Modern technologies make it possible to turn a smartphone into a powerful remote control for multimedia content, and TV owners LG Smart TV are no exception. The ability to display images from a small gadget screen on a larger panel opens up new horizons for viewing photos, video archives, or even mobile gaming. The primary data transfer channel in this scenario is a wireless network. Wi-Fi, providing stable transmission of video stream without unnecessary wires.
The process of synchronizing devices may vary depending on the operating system of your smartphone - Android or iOS, as well as the TV's firmware version. In some cases, preliminary network connection setup is required, while in others, simply activating the feature on both devices is sufficient. Understanding how protocols work Miracast And AirPlay 2 will help avoid typical connection errors and ensure the best picture quality.
In this article, we will examine in detail all available broadcasting methods, consider the nuances of the operation of proprietary applications and built-in system functions. webOSYou'll learn how to ensure minimal signal latency and what to do if devices can't see each other on a shared network. A willingness to experiment and a stable router are all you need to get started.
Technical requirements and equipment preparation
Before you begin setting up, you need to make sure that your hardware meets the minimum requirements for the function to work correctly. Screen ShareFirst of all, both the TV and mobile device must be on the same local network. This means they must be connected to the same router, whether it's a wired connection for the TV or a wireless connection for the smartphone.
It's important to keep in mind that streaming quality directly depends on the channel's bandwidth. If your router supports operation in the range 5 GHz, it is highly recommended to use this frequency, as it is less crowded and provides higher data transfer rates compared to 2.4 GHz.
⚠️ Warning: If your router is distributing two networks with the same name (SSID) for 2.4 and 5 GHz frequencies, try temporarily separating them or forcibly switching one of the devices to the desired frequency if you experience connection interruptions.
It is also worth checking the version of the TV's operating system. LG webOSOlder models may not support the latest encryption protocols or video compression standards, resulting in connection failure or artifacts on the screen. A software update often resolves compatibility issues.
Using the built-in Screen Share (Miracast) feature
The most universal way to broadcast your screen without installing additional software is to use technology Miracast, which is implemented in LG TVs under the name Screen ShareThis method works at the operating system level and is supported by most modern Android smartphones.
To get started, you need to activate the signal receiver on your TV. Find it in the list of apps on the main panel. webOS icon Screen Share and launch it. A waiting-for-connection message will appear on the screen, and some models may require confirmation from your phone.
On the smartphone side, the algorithm of actions looks like this:
- 📱 Open your phone's settings and find the "Connections" or "Cast" section.
- 📡 Make sure that the Wi-Fi module is turned on and the phone sees your home network.
- 🔍 Tap "Cast" or "Smart View" (the name depends on the phone brand).
- ✅ Select your LG TV from the list of available devices that appears.
Once connected, the image from your mobile device will be fully mirrored on the TV screen. Please note that in this mode, the phone can only operate in landscape orientation, and the smartphone interface will be fully visible, including notifications and system messages.
☑️ Check before connection
Stream from iPhone and iPad via AirPlay 2
Apple device owners can take advantage of native technology AirPlay 2, which is built into modern LG TV models. This solution ensures more stable transmission of high-definition video and allows audio to be transmitted to external audio systems if they are connected to the TV.
To successfully connect, make sure AirPlay support is enabled on your TV. Access the settings using the remote control and go to the section General and find the item AirPlayMake sure the switch is enabled. You can also set a passcode in the settings or allow password-less connections for devices on the same network.
The process of starting a broadcast from an Apple device is as simple as possible:
- 🍏 Open Control Center on your iPhone or iPad (swipe down from the upper-right corner).
- 📺 Tap the Screen Mirroring button (the icon with two rectangles).
- 📶 Select your LG TV from the list.
- 🔢 Enter the code that appears on the TV screen, if required.
The advantage of AirPlay is that you can continue using your phone for other tasks while watching videos from your gallery or streaming service on your TV. Furthermore, this protocol is better optimized for delivering high-dynamic-range content. HDR.
LG TV Plus app for enhanced features
Official app LG TV Plus (formerly known as the LG Remote) provides deeper control over your TV and allows you to stream media files from your phone. It's more than just a remote control; it's a fully-fledged multimedia center that lets you access photos, videos, and music stored on your smartphone.
After installing the app on your phone and initially pairing it with your TV (you'll need to enter a code on the TV screen), open the "Media" or "Gallery" section. Here, you can select any files to play. Unlike full-screen casting, the TV decodes the video file itself, reducing the strain on your smartphone's battery.
The main advantages of using the application:
- 🎮 Ability to use your smartphone as a touchpad to control the cursor.
- 📂 Support for a wide range of video and audio file formats.
- 🔊 Separate volume and rewind controls without interrupting other tasks on your phone.
It's worth noting that the app may not support screencasting of some DRM-protected apps, such as Netflix or Disney+, due to these services' security policies. For streaming, it's better to use the built-in apps on the TV itself.
Comparison of connection methods and their features
Different connection methods have their own strengths and weaknesses, which become apparent over time. Choosing the best method depends on your goals: whether you need to show a presentation, watch a movie from your gallery, or play a mobile game on a big screen.
Below is a table comparing the main characteristics of the methods considered:
| Parameter | Screen Share (Miracast) | AirPlay 2 | LG TV Plus App |
|---|---|---|---|
| Device type | Android, Windows | iOS, macOS | Android, iOS |
| Picture quality | Depends on the signal | High (up to 4K HDR) | Original file |
| Latency | Average | Low | Minimum |
| Work in the background | No (mirroring) | Partially | Yes |
If you plan to play games that require fast reactions, latency can be a critical factor. In this case, a wired connection or using a gaming console is preferable, but for casual gaming, wireless methods are perfectly suitable.
⚠️ Note: The menu interface and item names may vary depending on the TV's year of manufacture and webOS version. If you don't see the item you're looking for, check the "Advanced Settings" section or update the software.
What to do if there is sound but no picture?
This is a common issue with codec mismatches. Try changing the output resolution in your phone settings or rebooting your router. Also, make sure your TV isn't in "Audio Only" mode.
Solving common connection problems
Despite the simplicity of the technology, users often encounter situations where their phone can't detect the TV or the connection constantly drops. First, check basic network connectivity. Try opening any website on your phone and playing an online video on your TV to ensure the internet is working.
Often, the problem lies in power saving settings. The smartphone may turn off Wi-Fi or reduce its power to conserve battery, which leads to lost data packets. Disable power saving mode while viewing content.
If your devices are on the same network but cannot detect each other, try the following:
- 🔄 Restart your router, TV, and smartphone (turn them off and on completely).
- 📶 Forget the Wi-Fi network on your phone and reconnect using the password.
- 🛡️ Check if your antivirus or firewall is blocking local connections on your phone.
In rare cases, resetting the network settings on the TV through the menu helps. Settings → General → Network → Reset Wi-Fi settingsThis action will not remove your apps, but it will update your network settings.
Frequently Asked Questions (FAQ)
Is it possible to broadcast a screen without the Internet, only via Wi-Fi?
Yes, an internet connection is not required for Miracast and Screen Share to work; a local network is sufficient. Some LG TV models support Wi-Fi Direct, which creates a direct connection between your phone and TV without a router.
Why does the picture flicker or the sound interrupt during broadcasting?
Most likely, the Wi-Fi channel is overloaded or the signal is too weak. Try moving closer to the router, turning off downloads on other devices, or switching to the 5 GHz frequency if your router supports dual-band operation.
Does my old LG TV support AirPlay?
Native AirPlay 2 support is available in LG models released in 2019 and later (webOS 4.0 and above). For older models, you can try installing third-party receiver apps from the LG Content Store if they are available for your OS version.
How do I turn off screen sharing?
On your phone, open the notification panel or Control Center and tap "Disable" or "Stop Looping." Alternatively, simply turn off your smartphone's screen or launch a heavy app that will interrupt the video stream.