Modern Smart TV LG TVs from South Korea offer users a wealth of options, but wireless content streaming remains one of the most sought-after features. The question of how to stream video from a phone to an LG TV via Wi-Fi is more pressing than ever, as smartphone screens often seem too small for watching movies or photos with the family. Fortunately, technology DLNA, Miracast And AirPlay 2 allow you to easily solve this problem without purchasing extra cables.
The setup process may vary depending on the operating system of your mobile device - whether it is Android or iOS, as well as the year and model of the TV itself. In this article, we'll cover all available options in detail, including using built-in system features and installing specialized apps. You'll learn how to avoid image lag and ensure a stable connection for watching high-definition video.
Before you begin setup, make sure both devices are connected to the same wireless network. This is a fundamental requirement for most data transfer protocols to work. If your router broadcasts signals on both 2.4 GHz and 5 GHz frequencies, make sure both your phone and LG TV are located in the same network segment, otherwise they may simply “not see” each other.
Preparing equipment and network
The first step is to check the technical status of your local network. For comfortable video streaming in high resolution 1080p or 4K A stable, high-bandwidth connection is required. If the internet speed is slow or the Wi-Fi signal is unstable, the image may be choppy or pixelated.
Be sure to update your TV software to the latest version. In the menu Settings → All settings → General → About TV → Check for updates you can start searching for new versions webOSManufacturers frequently release patches that fix network module errors and improve compatibility with new smartphones.
⚠️ Attention: Some older router models may not correctly handle multicast traffic, which is necessary for finding devices on the network. If your TV doesn't detect your phone, try temporarily disabling the "Client Isolation" feature in your router settings.
It's also worth checking that Wi-Fi Direct is enabled on your TV. While it's often not required for home network operation, it can be used as a backup connection. Make sure your phone has local network access enabled, especially if you're using iPhone and the system will ask for permission to search for devices on the local network.
Using the built-in Screen Share (Miracast) feature
The most universal method for owners of devices based on Android - use of technology Miracast, which is often called in LG TVs Screen ShareThis method allows you to broadcast the entire smartphone screen in real time, making it ideal for showing presentations, playing games, or watching videos from apps that don't have built-in Cast support.
To get started, you need to launch the application. Screen Share on your TV. It's usually found in the apps list or in the Connection ManagerAfter launching, the device name will appear on the screen and a connection message will appear. On your smartphone, open the quick settings menu (curtain) and find the "Cast" button, "Smart View" (on Samsung) or "Wireless Monitor".
After searching for available displays, select yours LG TV from the list. A connection confirmation request may appear on the TV screen, which you'll need to accept with the remote. It's important to understand that with this connection, your phone's screen will be completely mirrored, and notifications from messaging apps will also be visible on the larger screen.
- 📱 Open the Settings app on your Android device and find the "Connection and Sharing" section.
- 📺 Launch the Screen Share app on your LG TV via the Smart TV menu.
- 🔗 Select the TV name from the list of available devices on your smartphone.
- ✅ Confirm the connection on the TV screen if an access request appears.
☑️ Pre-broadcast check
It's worth noting that image quality and input lag directly depend on the phone's Wi-Fi module power and the airwaves' congestion. This method may not be suitable for gaming due to lag, but it's optimal for viewing static videos or photo albums.
Stream from iPhone via AirPlay 2
To the owners iOS devices are more fortunate, since modern LG TVs support the technology AirPlay 2 natively. This means that to output video from iPhone or iPad There's no need to install any additional applications. The feature is built right into the operating system. webOS versions 4.0 and higher.
To start streaming, make sure AirPlay is enabled in your TV settings. The path to it usually looks like this: Settings → Connection → AirPlayHere you can set a device name that your phone will see and set a security passcode to prevent neighbors from connecting to your TV.
On an iPhone, simply open the Control Center (swipe down from the upper right corner or up from the bottom on older models) and tap the Screen Mirroring button (the icon with two rectangles). Select your device from the list. LG Smart TVIf you are watching a video in the app YouTube or Vimeo, you can use the Cast button inside the player itself, choosing the stream quality.
⚠️ Attention: The first time you connect your iPhone to your TV, a four-digit code will appear on the TV screen. Enter it on your smartphone. This is a one-time process to pair your trusted devices.
What to do if AirPlay isn't working?
Make sure AP Isolation isn't enabled on your router. Also, check if your router's firewall is blocking the ports used by the AirPlay protocol (usually 5353 UDP). In rare cases, rebooting the router may help.
Technology AirPlay 2 This allows not only screen mirroring but also the use of the TV as an external audio system or photo slideshow. Image quality remains high, and latency is minimized thanks to protocol optimization.
The official LG TV Plus app
If standard methods don't work or you need advanced control functionality, use the official app. LG TV Plus (formerly known as LG TV RemoteThis app turns your smartphone into an advanced remote control and allows you to stream photos and videos from your phone's gallery to your TV screen.
Download the app from Google Play or App Store and launch it. The program will automatically find your TV on the network. After pairing (entering the code on the TV), go to the "Media" or "Gallery" section. Select the desired files, and they will open on the big screen.
The main advantage of this method is the ability to control playback: pause, rewind, and create playlists. The app also allows you to display documents and presentations on the screen, which is convenient for office work or studying.
| Function | Screen Share | AirPlay 2 | LG TV Plus |
|---|---|---|---|
| Phone OS type | Android | iOS / macOS | Android / iOS |
| Screen mirroring | Yes (full) | Yes (full) | No (media only) |
| Video quality | Depends on the signal | High (HD/4K) | Original file |
| Control from your phone | Limited | Basic | Complete |
The app is also useful because it allows you to enter text using your smartphone's keyboard, which is significantly faster than typing search queries using the remote. This is especially useful when logging into services or searching for specific content.
Broadcasting via YouTube and other services
The easiest and most popular way to watch videos is to use the built-in function Cast in content aggregator apps such as YouTube, Netflix, IVi or KinopoiskIn this case, the phone acts only as a remote control, and the video stream is downloaded by the TV directly from the internet.
To get started, open the video in the app on your smartphone and tap the rectangle icon with waves (Cast) in the corner of the player. Select your LG TV from the list. The video will start playing on the TV, and you can use your phone for other tasks or even turn off the screen.
This method saves smartphone battery life and reduces the load on the Wi-Fi network, as data is not transmitted twice (internet → phone → TV), but goes directly to the TV. In this case, the picture quality will be the highest supported by the service and plan.
- 🎬 Open the YouTube app on your phone and TV (both must be logged into the same account for the Watch Later feature).
- 📡 Tap the "Broadcast" icon in the app on your smartphone.
- 📺 Select your LG TV from the list of devices provided.
- ▶️ The video will start playing on your TV, and your phone will become your remote control.
⚠️ Attention: If the Cast button doesn't appear, check if Data Saver mode or VPN is enabled on your phone. These features can hide local devices from apps.
Solution and optimization
Even with proper setup, situations may arise where devices don't see each other or the connection constantly drops. Most often, the problem lies in the router settings or temporary software glitches. First, try restarting the router, TV, and phone—this solves 80% of problems.
If the TV detects the phone but doesn't connect, check the date and time settings on both devices. Time missync can cause security certificate errors, which can cause encryption protocols to block the connection. Set automatic time synchronization via the network.
If you experience constant connection drops while watching heavy 4K content, try switching your TV to the 5 GHz band if your router supports dual-band mode. The 2.4 GHz band is often overloaded with neighboring networks and household appliances, causing interference.
Why doesn't my LG TV see my phone in the list of devices?
Make sure your router's "AP Isolation" feature isn't enabled, as it prevents devices within the network from communicating. Also, check if your phone's antivirus software is blocking your local network environment.
How can I improve image quality if the video is lagging?
Try lowering the video resolution in the source app settings (for example, from 4K to 1080p). Also, move your phone and TV closer to the router or use a Wi-Fi repeater to boost the signal in the room where the TV is located.
Is it possible to mirror an iPhone's screen to an old LG TV without AirPlay?
Yes, if your TV has the YouTube app, you can stream videos through it. Full iOS screen mirroring on older LG models requires third-party receiver apps installed on the TV itself via the LG Content Store.
Following these recommendations will allow you to enjoy content on the big screen without unnecessary wires and complicated setup. Wireless data transmission technologies make multimedia accessible and convenient for every user.