display only (image only on TV).
The adapter supports video output in 4K (for the Mi 9 you need a DisplayPort Alt Mode chip).
HDMI-2.0 or higher cable (for resolution above) 1080p)
Game Mode on TV (reduces latency)
Phone charge over 30% (HDMI consumes)-->
Advantages of the method:
- ๐ฎ Minimal latency (ideal for games via Xiaomi Game Turbo).
- ๐ Support for permits up to 4K@30Hz (on Mi) 9 maximum โ 1080p@60Hz).
- ๐ Transmission of sound without additional settings.
| Parameter | Miracast | HDMI-adapter | Wi-Fi Direct |
|---|---|---|---|
| Delay (MS) | 100โ300 | 10โ50 | 150โ400 |
| Max, permission. | 1080p | 1080p@60Hz | 720p |
| Internet is required | No. | No. | Yes (for some TV) |
| Sound. | Yes. | Yes. | Sometimes not. |
3. Screen Transfer via Wi-Fi Direct (DLNA)
Wi-Fi Direct is an alternative to Miracast, which works even on older DLNA-enabled TVs. Unlike Miracast, the Xiaomi Mi 9 acts as a server and the TV as a client, meaning that you can only stream media (photos, videos, music) but not duplicate the entire screen.
How to set up:
- On the phone: Settings โ Connection and Sharing โ Wi-Fi Direct.
- On the TV: Turn on Wi-Fi Direct or Screen Share (on the network menu).
- Select the name of your TV from the list.
- Confirm the connection (may be required) PIN-code, such as 0000 or 1234).
- Open the gallery or player on Mi 9 and select the file to transfer.
Limitations of the method:
- ๐ซ No live screen broadcast (files only).
- ๐ Video quality is limited 720p (even if the file 4K).
- ๐ The sound can be transmitted with a delay.
๐ก
If the TV canโt see the Xiaomi Mi 9 over Wi-Fi Direct, try manually specifying the device. IP-phone address in settings DLNA I'll see you on TV. IP You can set up โ The phone. โ Status.
4. Use of the USB-cable (MHL/OTG)
A little-known way is to connect via USB-C โ USB-A cable with support for MHL or OTG. It does not work on all TVs, but can help if other methods are not available. Xiaomi Mi 9 supports USB 3.1 Gen1, which allows you to display the image through the adapter.
What you need:
- ๐ adapter USB-C โ HDMI supportive MHL (for example, Xiaomi USB-C to HDMI Adapter).
- ๐บ TV with USB-port MHL (Commonly marked as MHL-enabled).
Instructions:
- Connect the adapter to the Mi 9.
- Connect. HDMI-cable.
- On TV, select the USB or MHL source.
- The phone will be asked for permission to transfer data โ confirm.
โ ๏ธ Note: When connecting through USB Xiaomi Mi 9 will run out quickly. Use a Quick Charge 3.0 charger connected to your phone while you're streaming.
5. Connection via external devices (Chromecast, Fire TV Stick)
If your TV doesn't support Miracast or DLNA, you can use external consoles like Google Chromecast, Amazon Fire TV Stick or Xiaomi Mi TV Stick, a method that is versatile and often gives better quality than wireless smartphone protocols.
How to connect via Chromecast:
- Connect Chromecast to HDMI-Port your TV and set it up via Google Home.
- Make sure that the Xiaomi Mi 9 and Chromecast are connected to the same Wi-Fi network.
- Open a supported app (such as YouTube or Google Photos).
- Click the broadcast icon (๐ค) and choose your Chromecast.
Advantages of the method:
- ๐ฅ Support 4K HDR (if the prefix allows).
- ๐ฎ Possibility to stream games via Google Stadia or Xbox Cloud Gaming.
- ๐ Stable sound transmission without delay.
๐ก
External consoles (Chromecast, Fire TV) often run more stable than Miracastโs built-in features, especially on TVs older than 2018.
6. Solving common problems
Even with the right connection, errors can occur, and here are the most common ones and how to fix them:
| Problem. | Possible cause | Decision |
|---|---|---|
| TV doesn't see Xiaomi Mi 9 | Miracast is disabled on TV or phone | Check Screen Mirroring settings on both devices |
| No sound when connected | The phone has the wrong audio output | In the notification bar, click on the sound icon and select HDMI or External speaker. |
| Lags and brakes during broadcasting | Weak Wi-Fi signal or network congestion | Connect to a 5GHz network or use a wired method |
| Black screen on TV | Incompatible permission or cable | Try another one. HDMI-port or adapter with DisplayPort support |
If none of these methods worked:
- ๐ Reboot both devices.
- ๐ฑ Update the firmware MIUI last-minute.
- ๐ ๏ธ Reset the network settings on your phone (Settings) โ System system โ Reset โ Resetting Wi-Fi and Bluetooth settings).