Broadcasting the screen of Xiaomi Redmi Note 9 Pro on a Xiaomi TV opens up new possibilities for watching videos, games and presentations on the big screen. However, not all users know that there are several methods for this, from wireless technologies to wired connections. The main obstacle that owners face is the incompatibility of protocol versions or hidden settings in MIUI.
In this article, we will discuss 5 Proven screen synchronization methods, including Miracast, Wi-Fi Direct, HDMI-Adapters and proprietary applications from Xiaomi. We will pay special attention to typical errors, such as the lack of the option "Wireless display" in the settings or problems with connecting through Screen Mirroring. MIUI 12/13 And make the broadcast work even on older models of Xiaomi TVs.
1. Preparation of the telephone and TV for broadcasting
Before setting up, make sure that both devices meet the minimum requirements:
- 📱 Redmi Note 9 Pro should work on the MIUI 11 or later (check in Settings) → Older versions of firmware don't support Miracast.
- 📺 Xiaomi TV should have Screen Mirroring feature (usually available on 2018 and newer models) On older TVs, an external Miracast adapter may be required.
- 🔄 Both devices must be connected to the same Wi-Fi network (for local area network-based methods).
If your TV doesn’t appear in the list of available broadcast devices, try:
⚠️ Attention: On some firmware MIUI The Wireless Display option is hidden. To activate it, go to Settings. → Special facilities → Functions Lab and enable Wireless Display (if available).
| Xiaomi TV model | Miracast support | Need an adapter? |
|---|---|---|
| Mi TV 4S/4X (2020+) | Yeah (built-in) | No. |
| Mi TV Q1/Q2 (2021+) | Yes (with update) | No. |
| Mi TV 3S (2017-2019) | Partially. | Yes (Miracastdongle) |
| Mi TV Stick | Yes (via HDMI) | No. |
Method 2: Wireless broadcast via Miracast (Screen Mirroring)
This is the most versatile method, requiring no additional devices. Miracast is built into most modern Xiaomi TVs and supported by Redmi Note 9 Pro at the firmware level.
- On TV: Open Settings → Connect and Sharing → Screen Mirroring (or Wireless Display).
- On your phone: go to Settings → Connections and Sharing → Wireless Display (in some versions of MIUI, the path may differ: Settings → Screen → Wireless Monitor).
- In the list of available devices, select your TV. Confirm the connection on both devices.
If the TV is not displayed:
- 🔄 Reboot both devices.
- 📶 Make sure your phone has Wi-Fi on (even if you’re not connected to the network).
- 🔧 Update the TV firmware through Settings → Update of the PO.
Television and phone in the same Wi-Fi network |
Screen Mirroring feature is now on TV|
Wireless display activated on phone |
MIUI firmware not older than 2 years
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⚠️ Note: Redmi Note 9 Pro with MIUI 12.5+ You can delay up to 2 seconds when you stream through Miracast. 720G. It's better to use it for games. HDMI-adapter.
Method 2: Connect via Wi-Fi Direct (direct connection)
If your TV doesn't support Miracast, but you have Wi-Fi Direct, you can stream it over a direct connection, which works more consistently over longer distances (up to 10 meters), but requires pre-tuning.
Step-by-step:
- On TV: Settings → Network → Wi-Fi Direct → Enable Remember the network name and password (if required).
- On Phone: Settings → Wi-Fi → Additional → Wi-Fi Direct Choose the name of your TV and enter your password.
- After connecting, launch a live streaming app (such as Mi Home or Google Home) and select the “Translate Screen” option.
Advantages of the method:
- 🎮 Less latency compared to Miracast (about 0.5 seconds).
- 📶 It works without a router (direct connection).
- 🔒 Supports encryption WPA2.
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If the broadcast is interrupted, try limiting the background processes on your phone. Go to Settings → Apps → Autostart and disable autorun for unnecessary programs.
Method 3: Wired connection through HDMI-adapter
For minimal latency (critical for gaming or watching high-resolution video) use HDMI-Redmi Note 9 Pro supports image output via port USB-C adapter USB-C → HDMI.
What you need:
- 🔌 adapter USB-C to HDMI (We recommend original from Xiaomi or certified Anker).
- 📺 HDMI-cable (usually complete with a TV).
- ⚡ Power supply for the phone (broadcast drains the battery for the 1.5-2 hour).
How to connect:
- Connect the adapter to the USB-C port on your phone.
- Put it in. HDMI-cable to the adapter and connect to the TV (port) HDMI 1/ARC preferably).
- On the TV, select the appropriate HDMI-signal-input.
- The phone will be notified of the connection to the external display – confirm it.
| Permission | Is it supported? | Delay. | Notes |
|---|---|---|---|
| 1920×1080 (Full HD) | Yes. | ~50 ms. | Best for video. |
| 2560×1440 (QHD) | Partially. | ~80 ms. | Maybe slow down. |
| 3840×2160 (4K) | No. | — | Snapdragon 720G does not support |
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HDMI-The adapter provides the lowest latency and stable connection, but requires the purchase of additional hardware.Ideal for streaming games or watching movies in high quality.
5. Method 4: Broadcast through Xiaomi apps (Mi Home, Mi TV Assistant)
Xiaomi’s proprietary apps not only allow you to stream your screen, but also control your TV from your phone, a method that is convenient for viewing photos/video from a gallery or running apps on TV.
Instructions for Mi Home:
- Install the Mi Home app from Google Play.
- Add the TV to the list of devices (click + → TV → Xiaomi).
- After connecting, tap on the TV icon and select Translate screen.
For the Mi TV Assistant (Xiaomi TVs only):
- 📱 Download the app from Xiaomi’s official website (not available on Google Play for some regions).
- 🔍 Turn on the Mi option on the TV TV Assistant in network settings.
- 📲 On your phone, select the TV from the list and confirm the connection.
How to fix the “unable to connect” error in Mi Home
6. Method 5: Using Google Cast (Chromecast)
If your Xiaomi TV supports Google Cast (like Android TV models), you can stream the screen through Google Home.This method works even with apps that don't support Miracast (like Netflix or YouTube).
How to set up:
- Install Google Home on your phone.
- Add the TV to the app (click + → Set up the device → Set up new devices).
- After connecting, swipe down on the app's home screen and select Screen Translation.
Limitations:
- 🚫 Not all applications support broadcasting via Cast (e.g. TikTok or Cast). VK Videos block this function).
- 🎵 Sound can be transmitted with a delay of up to 1 second.
7. Solving typical broadcasting problems
Even after you set it up correctly, users are faced with errors, and here are the most common ways to fix them:
| Problem. | Reason. | Decision |
|---|---|---|
| The TV is not displayed in the list of devices | Wi-Fi or Miracast on TV is disabled | Check your network settings and turn on Screen Mirroring |
| Broadcasts lag or slow down | Weak Wi-Fi signal or background processes | Connect to 5 GHz network or close apps on your phone |
| No sound when broadcasting | On the phone selected another audio output | In the notification bar, select HDMI/Wireless Display as the sound source. |
| Black screen on TV | Permit incompatibility | In the broadcast settings, select 1080p instead of Auto. |
⚠️ Note: Redmi Note 9 Pro with MIUI 14+ Protected content can be blocked (Netflix, Disney)+). To get around the restriction, turn off DRM-Protection in the developer settings (Settings) → The phone. → Version. MIUI (7 taps) → Disable "Protection" HDCP").
8. Comparison of methods: which way to choose?
The choice of method depends on your tasks:
- 🎮 For games: HDMI-Adapter (minimum latency) or Wi-Fi Direct.
- 🎬 For video: Miracast or Google Cast (if the app is supported).
- 📷 For photo / presentations: Mi Home or Mi applications TV Assistant.
- 🚗 For travel: Wi-Fi Direct (no router required).
If you want a universal solution without buying adapters, start with Miracast. For maximum quality and stability, use HDMI.
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For owners of Redmi Note 9 Pro with MIUI 13+, the optimal balance of quality and convenience is provided by a combination of Wi-Fi Direct (for games) and Miracast (for video).