Modern Smart TV TVs from the South Korean brand LG offer users a wealth of multimedia content options. One of the most popular features is wireless streaming of images and sound from a smartphone to a large screen. This allows you to enjoy photos, videos from your gallery, or online movies in high definition using the screen of your TV rather than a small display. The entire device synchronization process is based on a local wireless network, eliminating the need for unnecessary cables.
However, despite the apparent simplicity of the technology, users often encounter various nuances during setup. Different operating systems, firmware versions, and router models may introduce their own adjustments to the standard procedure. In this article, we will examine in detail all the current methods. Android And iOS devices communicate with the platform WebOS or NetCastYou'll learn how to troubleshoot common errors and ensure stable data transfer without delays or connection interruptions.
You don't need any complex equipment or specialized networking knowledge to get started. All you need is for both devices to be within range of a strong signal. We'll cover both built-in operating system tools and dedicated manufacturer apps. This guide will help you transform your TV into a fully-fledged entertainment center, controlled with a single touch from your smartphone.
Equipment preparation and basic requirements
The first and most critical condition for successful synchronization is that both devices are on the same subnet. This means your smartphone and TV must be connected to the same router. If you have multiple access points or range extenders installed in your home, make sure the devices aren't spread across different frequency bands that are isolated from each other by the router settings. This is often the reason why devices simply don't see each other.
The second important aspect is the relevance of the software. LG TVs use the operating system WebOS, which regularly receives security updates and functional improvements. Outdated firmware may not support new data transfer protocols, such as Miracast or AirPlay 2. Check the software version in the system settings and, if there are any updates, be sure to install them before starting setup.
It's also worth paying attention to the wireless network mode. Some routers, by default, separate clients into guest and main networks, which blocks direct connections between them. Make sure discovery is enabled on both devices. On smartphones based on Android This is usually called "Cast" or "Smart View," and on the iPhone, "Screen Mirroring."
⚠️ Note: If your router is configured for Client Isolation mode, a direct connection between your phone and TV will be impossible, even if they are connected to the same access point. This mode is often enabled in guest networks at hotels or hostels.
Using LG's built-in Screen Share feature
Platform WebOS The TV has a built-in video signal reception module that doesn't require installing any additional apps on the TV. To activate this feature, find the appropriate app in the start menu. It may be called "Screen Share," "Cast from Phone," or have a smartphone icon with an arrow. After starting, the TV enters connection standby mode.
On the smartphone side, the procedure depends on the operating system. Phone owners Samsung, Xiaomi or Huawei Find the desired option in the notification shade. It may have different names: "Smart View," "Cast," "Wireless Monitor," or "Projection." After clicking, the system will begin searching for available devices. Your device should appear in the list. LG Smart TV.
When attempting to connect, the TV may request permission. A pop-up window will appear on the screen with a code or an "Accept" button. This is a security measure to prevent unauthorized access to your screen. Once confirmed, the image from your smartphone will be copied completely to the TV. It's important to understand that in this mode, the phone controls the streaming, and turning off its screen or exiting the app may interrupt the broadcast.
- 📱 Open the notification shade on your smartphone and find the broadcast icon.
- 📺 Launch the Screen Share app on your LG TV from the Home menu.
- 🔗 Select the name of your TV from the list of available devices on your phone.
- ✅ Accept the connection request that appears on the TV screen.
It's worth noting that transmission quality depends on the strength of the Wi-Fi signal. If the distance to the router is large or the signal is blocked by walls, the picture may flicker. In this case, it might be worth moving the router closer to the viewing area or using a wired connection to the TV itself via a LAN cable, which will reduce the load on the wireless channel for video streaming.
Stream from iPhone and iPad (AirPlay)
For equipment owners Apple luckiest of all, since modern LG TV models support the technology AirPlay 2 Natively. This means you don't need any third-party apps or complicated settings. All you need is your TV and iPhone on the same Wi-Fi network. The feature is built right into the system. iOS and operates at the kernel level of the operating system.
To start casting, open Control Center on your smartphone. On models with Face ID, swipe down from the upper-right corner; on models with a Home button, swipe up from the bottom. Find the "Screen Mirroring" button, which looks like two rectangles. Select your LG TV from the list that appears. If a security code is enabled, enter the numbers displayed on the TV screen.
A unique feature of AirPlay is the ability to not only mirror your screen but also stream content directly from apps. For example, in YouTube or Netflix, you can tap the cast icon and select your TV. In this case, your phone acts only as a remote control, and the TV downloads the video directly from the internet, saving battery life and ensuring better picture quality without lag.
Why doesn't AirPlay work on older models?
AirPlay 2 is only available on LG TVs released in 2018 and later (B8, C8, E8 series and later), as well as some 2019 and later models. Older devices running NetCast OS or earlier versions of WebOS will require the use of third-party emulators.
If you want to change AirPlay settings, go to your TV's settings menu. There, you can choose whether a code is required each time you connect, or whether trusted devices can connect automatically. You can also customize the device's name to make it easier to identify in the guest device list.
LG ThinQ app for control and streaming
Official app LG ThinQ (formerly LG SmartView) is a universal tool for interacting with the entire smart home ecosystem of the Korean brand. It is available for download in Google Play And App StoreThis app not only duplicates the screen, but also allows you to use your smartphone as a fully functional remote control, replacing a lost or dead Magic Remote.
To get started, install the app and sign up for an LG account. This is a requirement for many features. After signing in, click the Add Device button. The app will automatically scan the network and find your TV. Follow the on-screen instructions to pair, confirming the code if one appears.
The app includes a "Screen Share" section, which allows you to share photos and videos from your phone's gallery. The main advantage of this method over system streaming is the ability to manage the playback queue, pause, and rewind content directly from your phone without interrupting the stream. The app also allows you to stream files from your phone to your TV for later viewing.
| Function | Built-in Screen Share | LG ThinQ App | AirPlay (iOS) |
|---|---|---|---|
| Screen mirroring | Yes | Partially | Yes |
| Remote control | No | Yes (full) | No |
| File transfer | No | Yes | No |
| Stability | Average | High | Very high |
Using the official app is especially useful if you plan to frequently share photos with friends or watch videos from file-sharing services that don't have built-in DLNA support. The program's interface is intuitive and translated into Russian, making it easy to navigate.
Using DLNA technology for multimedia
Protocol DLNA (Digital Living Network Alliance) is a standard that allows devices to share media content within a home network. Unlike MirrorLink or AirPlay, DLNA doesn't broadcast the screen image in real time. It allows the TV to "fetch" and play video files stored on the phone. This is ideal for watching downloaded movies at high bitrates.
To implement this method, you need to install a server application on your smartphone. Popular options include: BubbleUPnP, VLC for Android or LocalCastOnce installed, the app scans your phone's memory and creates a media library. Then, in your LG TV's menu, find the "Device Connector" signal source or launch the "Photo," "Video," or "Music" apps.
☑️ Checking the DLNA connection
The main advantage of DLNA is that image quality doesn't depend on the Wi-Fi speed during playback, as buffering is efficient. Furthermore, the phone can be used for other tasks or even locked, and playback on the TV won't be interrupted. However, using this protocol for rewinding or selecting subtitles can be more difficult than with a direct connection.
It's important to consider file formats. LG TVs support most popular codecs, such as H.264, MP4, MKVHowever, if the file is encoded in a rare format or has a specific audio track (for example, DTS-HD Master Audio, which is not licensed for all models), the TV may play the picture without sound or not open the file at all. In such cases, a phone player app (such as VLC) can perform transcoding on the fly.
⚠️ Please note: When transferring large 4K files via DLNA over Wi-Fi, lag may occur if your router operates at 2.4 GHz. For a comfortable viewing of high-definition content, we strongly recommend using a router that supports 5 GHz and the standard. 802.11ac or ax.
Troubleshooting connection and visibility issues
Despite the standardization of technologies, users often encounter a situation where their phone can't see their TV. First, check whether AP isolation mode or guest network mode is enabled on your router. These features are specifically designed to prevent devices from communicating with each other. Also, try temporarily disabling mobile data (3G/4G/5G) on your smartphone, as some apps prioritize mobile data over Wi-Fi.
The second common issue is an outdated Wi-Fi driver in the TV itself. Even if the internet is working on the TV, the wireless module may not process discovery requests (Discovery packets) correctly. The only solution is a firmware update. Go to Settings → All settings → Support → Software update and select "Check for updates".
If the problem is due to a software glitch in your smartphone's operating system, resetting your network settings may help. This will delete saved Wi-Fi passwords and Bluetooth settings, but it often resolves issues with network services freezing. Android this is done through Settings → System → Reset settings → Reset network settingsOn . iOS the path looks like this General → Transfer or reset iPhone → Reset → Reset network settings.
In rare cases, antivirus software on your smartphone or a firewall on your computer (if it's using Wi-Fi) can block ports needed for media streaming. Try temporarily disabling the protection and checking the connection. Also, make sure that the TV's network settings allow connections to external devices—sometimes this option can be accidentally disabled by the user.