Broadcasting the Xiaomi Redmi 9 screen to a laptop offers many opportunities, from showcasing presentations to streaming games or watching movies on the big screen. However, not all users know that you do not need to buy additional hardware for this, just use the built-in functions of a smartphone or free software. In this article, we will discuss 5 proven ways to transfer images from Redmi 9 to a laptop running Windows, macOS or Linux, including solutions for cases when standard methods do not work.
Feature of Redmi 9 (model M2003J15SC/M2004J19G) It is supported by Miracast and USB-It's not all wireless protocols, but it's not all wireless protocols, for example, Screen Mirroring might not be on the menu if the laptop isn't compatible with Wi-Fi Direct. MIUI (including MIUI 14) And you'll find some nuances that are not in the official manuals, and you'll also learn how to get around manufacturer restrictions and achieve stable broadcasts without lags.
1. Broadcast via Miracast (wireless method)
The easiest way to bring the Redmi 9 screen to your laptop is to use Miracast technology built into Windows 10/11, which allows you to transfer images over Wi-Fi without additional programs, but requires support for the protocol on both devices.
To check the compatibility of the laptop, do in the command line of Windows:
netsh wlan show driversIn the conclusion, find the line Miracast Support. If it says Yes, you can start setting up.
- 📱 On your smartphone: open Settings → Connection and sharing → Screen Mirroring (or Screen Mirroring in the notification panel).
- 💻 On a laptop: press Win + K and select Connect to the wireless display.
- 🔄 In the list of available devices will appear the name of your Redmi 9 – click on it to pair.
⚠️ Note: If your laptop doesn’t see your smartphone, update your Wi-Fi adapter drivers via Device Manager or use an external Miracast-enabled adapter (e.g., Microsoft Wireless Display Adapter).
On Redmi 9 with MIUI 12 and later, the streaming feature may be hidden under the name "Wireless Display" or "Cast." If it's not on the menu, upgrade to the latest version of the firmware.
2. USB connection (the most stable method)
If wireless methods fail, USB connectivity ensures minimal latency and high-definition images, which requires a USB-Type C cable (included in Redmi 9) and USB debugging enabled.
Instructions:
- Activate Developer Mode on your smartphone: go to Settings → About Phone and click on MIUI Version 7 times.
- Return to Settings → Additional → For developers and enable USB debugging.
- Connect your smartphone to your laptop and select File Transfer (MTP) mode.
- Install scrcpy (free, running on Windows/macOS/Linux) on your laptop and run it through the command line:
scrcpyWhen you first connect to Redmi 9, you'll see a request for debugging permission, confirm it, and in a few seconds, the smartphone will be displayed on your laptop.
Enable the developer mode|Activate debugging by USB|Install drivers ADB|Download scrcpy from the official website-->
| Method | Delay. | Quality. | Internet is required |
|---|---|---|---|
| Miracast | 100-300 ms. | Full HD (1080p) | No. |
| USB (scrcpy) | 20-50 ms | Original | No. |
| Wi-Fi Direct | 150-400 ms | HD (720p) | No. |
| The Appendix (ApowerMirror) | 200-500 ms. | Full HD | Yes. |
3.Using Wi-Fi Direct (without a router)
If your laptop doesn't support Miracast, but you have a Wi-Fi adapter with Wi-Fi Direct, you can organize a live stream, which works without an Internet connection, but requires pre-configuration.
Algorithm of action:
- 📱 On Redmi 9: Open Settings → Wi-Fi → Wi-Fi Direct and enable the function.
- 💻 On a laptop: activate Wi-Fi Direct via the Network Control Panel (in Windows) 10/11 This option may be called "Mobile Hotspot").
- 🔗 Connect your smartphone to your laptop as an access point, then start the broadcast via Screen Mirroring.
⚠️ Note: On some laptops (such as those with Intel adapters) AX200) Wi-Fi Direct is unstable. If the image slows down, reduce the resolution to 720p smartphone-setting.
To improve stability, it is recommended that:
- 📶 Switch Wi-Fi on your laptop to 5GHz (if supported).
- 🔋 Charge your smartphone to 100% – broadcast over Wi-Fi Direct quickly drains the battery.
- 🚫 Close background applications on both devices.
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If your laptop doesn't see Redmi 9 through Wi-Fi Direct, try temporarily disabling the Windows firewall or antivirus.
4.Side of the application: ApowerMirror and TeamViewer
When built-in methods don’t work, third-party programs come to the rescue, such as ApowerMirror, which allows you to broadcast the screen over Wi-Fi or USB with minimal settings, and the advantage of this method is that it supports the management of a smartphone from a laptop (mouse / keyboard).
The following steps are taken for ApowerMirror:
- Download and install the app on Redmi 9 (from Google Play) and on your laptop (from the official website).
- Connect both devices to the same Wi-Fi network.
- Run the program on your laptop and select Wi-Fi Connection.
- On your smartphone, open ApowerMirror and press START NOW, then select your laptop name from the list.
For TeamViewer QuickSupport algorithm is similar, but with one caveat: the first connection will require to enter the ID of the device, which is displayed on the screen of the smartphone.
| Annex | Support for management | Delay. | Paid version |
|---|---|---|---|
| ApowerMirror | Yes. | 200-400 ms. | Eat (free with watermark) |
| TeamViewer | Yes. | 300-600 ms. | Yes (for commercial use) |
| Vysor | Yes. | 150-300 ms | There are (free with restrictions) |
⚠️ Warning: Free versions of ApowerMirror and Vysor watermark the broadcast image. To remove them, you will need to purchase a license (from 10 to 10).$ monthly).
5. Problem Solving: Why the Broadcast Doesn't Work
Even with the right settings, the broadcast may not start.-5 causes and ways of eliminating them:
- 🔌 Laptop does not support Miracast: Use USB-method or external adapter (e.g. Netgear) Push2TV).
- 📶 Weak Wi-Fi signal: Switch to 5GHz band or connect via cable.
- 🔒 Firewall lock: Temporarily turn off protection or add an exception for the broadcast program.
- 📱 Older firmware: Update Redmi 9 to the latest version MIUI through settings → Updating the system.
- 🔧 There are no drivers. ADB: Download Minimal. ADB and Fastboot and install them manually.
If the image is broadcast but slows or tears, try:
- 🎮 Reduce the broadcasting permission to 720p appliance.
- 🔌 Connect the laptop to the power network (on the battery, Wi-Fi performance may be limited).
- 🚫 Close all background programs, especially torrent clients and cloud services.
How to check Miracast support on a laptop without a command line?
6.Alternative methods: Chromecast and DLNA
If none of the above methods work, consider using external devices:
- 📺 Chromecast: Connect the device to HDMI-port of the laptop (via adapter) and broadcast the screen through Google Home.
- 🌐 DLNA-Server: Install Plex or Kodi on your laptop, and LocalCast on your smartphone for streaming media files.
- 🖥️ HDMI-Adapter: Buy an adapter USB-C → HDMI (For example, Baseus HDMI Adapter) for direct display of the image.
The downside of these methods is the additional cost of equipment, but they guarantee maximum quality (up to 4K@30Hz for HDMI) and minimal latency.
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For broadcasting games or videos with high latency requirements, the optimal solution remains the best solution. USB-Connecting via scrcpy. Wireless methods are suitable for presentations or viewing content.