Modern smartphones such as Redmi Note 7Mobile phones have become powerful multimedia centers, allowing not only for communication but also for watching high-definition movies. However, mobile device screens are often too small for comfortable viewing with family or friends. Fortunately, technology allows you to instantly stream content from your phone to a large TV screen without the need for unnecessary wires.
For owners Xiaomi This process is made as simple as possible thanks to the built-in shell functions. MIUIYou don't need to buy expensive HDMI cables or special adapters if your TV supports wireless protocols. As long as both devices are on the same local network, you can share photos, play videos from your gallery, or even play mobile games on the big display.
In this article, we will examine in detail all the available connection methods. Redmi Note 7 with a TV. We'll cover the system's built-in tools, third-party apps, and potential setup issues. Proper network configuration will ensure stable data transmission without lag or image artifacts.
Preparing the equipment and WiFi network
Before you begin setup, you need to make sure your infrastructure is ready to handle heavy video streaming. Wireless connection requires a stable signal, so it's crucial that both your smartphone and TV are connected to the same access point. If you have a dual-band router, it's better to use the network. 5 GHz, as it provides higher throughput.
Please pay attention to the software version of your Redmi Note 7. Outdated versions MIUI may contain errors in the module's operation Miracast, which is responsible for wireless screen sharing. Check for updates in the system settings to rule out software conflicts.
⚠️ Warning: If your router distributes two networks with the same name (2.4 GHz and 5 GHz), make sure that your phone does not switch between them during operation, as this may break the connection with the TV.
It is also worth checking if the function is enabled WiFi Display or Screen Mirroring In the TV settings itself. This option may have different names on different models: Samsung calls it Smart View, LG — Screen Share, and Sony uses the term "mirroring." Without active standby mode on the TV side, the phone may simply "not see" the target device.
☑️ Checking connection readiness
Using the built-in "Cast" feature in MIUI
The easiest and fastest way, which does not require installing additional software, is to use a system utility. BroadcastIn the shell MIUI from Xiaomi This tool is deeply integrated into the system, guaranteeing better optimization and minimal image latency. To launch, open the Curtain control panel and find the icon labeled "Broadcast" or "Cast."
If the icon is not in quick access, go to the menu Settings → Connection and Sharing → BroadcastThe system will automatically search for available devices on the local network. When the list appears on the screen, select your TV. The TV display may prompt you to allow the connection, which you must confirm with the remote.
Once paired successfully, your smartphone's screen will be mirrored on the TV. This means any notifications, incoming calls, or messages will be visible to everyone in the room. This is ideal for gaming and watching videos, as it supports high-definition audio and video.
- 📱 Open "Settings" and find the "Connection and Sharing" section.
- 📡 Click on "Broadcast" and wait for the list of devices to appear.
- 📺 Select your TV from the list of available gadgets.
- 🔒 Confirm the connection on the TV screen if prompted.
⚠️ Important: When using the "Cast" feature, the smartphone screen must remain on. If the lock timeout is triggered, image transmission may be interrupted, unless otherwise specified in the settings.
Streaming content through the YouTube and Netflix apps
If your goal is to watch videos only and not to duplicate the entire screen, then using the protocol DLNA or built-in app features will be much more effective. Services like YouTube And Netflix use technology Chromecast built-in, which allows the phone to act as a remote control while the TV downloads a video stream directly from the Internet.
This solution has two key advantages: it significantly saves battery power Redmi Note 7 and reduces processor load since the phone doesn't encode the video signal in real time. Furthermore, picture quality is often higher since the TV buffers the stream itself, minimizing stuttering.
To start, find the streaming icon on your smartphone screen (the rectangle with WiFi waves in the corner). Tap it and select your TV. It's important that your accounts in the app on your phone and Smart TV are authorized, although this isn't a requirement for all services.
Why might video lag during broadcasting?
If YouTube videos are lagging, the problem is most often not with your phone, but with the internet speed your TV is receiving. Try lowering the video quality in the player settings on your TV or moving your router closer to the receiver.
It's worth noting that this method only works within specific applications. You won't be able to display the game interface or browser on the big screen this way if it doesn't support casting standards. However, for the media library, it the most energy efficient way content consumption.
Using the Google Home app for advanced users
Owners Redmi Note 7 with installed services Google can use the official app Google HomeThis is a universal tool that allows you to control your smart home and broadcast your screen to devices that support it. ChromecastEven if your TV doesn't have a built-in Chromecast, but you do have a set-top box or dongle, this method will work flawlessly.
Launch the app and find your TV's card. In the control menu, select "Cast Screen." Unlike standard Mikasta, this one uses a more stable transmission protocol that better handles network quality fluctuations on the fly.
The app also allows you to broadcast browser tabs ChromeOnce you've opened a webpage, click the three-dot menu and select "Cast." This is useful for showing presentations or viewing web content that isn't adapted for TV interfaces.
| Method | Latency | Battery consumption | Quality |
|---|---|---|---|
| Broadcast (Miracast) | Low | High | Depends on the signal |
| YouTube / DLNA | Absent | Short | Maximum |
| Google Home | Average | Average | Stable |
| Third-party applications | High | Average | Compressed |
Alternative apps for screen casting
In cases where regular means Xiaomi If they can't cope or the TV is an older generation, third-party solutions from the store come to the rescue Google Play. Application AirScreen or TV Cast can work wonders by installing the necessary drivers and protocols directly onto your smartphone.
The unique feature of such programs is that they can often encode video streams into more compatible formats. This allows you to connect even to TVs that don't formally support them. Miracast, but they have an open port for receiving data. However, it's worth keeping in mind that free versions often contain ads.
When choosing alternative software, pay attention to ratings and number of installations. Popular apps like Web Video Caster They do an excellent job of streaming video files from your phone's memory, converting them on the fly into a stream that's understandable to your TV.
- 📥 Download the verified casting app from the official store.
- 🔍 Run a network scan to find compatible receivers.
- ⚙️ In the application settings, select the desired output resolution.
- ▶️ Run a test video to check the connection stability.
⚠️ Warning: Third-party apps may request extensive permissions to access your data and files. Use only trusted software with a good reputation to avoid personal information leaks.
Solving common problems and delays
Despite the convenience of wireless technology, users Redmi Note 7 may experience audio and video desynchronization. This is often due to overload. WiFi channel neighboring routers. In this case, it is recommended to manually change the broadcast channel in the router settings to a less congested one.
Another common issue is low image resolution. The system may automatically reduce quality if the signal weakens. Try moving closer to the router or removing physical obstacles between the phone and the access point. Metal structures and mirrors strongly reflect the 5 GHz signal.
If the image is flickering, close background applications on your smartphone. Redmi Note 7 It has sufficient power, but heavy background tasks can take up resources needed for encoding a video stream in real time.
Why doesn't the TV detect the Redmi Note 7?
Most often, the problem is that the devices are on different subnets (for example, a guest WiFi network) or that AP client isolation is enabled on the router. Also, check if your phone's antivirus software is blocking local connections.
Is it possible to play games without lag?
For fast-paced shooters, a wireless connection can introduce noticeable input lag. For a comfortable gaming experience, it's better to use a wired connection or streaming services optimized for gaming, but even these don't guarantee perfect WiFi performance.
Does connecting to a TV affect internet speed?
Yes, when streaming online video via DLNA/Chromecast, the traffic goes directly to the TV, saving your phone, but it completely overloads the WiFi channel. If you use Miracast, your phone encodes the stream, which also puts a strain on the network.
Does the broadcast work without the Internet?
Yes, Miracast and WiFi Direct work locally. Internet access is not required for image transmission; the router simply creates a local network, even without access to the World Wide Web.