How to stream a movie from your phone to an LG TV via Wi-Fi

Modern users rarely watch content exclusively on small smartphone screens, preferring to transfer images to larger screens for a more comfortable viewing experience. Wireless data transfer technology allows you to instantly start a movie or TV series on Smart TV without the need for extra cables and adapters. This is especially important for owners of South Korean brand LG devices, as their operating system webOS and support for standards Miracast ensure high connection stability.

There are several proven methods for accomplishing this task, each with its own technical features and software requirements. The choice of a specific method often depends on your device model, operating system version, and the type of content being viewed. In some cases, standard system tools work perfectly, while in others, specialized software is required to ensure format compatibility.

In this article, we'll take a detailed look at all available options for synchronizing devices within a local network. You'll learn how to set up screen mirroring, use built-in multimedia features, and troubleshoot common connection issues that may arise during operation.

Preparing equipment and network for broadcasting

A fundamental condition for successful wireless video streaming is that all devices are in the same information space. This means that your smartphone and LG TV must be connected to the same router. If you're using mobile data on your phone and your TV is connected to your home Wi-Fi, a direct connection won't work.

The quality of the transmitted signal directly affects the image resolution and the absence of lag. To view video in 4K or Full HD To avoid buffering, it's recommended to use a 5 GHz network if your equipment supports this frequency range. Older routers that only support 2.4 GHz may not be able to handle high-bitrate video streaming.

⚠️ Important: Make sure that the Wi-Fi Client Isolation feature is disabled in your router settings on your TV, as it prevents devices from seeing each other on the network.

It's also worth checking that the software on both devices is up-to-date. Manufacturers regularly release updates that improve communication protocols and fix security vulnerabilities. On LG TVs, this can be done through the system settings menu, and on smartphones, through the app store or the "About phone" section.

📊 What smartphone do you have?
Android (Samsung, Xiaomi, etc.)
iPhone (iOS)
Another
Tablet

Using Screen Share (Miracast) on Android

The most universal method for devices based on Android is a technology Miracast, which is often called in LG interfaces Screen ShareThis protocol allows you to mirror your smartphone's screen to your TV in real time, transmitting not only video but also the system interface, games, and other applications.

To get started, you need to activate the signal reception mode on your TV. Depending on the firmware version webOSTo do this, you need to either find the "Screen Share" app in the list of installed programs or go to the signal sources menu and select the appropriate option. On some models, simply open the control center and select "Connect mobile devices."

After activating standby mode on your TV, pick up your smartphone. The steps may vary slightly depending on the manufacturer's operating system (MIUI, OneUI, ColorOS), but the general principle remains the same:

  • 📱 Open the notification shade and find the "Cast", "Smart View" or "Wireless Monitor" button.
  • 📡 Wait while your phone scans for available devices within Wi-Fi range.
  • 📺 Select your LG TV from the list that appears.
  • 🔒 Confirm the connection on the TV screen if prompted for permission.

Keep in mind that using this method drains your phone's battery and can also heat up due to the high load on the processor and Wi-Fi module. For extended viewing periods, it's best to connect your smartphone to a power source.

☑️ Check before connection

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Stream from iPhone and iPad via AirPlay 2

Equipment owners Apple can take advantage of proprietary technology AirPlay 2, which is natively supported by modern LG TV models. This solution ensures the highest image and sound quality and allows playback control directly from the iPhone lock screen.

Unlike Miracast, you don't need to launch separate apps on your TV if the model supports AirPlay 2 out of the box. All you need is for the TV and smartphone to be on the same network. When you try to cast, the system will automatically detect a compatible device.

The image output process is as follows:

  • 🍎 Open Control Center on your iPhone (swipe down from the top-right corner or up from the bottom on older models).
  • 🖥️ Tap the Screen Mirroring icon (two intersecting rectangles).
  • 📺 Select your LG TV from the list of available devices.
  • 🔢 Enter the code that appears on the TV screen if this is required for the first time.

If your TV model does not support AirPlay 2 hardware, you can try installing the app LG TV Plus or third-party solutions that emulate this protocol. However, native support always works more reliably and with lower latency.

Why might AirPlay not work?

AirPlay 2 may not be available if your TV's software isn't updated or if your privacy settings are set to prevent new device connections. Also, make sure Bluetooth is enabled on your iPhone, as it's used for the initial handshake between devices.

Remote control applications and multimedia centers

If standard screen mirroring methods don't work for you, you can use specialized apps that work on the DLNA principle or through their own ecosystem. Official app LG ThinQ (formerly LG TV Plus) turns your smartphone into a powerful remote control and media center.

The main advantage of such apps is the ability to stream files directly, without mirroring the entire screen. This is especially convenient when you need to display a specific photo from the gallery or play a video file saved on the phone. In this case, the TV acts as a renderer, decoding the video stream itself.

Popular software options:

  • 📺 LG ThinQ — the official application for controlling equipment and broadcasting photos/videos.
  • 🎬 VLC for Mobile — a powerful player with support for network streams and broadcasting to DLNA/UPnP devices.
  • 🌐 Web Video Caster — a specialized browser for streaming online video from websites directly to your TV.

When using third-party players like VLC, you need to open the video file, click the "Cast" button, and select your TV. It's important that the video formats are compatible with your TV's decoders, otherwise playback may not start.

Comparison of connection methods and their characteristics

Choosing the optimal streaming method depends on your specific needs. Miracast is best for gaming due to its minimal latency, while DLNA apps are more convenient for watching movies from your gallery. Below is a comparison table of the main features.

Method Image quality Latency Battery consumption
Miracast (Screen Share) High (up to 4K) Low High
AirPlay 2 Maximum Minimum Average
DLNA (Applications) Depends on the file Absent Short
Google Cast High Average Average

Please note that when using screen mirroring methods (Miracast, AirPlay), the phone cannot be used for other tasks without interrupting the stream or displaying unnecessary notifications on the big screen. DLNA methods allow you to use your smartphone independently while watching.

⚠️ Please note: Menu interfaces and item names may vary depending on the year of your LG TV and the webOS operating system version. Always consult the manufacturer's latest documentation for your specific model.

Troubleshooting and missing images

Even with proper setup, users may encounter difficulties. The most common issue is that the TV isn't visible in the list of available devices. In 90% of cases, this can be resolved by simply rebooting the router and both devices. Sometimes, reconnecting to the Wi-Fi network helps.

If the video playback is choppy or constantly buffering, try lowering the stream quality in the source app settings. It's also possible that the Wi-Fi signal is too weak in the location of the devices. In this case, using Wi-Fi repeater or moving the router closer to the viewing area.

Another common cause is antivirus software or a firewall on your smartphone blocking local connections. Try temporarily disabling your network protection and checking if your TV is accessible.

Why isn't my LG TV showing up in the list of devices on my phone?

Most often, the devices are on different networks (for example, one is connected to a guest Wi-Fi network, and the other to the main network). The problem may also lie in the router's network card drivers, which incorrectly handle multicast traffic required for device discovery.

Is it possible to display a screen without the Internet, only via Wi-Fi?

Yes, Miracast and AirPlay don't require internet access. The devices create a direct Wi-Fi Direct connection between each other. The only requirement is that the Wi-Fi modules on both devices are turned on.

How to improve picture quality during broadcasting?

Use a router that supports the 5 GHz band, close background apps on your phone that consume data, and bring devices closer together to improve signal strength.

Do all LG TVs support audio output to external speakers when broadcasting?

Not all. It depends on the model and webOS version. In your TV's audio settings, while streaming, you can try changing the audio output to optical or Bluetooth, if your TV supports it.