Modern smartphones of the series Xiaomi Redmi Note Mobile phones have high-resolution screens that are ideal for viewing multimedia. However, the screen size of a mobile device is often too small for comfortable viewing of movies or family photos. Fortunately, wireless data transfer technologies allow you to instantly display images on a large TV screen without the need for cables.
In this article we will examine in detail all the available methods. video broadcasts from your gadget to your TV via a local network WiFiWe will consider how the standard functions of the system MIUI, as well as third-party solutions for different types of TV operating systems.
Before you begin setup, you need to make sure both devices—your smartphone and TV—are connected to the same wireless network. This is a basic requirement for most data transfer protocols, such as Miracast And DLNAIf your router broadcasts on both 2.4 GHz and 5 GHz frequencies, make sure both devices are in the same band for best stability.
Preparing equipment and network
The first step is to check the compatibility of your equipment. Almost all modern TVs released after 2015 support the technology. Smart TV, which allows them to receive a video stream directly. Owners of older models will need to purchase a special HDMI adapter or a media set-top box running on the base Android TV.
The quality of the transmitted image directly depends on the speed and stability of your router. To transmit video in the following resolution: 1080p or 4K It is recommended to use a standard network 802.11ac (WiFi 5) or newer. Congestion from neighboring networks can cause lag or artifacts on the screen.
⚠️ Important: If your router is distributing a guest network with AP Isolation enabled, devices will not be able to see each other. Make sure your router settings allow communication between connected devices.
It's also worth updating your phone's software. In the menu Settings → About phone check for new versions MIUIManufacturers frequently release patches that improve the stability of wireless modules and protocols. Cast.
☑️ Check before connection
Using the built-in "Broadcast" function (Miracast)
The fastest way that doesn't require installing additional software is to use the built-in protocol. MiracastIn the shell Xiaomi MIUI This feature is called "Broadcast" or "Wireless Display." It allows you to mirror your smartphone's screen completely to your TV in real time.
To activate, pull down the notification shade and find the "Cast" icon. If it's not on the main widget screen, tap the pencil or three dots to edit the menu and add this button. You'll need to launch the app on your TV. Screen Mirroring, Miracast or Anyview Cast, depending on the brand of your Smart TV.
Once the search is enabled, your phone will begin scanning for available devices. Once your TV's name appears in the list, tap it. Image from phone Redmi Note will instantly appear on the big screen. This method is ideal for demonstrating presentations or games, as the delay is minimal.
It is worth considering that when using Miracast The phone's screen must be on. If you lock your smartphone or the screen goes dark, the broadcast will be interrupted. This distinguishes this method from media streaming, where the phone can be used as a remote control.
Why might the broadcast be interrupted?
If an incoming call or system notification is received on your phone while streaming, it will also appear on the TV screen. Furthermore, running heavy apps can cause a drop in FPS due to the strain on the WiFi module.
Streaming via Google Home (Chromecast built-in)
If your TV is based on Android TV or has built-in support Chromecast, the most convenient way will be to use the application Google HomeThis method provides a more stable connection and allows you to control playback from your phone, using it as a remote control.
Download the app Google Home from the store Play Market, if it's not already installed. Open it and wait until your TV appears in the list of devices. Click the TV icon, then select the button Broadcast your screen (Cast my screen).
The system will warn you that all actions on your phone screen will be visible on your TV. Confirm the action, and the broadcast will begin. Unlike Miracast, it uses a more advanced compression codec, which can improve picture quality in weak signal conditions.
The advantage of this method is the ability to switch between apps on your phone without interrupting the video. You can access the menu, reply to a message, or check email while a movie or slideshow continues playing on your TV.
Streaming videos via YouTube and streaming services
The most popular usage scenario is watching videos from online cinemas or video hosting sites. Applications YouTube, Netflix, Ivi and others support the technology DIAL, which allows the phone to act as a remote control.
To share a video, open an app on your phone (like YouTube) and tap the icon Broadcast (a rectangle with waves in the corner) located at the top of the interface. Select your TV from the list. The video will begin playing on the TV, and the phone will display the control panel.
The main advantage of this method is that the phone doesn't encode the video stream itself. It only sends a command to the TV telling it where and from where to download the video. This means the quality will be maximum (up to 4K HDR), and the phone's battery will be consumed minimally.
It's important that your phone and TV app accounts are synced or at least have access to the same network. Some services may require authorization on both devices to start streaming.
Comparison of connection methods
The optimal method depends on your goals: whether you need to mirror the entire screen or just play a video. Below is a table to help you choose the best method for different use cases.
| Method | Quality | Delay | Work in the background |
|---|---|---|---|
| Miracast (Broadcast) | Depends on the signal | Low | No (screen active) |
| Google Home | High | Average | Yes |
| YouTube (Cast) | Maximum | Minimum | Yes |
| DLNA (Mi Video) | High | No (the file is buffered) | Yes |
As you can see from the table, built-in application functions are best for watching movies, and the protocol is best for games or work. MiracastIf you just need to display photos from your gallery, it's best to use the built-in player. Mi Video with DLNA support.
Using third-party apps and DLNA
When standard tools don't work or their functionality isn't sufficient, third-party solutions come to the rescue. In the ecosystem Xiaomi pre-installed player Mi Video, who is excellent at working with the protocol DLNAIt allows you to find media files on your phone and send them to your TV.
Open a video file in your gallery or player, click the "More" button or the throw icon, and select your TV. The file will begin buffering and playing on the big screen. This method is advantageous because it doesn't require the phone to constantly encode the stream.
Also popular are apps like BubbleUPnP or AllConnectThey offer advanced settings for codecs, subtitles, and audio tracks. This is especially useful if you store a collection of high-quality movies on your internal storage. Redmi Note.
⚠️ Note: App and TV interfaces are subject to update. The location of the casting buttons is sometimes changed by service developers. If you don't see a familiar button, check the "Settings" section within the player app.
What should I do if my phone can't see my TV via DLNA?
Often, the problem lies with your antivirus or router firewall blocking ports. Try temporarily disabling the protection or checking your DMZ settings, although this is rarely necessary for a home network.
Solving common problems
Despite the technology's simplicity, users often encounter difficulties. One of the most common issues is audio and video desynchronization. This is usually resolved by rebooting the router or switching the phone to a different Wi-Fi frequency.
If the image is choppy or has low resolution, check the distance to the router. Walls and appliances can cause interference. Move closer to the access point or use WiFi repeater to boost the signal in the room with the TV.
In some cases, resetting the network settings on your phone can help. Go to Settings → Connection and Sharing → Reset WiFi, Mobile Networks, and BluetoothThis will delete saved passwords, but often solves problems with wireless module drivers.
If nothing helps, try using alternative methods, such as a cable connection via an adapter. USB-C to HDMI, if your model Redmi Note supports video output. However, for most tasks, wireless methods Cast And Miracast fully cover the needs of users.
Why doesn't my Xiaomi phone see the TV in the list of devices?
Most often, the devices are on different networks (for example, one on a guest network, the other on the main network). Also, make sure the TV is running the signal-receiving app (Screen Mirroring), and not just the TV on. Sometimes, restarting both devices helps.
Is it possible to stream video with the screen locked?
When using Miracast (screen mirroring), no, the screen should be lit. When using the "Cast" feature within apps (YouTube, Netflix) or via DLNA, yes, the phone may be blocked, as the stream is coming directly from the server or buffer.
Does video streaming affect internet speed?
Yes, especially when using the DLNA or Chromecast protocol, when the TV downloads content via the router. If you're watching 4K video on your TV while someone else is downloading files to their PC, you may experience some lag.
Is internet required for Miracast to work?
No, Miracast (Wireless Display) doesn't require internet access. It creates a direct WiFi connection between your phone and TV (WiFi Direct). However, playing online videos (like YouTube) does require internet access.