Modern Smart TV While a regular TV has transformed it into a multimedia center, built-in browsers and apps aren't always convenient for long-term viewing. It's much more enjoyable and familiar to scroll through your feed, search for movies or TV shows on your smartphone screen, and then transfer the image to a larger screen with a single tap. Wireless data transfer technology eliminates unnecessary cables and allows you to enjoy high-definition movies using only your home network.
For equipment owners LG Electronics This process is simplified as much as possible thanks to the implementation of standards DLNA And Miracast Directly into the webOS operating system. You don't need to buy additional set-top boxes or complicated adapters if your router and TV support 802.11n or later. The main thing is to understand which streaming method is best for your situation: screen mirroring or file streaming.
In this article, we will take a detailed look at all the available methods for connecting a mobile device to a TV. LGWe'll cover built-in features, third-party apps, and potential connection issues users may encounter. Stable 4K video transmission is only possible when using a router operating in the 5 GHz range. Let's set up your home theater right now.
Preparing equipment and a Wi-Fi network
Before you begin configuring the software, you need to ensure that the physical data transfer network is properly configured. Your wireless router is the foundation of the entire system. For the function to work correctly, Screen Share or Smart View It is critical that both devices – the smartphone and the TV – are connected to the same local network.
A common mistake users make is connecting devices to different frequency bands (for example, a phone to 5 GHz and a TV to 2.4 GHz), when the router separates them into different subnets. Ideally, use a dual-band router and connect both devices to the network. 5 GHz to ensure high bandwidth. This is especially important if you plan to stream large files or high-bitrate videos.
It's also worth checking that your TV software is up to date. LG Go to the settings menu and find the section Settings → All settings → Support → Software updateMake sure you have the latest firmware version installed, as manufacturers frequently release patches to fix vulnerabilities in media transfer protocols.
⚠️ Caution: If your router has a "Guest Network" feature, do not connect devices to it for streaming. Isolating clients in Guest mode may prevent data exchange between the phone and TV, even if they see each other in the list of available networks.
- 📱 Make sure your smartphone's Wi-Fi module is turned on and active.
- 📺 Check that the TV LG connected to the same access point.
- 🔒 Make sure that AP (Client Isolation) is not enabled on your router.
- 📶 The Wi-Fi signal must be stable, preferably at least two bars on both devices.
After completing these basic checks, you can proceed to pairing the devices. If the network is configured correctly, the discovery process will only take a few seconds.
Broadcast via the built-in Screen Share feature
The easiest and most native way to display an image is to use technology Miracast, which is on TV LG Implemented under the name Screen Share, this method allows you to mirror your smartphone's entire screen to your TV, making it ideal for viewing photos and videos from your gallery or demonstrating app interfaces.
To get started, press the source selection button (usually labeled as) on your TV remote control. Input or the house icon) and select the application Screen ShareA list of pending connections will appear on the screen. Now take your smartphone. If you have a device based on Android, pull down the notification shade and look for the Cast, Smart View, or Wireless Monitor feature.
Once the search starts, your phone will detect your TV. LG in the list of available devices. Click the model name, and a connection confirmation message may appear on the TV screen. Use the remote control to select "Accept" or "Confirm." The image from your phone will then appear on the big screen.
It is worth noting that when using Miracast, the smartphone screen must remain on. Permission The transmitted image will be adapted to the capabilities of the TV, but may be limited by DRM protection on some streaming platforms (instead of the film, you will see a black screen).
- 📲 On iPhone, use the Screen Mirroring feature in Control Center.
- 📺 On your LG remote, press the "My apps" button and select Screen Share.
- 🔗 Devices must be in direct line of sight for a stable signal.
- 🔊 Sound is also transmitted wirelessly, with minimal latency.
Using the LG TV Plus app
For a deeper interaction with your TV LG The company developed an official application LG TV PlusIt is available for platforms Android And iOSThis tool not only allows you to stream media files, but also turns your smartphone into an advanced remote control with support for text input from the phone's keyboard.
Once the app is installed, launch it and follow the on-screen instructions. The program will automatically scan the network and find your TV. To complete the pairing, you may need to enter PIN code, which will appear on your TV screen. This is a security measure to prevent unauthorized access to your TV.
In the app interface, go to the "Media" or "Gallery" section. Here you can select videos, photos, or music stored on your phone's memory. The app supports various compression formats, but for large files (e.g., MKV (with high bitrate) may require on-the-fly re-encoding, which sometimes causes slowdowns.
☑️ Pre-launch check for LG TV Plus
⚠️ Please note: LG TV Plus app functionality may vary depending on the TV's year of manufacture. Models with webOS 3.0 and later support 4K video streaming, while older models may be limited to Full HD resolution.
A unique feature of this method is the ability to control playback. You can pause, rewind, or change the volume directly from the app interface, without having to fumble around for buttons on the remote. This makes viewing more comfortable.
Cast via Google Home (for Android and Chromecast built-in)
Many modern televisions LG equipped with built-in technology support Chromecast built-inThis allows you to stream content directly from apps like YouTube, Netflix, Spotify, or the Google Chrome browser without having to mirror your entire smartphone screen.
To use this method, make sure you have the app installed on your phone. Google HomeOpen it and find your TV in the list of devices. Click on the device icon and select "Cast Screen" or "Cast Media." If your TV supports Chromecast, a distinctive casting icon will appear in the corner of the video player in compatible apps (such as YouTube).
The main advantage of this method is that it doesn't rely on your phone's screen. Once playback starts, you can minimize the app, reply to messages, or even turn off your smartphone's screen—the video will continue to play uninterrupted on your TV. This significantly saves battery life on your mobile device.
| Characteristic | Screen Share (Miracast) | Chromecast built-in | DLNA (BubbleUPnP) |
|---|---|---|---|
| Phone screen addiction | High (screen on) | Low (can be turned off) | Low (background work) |
| Picture quality | Depends on Wi-Fi signal | Stable (up to 4K HDR) | Original file |
| Control | From the phone | From your phone or remote control | From the phone |
| Battery consumption | High | Short | Average |
Use Chromecast if you want to watch a movie from an online cinema without using your phone's processor to decode the video stream. The TV will automatically download the content from the internet.
Playing local files via DLNA
If you have movies or TV series saved on your phone in the memory or on a microSD card, and you don’t want to waste traffic on downloading them again, use the protocol DLNATo do this, you need to install a third-party media player on your smartphone, for example, VLC for Android, BubbleUPnP or MX Player.
Launch your chosen player and find the "Renderer," "Cast," or "DLNA" function in the menu. The app will scan the network and detect your TV. LGSelect a video file from the list and select your TV as the output device. The TV will automatically switch to the DLNA input and begin playback.
This method is advantageous because the phone's player takes over decoding complex formats that the TV's built-in player might not understand. For example, if the TV doesn't read the audio track. DTS or subtitles of a certain format, the phone can transcode the stream on the fly or embed subtitles into the image.
What should I do if my phone can't see my TV via DLNA?
Make sure the "DLNA" or "Media Server" feature is enabled in your TV's network settings. Sometimes you'll need to allow the connection when prompted on the TV screen. Also, check that your phone's antivirus software isn't blocking local connections.
When using DLNA, file navigation (rewinding) may experience a delay, as the command must reach the phone, be processed, and the new frame must be sent over the network. For large files (over 20 GB), it is recommended to use a wired connection or an external hard drive connected directly to the TV's USB port.
- 📂 Supported formats: MP4, AVI, MKV, MOV.
- 🎵 You can stream not only video, but also music.
- 📱 The phone acts as a server, and the TV acts as a client.
- 🔋 Phone power consumption is higher than with Chromecast.
Troubleshooting and connection optimization
Even with proper setup, users may experience artifacts, audio desync, or connection drops. Most often, the problem lies in airwave congestion or a weak signal. If the video is constantly buffering, try moving closer to the router or removing any physical obstacles between the devices.
Another common cause of failures is outdated DNS server your ISP or the router itself. Try entering static DNS addresses (for example, from Google) into your TV's network settings: 8.8.8.8 And 8.8.4.4). This often speeds up interface response and stabilizes streaming.
⚠️ Note: The menu interface on LG TVs may vary slightly depending on the version of the webOS operating system. If you don't see the item, please refer to the user manual for your specific model or check the "Software Update" section, as the menu structure may change with new versions.
It's also worth checking that your phone isn't running background downloads, which could clog up your bandwidth. For comfortable 4K viewing, a connection speed of at least 25 Mbps is recommended. If your router is older, you might want to consider replacing it with a model that supports the standard. Wi-Fi 6 (802.11ax), which handles multiple connections better.
In some cases, a complete reset of network settings helps. On a TV, this is done through Settings → All settings → General → Reset to factory settings (Be careful, this will delete your accounts.) On your phone, simply select "Forget network" for your Wi-Fi and reconnect.
Frequently Asked Questions (FAQ)
Why doesn't my LG TV see my phone in the list of devices?
Make sure both devices are connected to the same network (not a guest network). Check if the router's firewall is blocking the local connection. Also, try rebooting the router and TV.
Is it possible to stream videos from iPhone to LG TV?
Yes, if your TV supports AirPlay 2 (2019 models and newer). Otherwise, use the LG TV Plus app or third-party solutions like Replica.
How to reduce image lag when playing games from your phone to TV?
Enable Game Mode on your TV in the picture settings. Use a router that supports 5 GHz and make sure your phone is close to the access point.
Why is there a black screen when streaming on YouTube, but the sound is still there?
This is DRM (Digital Rights Management) protection. Some services prohibit screen mirroring via Miracast. Use the built-in "Cast" button (the rectangle icon with waves) within the YouTube app.