Broadcasting the screen from Xiaomi Redmi Note 8 to other devices is a feature that opens up new possibilities for presentations, streams and even viewing content on the big screen. MIUI It supports multiple wireless image protocols, from standard Miracast to Xiaomiโs Mi Share, but how to activate these modes, what limitations exist for the 2019 model, and why there are sometimes delays or connection breaks?
In this article, we will look at all available streaming options from the Redmi Note 8, from embedded tools to third-party apps, and give you specific tips for setting up for minimal latency, highlighting the unique feature of this model: Supports simultaneous broadcasting to two devices via Mi Share (only available on the MIUI 12.5+). If youโve tried to connect to a TV or projector but have not succeeded, youโll find a solution to 90% of typical problems.
What is screen broadcasting and why you need it on the Redmi Note 8
Screen mirroring is a technology that transmits images and sound from your smartphone to an external device in real time. On the Xiaomi Redmi Note 8, this feature is implemented through several protocols:
- ๐บ Miracast is a universal standard for wireless transmission to TVs and projectors (works without the Internet).
- ๐ Mi Share โ Xiaomiโs proprietary technology for fast broadcasting between ecosystem devices (requires) MIUI 12+).
- ๐ Google Cast โ for streaming to Chromecast-enabled devices (e.g. Smart) TV Android TV).
- ๐ฑ DLNA โ Transfer of media files to compatible devices (not full screen broadcasting).
In practice, the broadcast will be useful for:
- ๐ฎ Games: display gameplay on the big screen without lags (with the right settings).
- ๐ Presentations: demonstration of slides or documents on the projector.
- ๐ฌ Movies: Watching movies from your phone on TV in high resolution.
- ๐ฑ Technical support: remote assistance to relatives through the broadcast of their screen.
โ ๏ธ Note: Redmi Note 8 does not support broadcasting in resolution above 1080p โ Even if your TV has 4K-This is the hardware constraint of the Snapdragon 665 chipset.
Built-in streaming methods on Redmi Note 8: step-by-step instructions
The smartphone offers two main ways to broadcast without installing additional applications, and we'll go through each in detail.
1. Miracast: a universal protocol for TVs and projectors
This method works with most modern smarts. TV (Samsung, LG, Sony) and projectors that support Wi-Fi Direct.
- Open Settings โ Connection and Sharing โ Broadcast.
- Activate the Wireless Display slider.
- In the list of available devices, select your TV or projector.
- Confirm the connection on both devices (entry may be required) PIN-code).
If the TV is not on the list:
- ๐ Make sure both devices are connected to the same Wi-Fi network (not necessarily for Miracast, but sometimes required).
- ๐ Reboot the router and smartphone.
- ๐บ On the TV, activate Screen Mirroring (in the Network or Connections menu).
The devices are at a distance of up to 5 meters|The TV supports Miracast (check the instructions)|Redmi Note 8 includes Wi-Fi and Bluetooth|Disabled. VPN and energy-saving regimes-->
2. Mi Share: branded broadcast between Xiaomi devices
Mi Share is an analogue of Apple's AirDrop, but with screen broadcast support. It only works between Xiaomi devices on the same platform. MIUI 12 and newer.
- Activate on both devices Settings โ Connection and sharing โ Mi Share.
- On Redmi Note 8, select Broadcast screen.
- The list will include a compatible device (for example, Xiaomi Mi). TV snuff).
- Confirm the connection on the receiving device.
A unique feature of the Redmi Note 8: when broadcasting via Mi Share, you can simultaneously use your smartphone for other tasks (for example, respond to messages), while with Miracast, the screen is completely duplicated.
| Parameter | Miracast | Mi Share |
|---|---|---|
| Internet is required | โ No. | โ No. |
| Max, permission. | 1080p | 1080p |
| Delay (lag) | 100-200 ms. | 50-100 ms |
| It's not working.-Xiaomi device | โ Yes. | โ No. |
| Multitasking on the phone | โ No. | โ Yes. |
The side of the application for broadcasting: when built-in functions are not enough
If the built-in methods donโt work or you need advanced features (for example, broadcasting with sound on a PC), it is worth considering third-party solutions.-3 Proven applications for Redmi Note 8:
1. ApowerMirror
The application allows you to broadcast the screen on Windows/Mac Minimal latency: Supports computer control (mouse/keyboard).
- โ It works on USB and Wi-Fi.
- โ Screen recording during broadcast.
- โ Free version adds watermark.
Download: official website.
2. TeamViewer QuickSupport
Perfect for remote support, allowing not only the screen to be broadcasted, but also access to control of the device.
- โ No root rights.
- โ It works over the Internet (does not require a local network).
- โ Delay to 300 ms.
3. LocalCast (for Chromecast)
If you have a Google Chromecast or Android TV TV, This application will allow you to broadcast not only the screen, but also individual media files.
- โ Support for subtitles.
- โ Low delay (70-120 miss).
- โ Not all video formats are supported.
โ ๏ธ Note: When using third-party apps for broadcasting on PC, Redmi Note 8 may overheat due to high load on the processor.
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To reduce delay in games when broadcasting via ApowerMirror, reduce the resolution to 720p in the application settings and disable background synchronization.
How to reduce latency (lag) when broadcasting on Redmi Note 8
The main problem with wireless broadcasting is the delay between the action on the phone and the display on the screen. 8 typical latency 100-300 MS, but it can be shortened:
1. Optimization of smartphone settings
- ๐ถ Switch to 5GHz Wi-Fi (if it supports a router).
- ๐ Activate Performance Mode in Settings โ Battery โ Power regimen.
- ๐ซ Turn off Adaptive Brightness and Autoturn.
2. Router settings
- ๐ฏ In the router control panel, enable QoS (Quality of Service) and prioritize your Redmi Note 8 device.
- ๐ Switch Wi-Fi to a less busy channel (use the Wi-Fi Analyzer app).
- ๐ก Reduce the channel width to 20 MHz (increases stability).
3. Program tricks
- ๐ฅ๏ธ In broadcast applications (e.g. ApowerMirror) reduce bitrate to 5 Mbps.
- ๐ฎ For games, turn off vertical synchronization in graphics settings.
- ๐ Use an external microphone if you are broadcasting with sound โ the built-in one can create additional load.
Why is the delay higher when broadcasting games?
Common Problems and Their Solutions
Even with the right setup, Redmi Note 8 users are faced with typical errors.
| Problem. | Reason. | Decision |
|---|---|---|
| The device is not in place. | Wi-Fi Direct is disabled on the TV | Turn Screen Mirroring on the menu TV |
| Broadcast cuts off | Weak Wi-Fi signal | Move the router closer or use a repeater |
| No sound. | HDMI-CEC switched off | Activate Anynet+ (Samsung or Bravia Sync (Sony) |
| The screen flickers. | Disparity in refresh frequency | Install 60Hz on both devices |
| High latency in games | Background processes | Close all applications through the recent |
If the broadcast does not start at all:
- Check that the latest version is installed on the phone. MIUI (Update through Settings โ The phone. โ Updating the system).
- Reset network settings: Settings โ System system โ Reset โ Resetting Wi-Fi and Bluetooth settings.
- Install an alternative broadcast app (like Screen Stream Mirroring).
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If the transmission does not work after all the manipulations, the problem may be a hardware malfunction of the Wi-Fi module, in which case only the service center will help.
Broadcasting on PC: features for Windows and Mac
To display the Redmi Note 8 screen on your computer, you need special programs, and let's look at two reliable ways.
1. Through USB (most stable method)
We use scrcpy software, a free open source solution.
- Download scrcpy and unpack the archive.
- On your phone, turn on USB Debugging (Settings โ About Phone โ MIUI version โ press 7 times, then go back to Additional โ For Developers).
- Connect your phone to your PC via USB and select File Transfer mode.
- Run scrcpy.exe on your computer.
Advantages:
- โ Delay less than 50 ms.
- โ It works without the internet.
- โ Support for keyboard control.
2. via Wi-Fi (wireless method)
Same scrcpy, but no wires:
- Connect your phone to the PC by USB Start Scrpy at least once.
- Turn it off. USB, Make sure that both devices are on the same Wi-Fi network.
- In the command line (on PC) run: adb tcpip 5555 adb connect [IP-phone]:5555 (IP-address, see Settings โ The phone. โ Status).
- Launch scrcpy --bit-rate 2M reduce delay.
โ ๏ธ Note: When wirelessly connected via scrcpy, Redmi Note 8 may be disabled from broadcast when the screen is locked. To avoid this, turn off autolock in Settings โ Lock screen โ Sleeping mode. โ Never.
Comparison with other Xiaomi models: which is better for broadcasting?
The Redmi Note 8 is a reliable broadcasting device, but is inferior to the newer models in some respects.
| Model | Max. Broadcasting permission | Miracast support | Minimum delay | Features |
|---|---|---|---|---|
| Redmi Note 8 | 1080p | โ Yes. | 100 ms. | Support for Mi Share on MIUI 12.5+ |
| Redmi Note 10 Pro | 1080p | โ Yes. | 60 ms. | More stable connection thanks to Snapdragon 732G |
| Poco X3 Pro | 1080p | โ Yes. | 50 ms. | Best Optimization for Games |
| Mi 11 | 4K | โ Yes. | 40ms. | Support for Wi-Fi 6 for broadcasting |
If you need a broadcast for professional tasks (streaming, recording gameplay), it is worth considering models with Snapdragon. 8xx Or the latest MediaTek Dimensity chips. For everyday tasks, the Redmi Note 8 is quite enough.