Modern smartphones, such as the popular Samsung Galaxy A51TVs have high-quality screens, but a 6.4-inch diagonal is often insufficient for watching movies with family or friends. People want to transfer the image to a larger screen while maintaining high resolution and ease of use. Fortunately, wireless technologies make this possible without unnecessary wires and complex manipulations, using only a home network. Wi-Fi.
In this article, we'll take a detailed look at all the current methods for connecting the Samsung A51 to a TV for watching movies via Wi-Fi. You'll also learn about the built-in features of the app. One UI, third-party applications, and any nuances that may arise during setup. Proper network configuration will ensure stable video streaming without lag or artifacts.
First of all, make sure your TV supports the technology Smart TV and has internet access. Most modern models from Samsung, LG, Sony, and other manufacturers are equipped with Wi-Fi modules, making them compatible with Android smartphones. The setup process takes just a few minutes if you know where the right switches are.
Preparing equipment and network
The foundation of a successful broadcast is a stable connection. The most important rule: your Samsung A51 and the TV must be connected to the same network Wi-FiIf a router broadcasts on both 2.4 GHz and 5 GHz frequencies, it's best for both devices to be in the same band, although modern routers often group them under a single name.
⚠️ Note: If your router separates networks into "Guest" and "Main" networks, connect both devices to one of them. Isolating clients on guest networks can prevent devices from discovering each other.
Check the software version on your phone. For the broadcast functions to work correctly, the system Android It should be updated to the latest version. Go to Settings, select "Software Update," and click "Download and Install." This will eliminate errors related to outdated wireless drivers.
It's also worth paying attention to the battery charge. Streaming high-definition video via Wi-Fi Direct The standard protocol can significantly drain battery power. It's recommended to charge your phone or ensure the battery level is above 30-40% before starting extended viewing.
☑️ Checking connection readiness
Using the Smart View feature
For smartphone owners Samsung luckier than users of other brands thanks to the feature Smart ViewIt is built directly into the shell. One UI and doesn't require any additional apps. This is the most native and optimized way to display images.
To launch, swipe down from the top of the Quick Settings panel. Look for the icon labeled "Smart View" (it may look like a screen with a play triangle). If the icon isn't on the first page, swipe the panel sideways or tap the three dots to edit the menu. Once activated, your phone will begin searching for available devices on the network.
Select your TV from the list that appears. You may see a request to allow the connection on the TV screen—confirm it with the remote. After that, the image on the screen will appear. Samsung A51 The video will be fully copied to the big screen. You can minimize apps, and the video will continue playing.
What should I do if Smart View doesn't see my TV?
Smart View uses the DLNA and Miracast protocols. Make sure Screen Mirroring or AnyCast (the name varies depending on the TV brand) is enabled on your TV. On some LG models, you'll need to launch the "Screen Share" app first, while on Sony models, you'll need to launch "Screen Mirroring." Without active search mode on the TV, your phone may not detect the device.
It is important to note that when using Smart View The phone may become warm. This is normal when the Wi-Fi module and processor are active. If the temperature becomes excessive, the system will automatically reduce brightness or stream quality to protect the device.
Streaming via Google Home and Chromecast
If the built-in function does not work for some reason or your TV is based on the platform Android TV, an excellent solution would be an application Google HomeIt is Google's official smart home control tool and supports Chromecast built-in technology.
Download the app from the store Google Play, if it's not already installed. Open it and find your TV's icon in the list of devices. Click it, then select the "Cast my screen" button. Confirm the action, and the display content will appear. Samsung A51 will appear on TV.
The advantage of this method is its high stability and support for a wide range of formats. Furthermore, Google Home can control not only the streaming service but also other smart devices in the home. This makes it a universal solution for the Android ecosystem.
It is worth mentioning that the image quality when using Chromecast Often higher than with standard dubbing, since the stream can be encoded adaptively depending on the network speed. However, input lag can be slightly higher, making this method less suitable for gaming than for watching videos.
Watching videos via DLNA and media servers
There's a more elegant way to watch movies that doesn't mirror your phone's screen, but sends only the video stream to your TV. This technology DLNAIn this case, the phone acts as a remote control, and the TV decodes the video file automatically, saving the smartphone's battery.
To implement this method, you will need a media player application that supports DLNA, such as VLC for Android or BubbleUPnPOpen a video file in the app, tap the "Cast" button (the screen icon with waves), and select your TV. The file will start playing on the big screen, and you can minimize the app or even lock your phone.
This approach is ideal for viewing local files stored in memory. Samsung A51It provides the best image quality because it doesn't rely on the phone's processor to render images, but rather on the TV's power.
However, there's a catch: not all video file formats are supported by TVs. If the TV can't decode a specific codec (for example, HEVC or certain MKV variations), playback won't start. In such cases, you'll have to resort to screen mirroring.
| Method | Battery load | Picture quality | Multitasking capability |
|---|---|---|---|
| Smart View | High | Depends on Wi-Fi | Yes (picture in picture) |
| Google Home | Average | High | Yes |
| DLNA (VLC) | Low | Maximum | Yes (complete freedom) |
| Cable (USB-C) | Charger | No losses | Yes |
Setting up display and sound options
After successful connection Samsung A51 When connecting to a TV, it's important to configure the output settings correctly to ensure the content displays correctly. Often, the aspect ratio of a phone (usually 20:9) doesn't match that of a TV (16:9), resulting in black bars on the sides.
In the Smart View settings or in the TV menu itself (button P.SIZE or Aspect Ratio You can change the scaling mode using the remote control. Select "Original" or "Fit to Screen" to remove image stretching. This is the best option for movies with black borders.
Audio deserves special attention. By default, audio is streamed along with video. However, if you want to use your phone as a remote control and stream audio through external speakers or headphones connected to the TV, make sure the correct profile is selected in the Bluetooth or audio output settings.
If the audio lags behind the video (desync), try finding "Audio Delay" or "Lip Sync" in your TV settings and adjusting it. Switching the audio codec in the player app from surround to stereo may also help if your TV can't handle surround sound.
Network Solution and Optimization
Even with perfect theory, problems can arise in practice: image stuttering, connection drops, or devices refusing to recognize each other. Most often, the cause lies in channel congestion. Wi-Fi or weak signal.
If you're experiencing buffering, move closer to your router. Walls and appliances can block the signal. Also, try rebooting your router—this is a classic but effective tip that clears the network hardware cache and assigns new IP addresses.
⚠️ Note: TV and smartphone interfaces are updated regularly. The layout of menu items may vary depending on the firmware version. Tizen, WebOS or Android TVIf you don't find the function described, use the search in your device settings.
In some cases, antivirus software or router firewalls may block connections between devices on the local network. Check your router's security settings and ensure that AP Isolation is disabled.
Alternative streaming apps
In addition to system tools, there are many third-party applications that can offer advanced functionality. For example, the application Web Video Caster Allows you to stream video directly from your browser to your TV, eliminating the need to download a file.
Another popular option is - LocalCastThis powerful tool can stream not only videos but also photos and music. It supports subtitles and has a user-friendly interface for managing the playback queue.
Using specialized apps often gives you more control over the process. You can adjust the bitrate, select the audio track, and manage subtitles more flexibly than the standard interface allows. Samsung A51.
Keep in mind that free versions of these apps may contain ads. For regular use, consider purchasing the premium version, which unlocks additional codecs and removes ads.
Why doesn't the TV detect the Samsung A51 phone?
Most often, the problem is that the devices are connected to different networks (for example, one to a guest Wi-Fi network and the other to the main network). Also, check if power saving mode is enabled on your phone, which could limit Wi-Fi activity in the background.
Can you play games on TV via Wi-Fi?
Technically, it's possible, but input lag will make it uncomfortable for fast-paced shooters or racing games. For turn-based strategy or card games, this method is perfectly adequate. For gaming, it's better to use a wired connection or stream from a PC.
Does connecting to a TV affect the quality of YouTube videos?
No, when you use the "Cast" button in the YouTube app, the video is downloaded directly from Google servers by the TV. The phone only controls playback. The quality will depend solely on the internet speed available to the TV.
How do I turn off the broadcast?
The easiest way is to tap the casting icon in your phone's notification or in the app and select "Disconnect." You can also turn off your TV—the connection will be disconnected automatically. In the Google Home app, tap "Stop Casting."