In the digital age, mobile phones have become the central storage for multimedia content, but smartphone screens are often too small to comfortably watch movies or share photos with a large group. Xiaomi and Redmi ecosystem users often wonder how to most effectively sync their devices with Samsung's large display, renowned for its advanced display technology. Fortunately, modern wireless standards make this possible without the need for unnecessary cables and adapters, ensuring high-quality image transmission.
The connection process may vary depending on the operating system version. MIUI or new HyperOS, as well as the year of manufacture of the Samsung TV. In this article, we'll cover all current streaming methods, from built-in system functions to third-party apps that guarantee a stable connection. You'll learn how to set up Miracast, use the protocol Google Cast and what to do if devices don't see each other on the shared network.
The main advantage of the wireless method is freedom: you can answer calls or read messages without interrupting video playback on the big screen. However, for the project to be successful, both devices must be on the same local network and have the appropriate communication modules enabled. Below, we'll cover each step in detail to avoid any technical errors during setup.
Preparing devices and checking the network
The first and most critical step is to ensure the correct network environment, as the video stream is transmitted over the local network. Make sure that your Redmi and TV Samsung connected to the same router. If you have a dual-band router, it's better to use the network 5 GHz, as it provides the higher bandwidth needed to transmit 4K or Full HD video without lag.
⚠️ Note: If your router is broadcasting two networks with the same name (2.4 GHz and 5 GHz), but the devices "don't see" each other, try temporarily forcing your phone to switch to the same frequency as your TV using the Wi-Fi settings.
On your Samsung TV, you need to activate the external signal reception mode. This feature may have different names depending on the model and year. Typically, simply turn on the TV, go to the signal sources menu, and select Connecting to a mobile device or Screen MirroringOn newer models with the system Tizen This mode is often enabled by default and waiting for a connection.
Also, make sure that "Data Saver" or "Metered Connection" mode isn't enabled on your Redmi smartphone, as this can block local device detection. Open Wi-Fi settings, tap the gear icon next to your network, and ensure the network type is set to "Private" or "Trusted," not "Public."
- 📡 Make sure both devices are connected to the same Wi-Fi network (same SSID).
- 📺 On your Samsung TV, go to the menu and make sure Screen Mirroring is active.
- 📱 On Redmi, make sure Bluetooth and location are enabled to better locate devices.
- ⚡ Disable power saving mode on your phone during setup.
Broadcasting via Xiaomi's built-in Mi Cast function
The easiest and most native way to cast an image is to use the built-in system utility, which in the MIUI shell is called "Mi Cast." This method is based on the standard Miracast, which is supported by most modern Samsung TVs without the need to install additional software.
To get started, pull down the notification shade on your Redmi and find the "Cast" icon. If it's not on the main control panel screen, tap the edit button (usually a pencil icon or three dots) and add the "Cast" widget to the active list. Once activated, your phone will begin searching for available devices within range.
Settings → Connections and Sharing → BroadcastWhen the list of available devices appears on the screen, select your Samsung TV. A connection confirmation prompt may appear on the TV screen; accept it using the remote control. After this, the image from your smartphone screen will be fully mirrored on the larger panel. If the image quality is poor, check the resolution settings in the casting menu.
☑️ Pre-broadcast check
It's important to note that when using Miracast, your phone's screen may turn off to save power, but the stream will continue. However, in some apps with protected content (such as Netflix or Kinopoisk), the screen may turn black due to the protection. HDCPIn such cases, it's better to use the built-in Cast function within the app itself.
Using Smart View on your Samsung TV
An alternative approach is to initiate the connection from the TV. Samsung remotes often have a dedicated button for accessing the Smart Hub menu or signal sources. Find the app in the TV menu. Screen Mirroring or Smart View, which puts the TV into visibility mode for external devices.
After activating standby mode on your TV, pick up your Redmi and start searching for devices again through the "Cast" menu. The TV should detect it as [TV] Samsung Series X or a similar name. When you first connect, the system may ask for permission to access media files—confirm this.
| Parameter | Description | Recommended value |
|---|---|---|
| Protocol | Data transmission technology | Miracast / Wi-Fi Direct |
| Permission | Output image quality | 1920x1080 (Full HD) |
| Frame rate | Smoothness of image movement | 60 Hz (with support) |
| Delay | Response time (lag) | Minimum (< 100 ms) |
If the picture on your TV does not stretch to fill the entire screen or has black borders, use the zoom button on your Samsung remote (often called Picture Size or P.Size) and select the "Fit to screen" or "16:9" mode. This will eliminate aspect ratio distortion.
Broadcast via the Google Home app
For users who prefer the Google ecosystem or are unable to set up Xiaomi's native streaming, the official app is a great solution. Google HomeIt allows you to control smart home devices and stream content via the protocol. Chromecast built-in, which is supported by modern Samsung TVs.
Download and install the Google Home app from the Play Store. After logging in to your Google account, the app will automatically scan the network and find your Samsung TV. Tap the TV icon in the list of devices, then select the button. Broadcast your screen (Cast my screen).
This method is particularly advantageous because it's more stable when working with YouTube and Google Photos. It also allows you to use your phone as a remote control. However, it's important to note that Google Home places additional strain on your smartphone's processor, which can lead to faster battery drain.
- 🏠 Open the Google Home app on your Redmi.
- 📺 Select your Samsung TV from the list of devices.
- ▶️ Click "Cast Screen" and confirm the action.
- 🔊 The sound will also be transmitted through the TV speakers.
⚠️ Important: When using Google Home, ensure your TV has all the latest Tizen system updates. Older firmware versions may not work correctly with newer versions of the Google Home app.
Solution and connection problems
Despite the ease of setup, users may encounter a number of technical difficulties. The most common issue is an unstable connection, with choppy video or missing audio. This almost always indicates a weak Wi-Fi signal or channel congestion due to interference from neighboring routers.
If the connection drops constantly, try changing your router's broadcast channel. Go to your router settings (usually at 192.168.0.1 or 192.168.1.1) and in the Wireless Settings section, change the channel from "Auto" to a fixed channel (e.g., 1, 6, or 11 for 2.4 GHz). For 5 GHz, select higher channels (36 to 48) if they are available.
Another common situation is when the phone detects the TV, but when connecting, it displays the error "Unable to connect." In this case, resetting the network settings on the TV will help. Go to Settings → Support → Self-diagnosis → Reset Smart HubThis will not remove your apps, but it will update your network configurations.
Frequently Asked Questions (FAQ)
Is it possible to connect Redmi to Samsung without a Wi-Fi router?
Yes, this is possible using Wi-Fi Direct technology. In this mode, the TV creates its own access point, which the phone connects to. However, functionality may be limited, and the phone's internet connection will not work at this time.
Why is there no sound when broadcasting video?
Check that your phone isn't set to "Silent" or "Vibrate." Also, in the casting settings (in the pop-up menu when connected), make sure audio output is selected for the TV, not the mobile device.
Does screencasting affect image quality in games?
Yes, wireless image transmission always introduces a small amount of input lag. For strategy or turn-based games, this isn't critical, but for fast-paced shooters or racing games, a lag of 100-200 ms can be noticeable.
Do older Samsung TVs support Redmi TV streaming?
Older models (produced before 2015) may not have built-in Miracast or Smart View support. In this case, you'll need to purchase an external adapter, such as a Google Chromecast or a Miracast dongle, which plugs into your TV's HDMI port.