Modern Xiaomi smartphones have powerful screens, but watching movies with the whole family or sharing photos often requires a larger screen. Fortunately, wireless technology makes it easy broadcast an image Without unnecessary wires. This is not only convenient, but also eliminates the need to search for HDMI cables, which may not be readily available.
Owners of devices based on MIUI or new HyperOS There are several proven methods for connecting to a TV. The specific method you choose depends on your TV model, operating system version, and available apps. In this article, we'll cover all the current options, from built-in features to third-party solutions.
Basic requirements and equipment preparation
Before you begin setting up, you need to make sure your infrastructure is ready for operation. The key to stable data transfer is that both devices are in the same network. local networkThis means that both the smartphone and the TV must be connected to the same router.
If you're using mobile data on your phone and your TV is connected to your home WiFi, streaming won't work. It's also worth checking the software version on both devices. Xiaomi the latest security patches are up to date, which often contain fixes for protocols Miracast And DLNA.
It's important to consider your network bandwidth. High-resolution video, such as 4K, requires a stable 5 GHz signal. The 2.4 GHz band may experience delays or reduced image quality under heavy air traffic.
⚠️ Attention: If your router broadcasts two networks (2.4 GHz and 5 GHz) with different names (SSIDs), make sure that both devices are connected to exactly one of them, even if they are within range of each other.
Check your smartphone's battery. Wireless video streaming consumes significant power. It's recommended to keep your device charged to more than 50% or connected to a power source while watching.
Using the built-in "Cast" feature in MIUI
The easiest and fastest way, which doesn't require installing any additional software, is the built-in utility from the shell developers. On smartphones Xiaomi, Redmi And POCO It is often called "Broadcast" or "Cast". This method is based on the protocol Miracast, which is supported by most modern Smart TVs.
To activate the feature, pull down the notification shade and find the "Broadcast" icon. If it's not on the main screen, tap the pencil or edit button to add the widget to active ones. Once activated, your phone will begin searching for available devices within range.
Select your TV from the list provided. A connection confirmation request may appear on the TV screen, which you'll need to accept with the remote. After that, the image on your phone's screen will be fully displayed. duplicated on a large display.
It's worth noting that when using this method, the phone's screen must be on. Turning off the smartphone's display will break the connection. Also, some copyright-protected (DRM) apps may display a black screen instead of video.
Streaming via the Google Home app (Chromecast)
If your TV has a built-in system Android TV or supports technology Chromecast, the most stable option is to use the Google ecosystem. To do this, you'll need to download the official app. Google Home from the Play Market store.
After installation and signing in to your Google account, the app will scan the network and find compatible devices. Click on your TV icon and then select "Cast Screen." This method provides lower latency and higher picture quality than standard Miracast.
- 📱 Open the Google Home app on your smartphone.
- 📺 Select your TV from the list of devices.
- ▶️ Tap "Cast Screen" and confirm.
- 🎬 Launch a video or game on your phone.
The unique feature of this method is that it allows you to stream content from individual apps, rather than the entire screen. For example, you can launch YouTube on your TV directly from the app on your phone, and your phone will act as a remote control without draining your battery on video rendering.
⚠️ Note: The Google Home app interface may be updated. If you don't see the cast button, check that Chromecast is enabled in your TV's settings menu. Settings → Applications → External Inputs.
Comparison of data transmission technologies
Understanding the differences between protocols will help you choose the optimal method for your specific needs. Each technology has its own advantages and limitations, which affect playback quality and ease of use.
Below is a table comparing the main features of popular connection methods available to users. Xiaomi.
| Technology | Connection type | Quality | Impact on battery |
|---|---|---|---|
| Miracast | Direct (P2P) | High (up to 1080p) | Average |
| Chromecast | Via a router | 4K HDR | Low (when streaming) |
| DLNA | Via a router | Depends on the file | Minimum |
| HDMI (cable) | Wired | Maximum | Charging is in progress |
Protocol DLNA It's often used to play a media library stored on a phone's memory without duplicating the interface. Miracast and Chromecast, on the other hand, are designed specifically for real-time video output.
Troubleshooting connection and latency issues
Despite the ease of setup, users may encounter technical difficulties. A common issue is audio and video desynchronization or intermittent image flickering. This usually indicates an unstable WiFi signal or insufficient computing resources.
Try closing background apps on your smartphone that may be consuming bandwidth or loading the processor. It's also a good idea to reboot your router, as running it for extended periods without restarting can cause the router's memory buffer to overflow.
☑️ Connection diagnostics
If you see artifacts on your screen, try lowering the output image resolution in your phone settings or in the settings of the specific streaming app. Sometimes, switching the WiFi channel in your router settings to a less congested one helps.
⚠️ Warning: Antivirus programs or firewalls installed on your router or phone may block ports required for the Miracast protocol. Try temporarily disabling them to check.
Alternative streaming apps
If standard methods don't work or the functionality isn't sufficient, it's worth turning to third-party developers. Google Play There are many utilities that can act as a bridge between your phone and TV.
A popular solution is the app Web Video CasterIt allows you to open video files or streaming video links in the app's built-in browser and send them to your TV. This is especially useful for older TVs that don't fully support modern codecs.
- 📥 Install the app on your phone and TV (if there is an app store).
- 🔗 Connect to the same WiFi network.
- 🎬 Open the video in the app and tap the Cast button.
- ✅ Select a device from the list.
Other programs such as LocalCast or BubbleUPnP, do an excellent job of playing local files. They support a wide range of formats and allow you to control playback from your phone, using it as an advanced remote control.
A secret for old TVs
If you have a "dumb" TV without Smart TV, you can buy a cheap Android box or set-top box with HDMI, connect it to WiFi, and stream images from your Xiaomi to it using any of the methods described.
Frequently Asked Questions (FAQ)
Why is the broadcast delayed?
Lag is often caused by slow WiFi or using the 2.4 GHz frequency. Lag can also be a software issue with the Miracast protocol. This method is not suitable for gaming; a cable is better.
Is it possible to stream video if the phone screen is off?
When using screen mirroring (Miracast), the screen should be lit. However, if you're using the Cast feature within apps (YouTube, Netflix), the phone can be locked or used for other tasks.
Do all Xiaomi TVs support casting?
Almost all modern models MI TV Chromecast and Miracast are supported natively. Older models may require an additional receiver.
How to improve picture quality during broadcasting?
Make sure your router supports the 802.11ac (WiFi 5) or ax (WiFi 6) standard and operates at 5 GHz. Move your phone and router closer together to strengthen the signal.