Modern multimedia capabilities Smart TV allow you to transform regular video viewing into a full-fledged home theater experience. Owners of devices based on Android People often wonder how to display images from their smartphone on a large screen without using unnecessary wires. Wireless connection via a local network WiFi is the most convenient and popular solution for content broadcasting.
Screen mirroring technologies known as Miracast or Screen Share, built into the operating system WebOS from the company LGThis means you don't need expensive adapters or HDMI cables to get started; all you need is a reliable router. However, the setup process may have its own nuances depending on the firmware version and model of your device.
In this guide, we'll cover all the current methods for syncing devices, including built-in features and third-party utilities. You'll learn how to troubleshoot common connection issues and ensure the highest quality video transmission. Follow the instructions to enjoy your favorite movies and photos on a larger display.
⚠️ Attention: Menu interface LG Smart TV may vary slightly depending on the operating system version WebOS (3.0, 4.0, 5.0, 6.0 and later). The location of settings items sometimes changes after major software updates.
Equipment preparation and compatibility testing
Before starting the synchronization procedure, you need to ensure that both devices are in the same network conditions. This is critical, as transmitting a video stream requires high bandwidth. If your router is broadcasting at a frequency 2.4 GHz, the speed may not be sufficient to stream video in 4K resolution.
Check if your smartphone and TV are connected to the same access point. Users often encounter a situation where the phone is connected via a mobile network. 4G/5G, and the TV is connected to home WiFi. In this mode, direct device discovery is impossible without the use of special technologies, such as Wi-Fi Direct.
It's also worth paying attention to your TV's operating system version. Outdated software may not support new encryption protocols or codecs that your TV uses. Android Smartphone. Updating the firmware often resolves issues with the device not appearing in the list of available devices.
☑️ Check before connection
Using the built-in Screen Share feature
The easiest and most native way to broadcast your screen is to use technology Screen Share, implemented in televisions LGThis function is based on the standard Miracast, which is supported by most modern devices on AndroidYou don't need to install additional applications unless your operating system is lacking basic services. Google.
To activate standby mode on your TV, take the remote control and press the button Input or HomeIn the menu that opens, find the application. Screen Share or DisplayAfter launch, a message will appear on the screen stating that the TV is ready to connect and is awaiting permission from the external device.
On a smartphone, the process may look different depending on the manufacturer's shell. On a clean one Android The function may be called "Broadcast", "Smart View" on devices Samsung, or "Projection" on XiaomiAfter searching for available displays, select the name of your display from the list. LG TV and confirm the connection by clicking "Allow" on the TV screen.
Setting up a connection via the LG ThinQ app
Company LG developed a universal application LG ThinQ, which serves as a smart home control center. It allows you to not only stream content but also use your phone as a remote control. This is especially convenient if you've lost the original remote or its buttons are stuck.
Download the official app from the store Google Play and launch it. The system will automatically prompt you to add a new device. Make sure location services are enabled on your phone, as this is required to search for devices on the local network. Select your TV from the list and enter the code that appears on the screen.
Once paired successfully, you can share photos and videos from your phone's gallery. To do this, open the desired media file, tap the "Share" button, and select LG ThinQ or the TV icon. The image will open on the larger screen, allowing you to continue using your phone for other tasks.
⚠️ Attention: For the application to work LG ThinQ account creation or login required LG ServiceWithout authorization, control and broadcast functionality may be limited.
Streaming via Google Home and Chromecast
Many modern models LG Smart TV have built-in support for the technology Google Chromecast built-inThis allows you to stream content from applications that support this protocol, such as YouTube, Netflix or Google PhotosThe image quality in this case is often higher than with simple screen mirroring.
To use this feature, make sure the service is enabled on your TV. Google CastIt is usually activated automatically when you first turn on your TV with a linked account. Google. In the app on the phone, for example in YouTube, click on the rectangle icon with waves in the corner and select your TV.
The advantage of this method is the ability to control playback from your smartphone. You can pause, rewind, or change the volume without interrupting the stream. Furthermore, your phone doesn't waste battery power encoding the video stream, as the TV downloads the content directly from the internet using your link.
Why does the video lag when broadcasting?
Lag is often caused by WiFi congestion. If the router is far away or the signal is weak, buffering may be interrupted. Try moving closer to the router or turning off other devices consuming bandwidth.
Alternative mirroring apps
If standard methods don't work, or your TV is an older model, you can use third-party software. Apps like TV Cast, AllCast or BubbleUPnP capable of streaming content even to devices lacking native support Miracast.
The principle of such programs is to create their own server on the phone or use the DLNA protocol. You install the application on Android, open the video file, and select the output device. Some apps require installing a companion app from the store on the TV itself. LG Content Store.
It's worth keeping in mind that free versions of such programs often contain ads or have session time limits. However, for a one-time streaming of a large file from your phone to your TV, this can be an excellent solution that doesn't require complex network setup.
Below is a comparison table of the main connection methods:
| Method | Image quality | Latency | Battery consumption |
|---|---|---|---|
| Screen Share (Miracast) | High (Full HD/4K) | Low | High |
| Google Chromecast | Maximum | Minimum | Short |
| LG ThinQ | Average (for photo/video) | Average | Average |
| Third-party DLNA | Depends on the codec | High | Average |
Solving common connection problems
Despite the simplicity of the technology, users often encounter errors. One of the most common problems is the TV not detecting the phone. In this case, check the firewall settings on the router. Sometimes, antivirus software on the computer or in the router settings blocks it. UDP ports required for device discovery.
Another possible cause is using a guest WiFi network. Guest networks often isolate devices from each other for security reasons, making it impossible to transfer data between your phone and TV. Switch both devices to the main network.
If the image is delayed or shows artifacts, try lowering the output resolution in your phone's settings. It's also worth checking if your smartphone's power saving mode is enabled, which could limit performance. WiFi module.
Why is there no sound when connecting via Screen Share?
Lack of sound is often due to DRM (copyright protection) restrictions in some apps or incorrect audio output settings. Check if your TV is set to "Optical" mode or another external audio output in the settings. Sound → Sound OutputAlso try restarting the app you're streaming from.
Is it possible to connect a phone to a TV without a router?
Yes, some models LG support the function Wi-Fi Direct Or they have a built-in module for direct connection. In this case, the phone connects directly to the WiFi signal broadcast by the TV itself, bypassing the home router. However, the transfer speed in this mode may be lower.
How to improve image quality when mirroring?
To improve quality, make sure you're using the 5 GHz network, as it's less congested and has higher throughput. Also, close background apps on your phone that may be consuming data, and move closer to the router to strengthen the signal.