Modern Xiaomi smartphones have powerful screens and high-quality cameras, but for comfortable viewing of movies or family photos, the diagonal of the mobile device is often not enough. Owners of Samsung equipment can easily solve this problem, since the ecosystems of both brands interact perfectly with each other.
There are several proven synchronization methods, from Miracast and DLNA wireless protocols to physical cable connection, and the choice of the specific method depends on your TV model, the version of the MIUI or HyperOS operating system, and the quality of your home network. In this article, we will go through each option in detail so you can choose the most suitable one for your situation.
Before you start setting up, make sure both devices are on and ready to go. Often, connection problems arise from trivial bugs, such as different Wi-Fi networks or outdated software. We will help avoid common pitfalls and set up stable image transfer.
Preparation of devices and general requirements
The foundation of successful synchronization is the right hardware preparation. The first and most important condition is that both gadgets must be on the same local network. This means that your Xiaomi and Samsung Smart TV must be connected to the same router. If you have a dual-band router, it is advisable to use one frequency, for example, 5 GHz, to ensure high data speeds without delay.
Check the software's up-to-date on both devices. On your TV, go to Settings → Support → Software Update and run the check. On your Xiaomi smartphone, go to Settings → About phone and make sure the latest version of MIUI is installed. Updates often contain critical fixes for wireless protocols.
Also worth paying attention to the power saving settings: Aggressive battery optimization in the Xiaomi shell can block the background processes necessary for a stable connection, it is recommended to temporarily turn off the energy saving mode or add broadcast apps to the list of exceptions.
☑️ Preparation for connection
⚠️ Note: If your router divides the network into guest and main, make sure that both devices are connected to the main network, otherwise they will not “see” each other.
Broadcasting through the built-in Translation function (Miracast)
The fastest way to display a picture from Xiaomi’s screen on a Samsung TV is to use the native wireless display feature, which is based on the Miracast standard, which is supported by most modern Samsung TVs and Xiaomi smartphones.
On the TV remote, click the signal source selection button (Source or the arrow square icon) and select the option "Connect to mobile device" or "Screen Mirroring." The screen will show a message about readiness for connection. Now pick up your smartphone.
On Xiaomi, lower the notification curtain down and find the Translation icon (may be called Cast or Wireless Monitor). If the icon isn't there, add it via the shortcut editing menu in the upper right corner. Once activated, the phone will start searching for available devices.
When your Samsung TV comes up, tap the name of the TV. You can see a request for confirmation of connection on your TV screen -- you can agree, using a remote control. The image from your phone will instantly mirror on the big screen. The quality of the picture will depend on the power of the Wi-Fi signal.
Use of Samsung SmartThings App
Samsung’s official SmartThings app provides deeper control over the TV than standard broadcasting, allowing not only duplicate screens, but also the phone as a remote, transfer files, and manage media – a preferred method for owners of the Samsung ecosystem.
Download and install the SmartThings app from Google Play to your Xiaomi. Launch the program and log in to your Samsung Account (if not, you will need to register). The app will automatically scan the network and prompt you to add a new device. Click Add Device and follow the instructions on the screen.
Once you pair successfully, select your TV from the device list. In the bottom menu, look for the Mirror Screen button. The system will warn you that all notifications from your phone will be visible on the TV. Confirm the action and sync will begin.
The advantage of this method is that you can turn down the broadcast app and use other phone functions, although audio and video will be transmitted over TV. However, some content-protected applications (such as Netflix) can block streaming through this method due to the HDCP protocol.
What if SmartThings can’t see TV?
Watching videos via DLNA and YouTube
If your goal is not to duplicate the screen, namely viewing video files stored in Xiaomi memory, or running videos from YouTube, you should use the DLNA protocol. This method allows the TV to decode the video file on its own, unloading the phone's processor and saving its battery.
For local files (movies, photos), use the standard Xiaomi player or install VLC for Android. Open the video file, click on the icon "Translation" (rectangle with waves) and select your Samsung TV. TV will act as a renderer and begin playback.
For YouTube, the process is even easier: Open the YouTube app on your TV (it's built into the Smart Hub) and select Connect. On your phone, launch the YouTube app to make sure the accounts match, or click on the broadcast icon in the video corner. Select the TV from the list, and the video will run on the big screen, allowing you to use the phone for other tasks.
This is ideal for watching heavy 4K-And the content is as stable as possible, because the data flow goes directly from the router to the TV, bypassing the smartphone, and the playback is as stable as possible, and buffering is virtually impossible with good Internet.
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When you stream through DLNA, the default sound goes through the TV, and if you want to listen to audio through Bluetooth headphones connected to your phone, you can't do that with standard means -- it's duplicated or it's only coming from TV.
Wired connection via USB-C to HDMI
For users who are critically interested in image quality without compression and delay, or in the absence of stable Wi-Fi, there is a wired option. However, there is an important technical nuance: not all Xiaomi smartphones support video output via a USB-C port.
The technology is called MHL or DisplayPort Alt Mode. It is usually present in flagship models (Xiaomi Mi series, some Xiaomi 13/14 models, Black Shark). Budget models (Redmi series, entry-level Poco) most often do not have hardware support for the video output, and connecting the cable will not work.
If your phone supports video output, you will need an adapter. USB-C to HDMI. Connect the adapter to the phone and HDMI-Cable to TV. Switch the signal source to the TV port. HDMI. The image should appear automatically.
In some cases, you may need to activate USB debugging mode. Go to Settings → About Phone and quickly press 7 times on MIUI Version. Then, in the advanced settings, enable USB debugging. This will allow the system to correctly determine the external output device.
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Wired connectivity guarantees minimal latency (input lag), making it the only viable option for playing on a TV from a phone.
Solution: Why there is no image or sound
Even with the right setup, there can be failures. One of the common problems is desynchronizing audio and video or completely missing the image. If the screen is black but there is sound, try changing the output resolution. Go to Settings → Screen → Video quality (if available) or settings for a particular application.
If the connection is constantly broken, check the load on the Wi-Fi channel. downloading files on other devices or microwave operation can cause interference. Try to switch the router to a channel with a lower load or bring the devices closer to each other.
The table below shows common errors and ways to fix them:
| Problem. | Possible cause | Decision |
|---|---|---|
| Phone can't see TV | Different Wi-Fi networks | Check the network name on both devices |
| Slow down video | Weak Wi-Fi signal | Get closer to the router or reduce the quality to 1080p |
| No sound. | DRM lockdown | Use a wired connection or SmartThings app |
| Black screen with wired | No MHL support | Check the specifications of the phone model, use the wireless method |
⚠️ Note: When using cheap HDMI-If you have an adapter, you can flicker or disappear. Use only certified cables and active-powered adapters.
Third-party applications for enhanced capabilities
If standard tools don’t suit you, Google Play offers a variety of alternatives: apps like Web Video Caster or LocalCast allow you to stream content from browsers or file managers, supporting subtitles and audio track selection.
For gamers whose phones don’t support video output, there are applications that use real-time image compression technology, such as Steam Link or Moonlight (for NVIDIA graphics card owners), which allow you to stream a picture with minimal latency, although the quality can be inferior to a wired connection.
When installing third-party software, read permissions carefully. Some applications may request access to contacts or microphones that are not required to stream videos.
Remember that using heavy-duty broadcast apps can significantly heat up your Xiaomi smartphone.Watch the temperature of the device, especially when watching high-resolution movies for long periods.