Modern technologies make it easy to turn your smartphone into a powerful multimedia control panel, but not all users know how to effectively use this potential. Owners of devices based Android often face the desire to show friends photos from vacation or show family video archives on the big screen. TVs LG with a platform webOS offer many built-in tools for such tasks, but the pairing process can raise questions for beginners.
There are several proven methods for broadcasting content: from using the built-in functions of the operating system to using third-party applications and a cable connection. The choice of a specific method depends on the model of your TV, the version Android on your phone and the quality of your home network. In this article, we will analyze each option in detail so that you can choose the most convenient and stable one for your situation.
Before you start setting up, make sure that both devices are in good condition and have the latest software versions. Outdated drivers or firmware can cause an unstable connection or a complete lack of response from the TV to smartphone requests. Let's look at the basic tools that will help you enjoy content on the big screen without unnecessary complications.
Preparing equipment and network
The foundation of successful wireless data transmission is the correct configuration of the local network. For most functions, such as DLNA or Miracastto work, it is critical that both the smartphone and the TV are on the same subnet. This means that they must be connected to the same Wi-Fi router. If you have a dual-band router, make sure that both devices are connected to the same frequency, for example, 2.4 GHz or 5 GHz, although modern routers usually handle bridges between bands correctly.
Check the privacy settings on your smartphone. In the latest versions Android (starting from 10 and higher) there are strict restrictions on application access to the local network. When you first launch the broadcast application, the system may request permission to search for devices on the local network - it must be provided.
- 📶 Make sure that the "Client Isolation" (AP Isolation) function is disabled on the router, which prevents devices from seeing each other.
- 🔋 Check the battery level on your smartphone, as the video transfer process may be slow energy-intensive.
- 📺 Turn on the TV and switch it to Smart TV mode, selecting the signal source "Home" or "Smart Share".
⚠️ Attention: If your router uses a Guest Network, the devices in it are often isolated from the main network where the TV may be located. Connect both gadgets to the main Wi-Fi network.
Using the built-in Screen Share (Miracast) function
The fastest way to mirror your smartphone screen to a TV LG is to use technology Miracastwhich is often called on LG TVs Screen Share. This method allows you to stream not only individual files, but the entire phone interface in real time, which is ideal for demonstrating games or navigating maps.
On your LG TV, open the application list and find the tile named Screen Share or Connecting to the phone. Launch it and select the "View" or "Sound and Picture" mode. The TV will go into connection standby mode and begin searching for available devices. On a smartphone, the process is slightly different depending on the shell manufacturer.
☑️ Check before connecting Screen Share
On clean Android or devices Pixel you need to lower the notification shade and find the item Broadcast or Cast. On smartphones Samsung this function is called Smart View, and on Xiaomi — Broadcast or Projection. Once pressed, the phone will begin searching for displays. When yours appears in the list, click on it to establish a connection. LG TV, click on it to establish a connection.
It is worth noting that the picture quality during wireless duplication directly depends on the strength of the Wi-Fi signal. If you notice a delay (lag) between the actions on your phone and the image on the screen, try moving closer to the router or switching to the 5 GHz band if both devices support this standard.
Broadcast through the LG ThinQ application
The company LG has developed its own universal application LG ThinQ, which serves as a smart home and multimedia control center. This method is more stable and functional compared to standard Miracast, as it allows you not just to duplicate the screen, but to manage content more flexibly.
To get started, download the application LG ThinQ from the store Google Play and install it on your smartphone. After launch, you need to create an LG account or log into an existing one. The application will automatically scan the network and find compatible TVs. Select your TV from the list and follow the on-screen instructions to complete pairing by confirming the code on the TV.
Once successfully connected, you will have access to full control of your TV. To transfer the image, select your TV in the list of devices and find the button Screen casting or the smartphone icon with an arrow. This method often works more stable, as it uses optimized communication protocols from the manufacturer.
⚠️ Attention: The functionality of the LG ThinQ application may vary depending on the year of manufacture of the TV. On older webOS 3.0 and lower models, some remote control functions may not be available.
Transferring photos and videos via DLNA protocol
If your goal is to show specific photos or play a movie, and not duplicate the entire phone screen, then the protocol DLNA will be the best choice. It provides higher picture quality, since the TV itself decodes the video stream without loading the smartphone's processor.
Most modern galleries on Android have a built-in Cast function. Open the photo or video you want in the standard Gallery or Google Photos app. Find the Broadcast icon (rectangle with Wi-Fi waves) at the top of the screen. Click on it and select your TV LG from the list of available devices.
The TV will automatically open the built-in player and start playing the file. The advantage of this method is that you can minimize the application on your phone or even lock the screen and playback on the TV will continue. This is convenient if you need to free up your smartphone for other tasks while watching.
| Method | Quality | Latency | Phone load |
|---|---|---|---|
| Screen Share | Average | High | High |
| DLNA | High | Low | Low |
| HDMI cable | Maximum | Absent | Average |
| LG ThinQ | High | Average | Average |
To transfer large files (4K video) over Wi-Fi, make sure that the router supports the 802.11ac or Wi-Fi 6 standard, otherwise there may be slowdowns.
Third-party applications for broadcasting
In cases where the built-in tools do not work correctly or the TV does not see the phone, third-party developments come to the rescue. The store Google Play presents many utilities that specialize in overcoming compatibility problems between different ecosystems.
A popular solution is the application TV Cast for LG WebOS. It works like a browser: you open a video on a website inside the application, and it redirects the stream directly to the TV. This is especially useful for viewing content from websites that do not have official applications for Smart TV.
Another powerful tool is BubbleUPnP. This is a combine that supports a huge number of formats and protocols. With its help, you can stream music, photos and videos not only from your phone, but also from network attached storage (NAS) or cloud services, using the TV as the final playback device.
Why can third-party applications work better?
They often use their own compression and buffering algorithms, and also have advanced codec settings, which allows you to bypass the limitations of standard Android and webOS protocols.
Connecting via an HDMI cable (MHL/Slimport)
Despite the development of wireless technologies, a cable connection remains the most reliable way to transmit images, especially if maximum quality is required without compression artifacts. To implement this method, you will need a special adapter, since the connectors on phones and TVs are different.
You will need a cable or adapter USB-C to HDMI. It is important to check whether your specific smartphone supports video output through the charging port. Flagship models usually support the standard DisplayPort Alt Mode, while budget smartphones may not have this feature physically, even if the connector fits the shape.
Checking video support:1. Go to your phone settings.
2. Find the "Connections" or "Screen" section.
3. Look for the “Image output” item or connect the cable and see how the system reacts.
Connect the adapter to your smartphone, and the HDMI cable to the adapter and a free port on the TV. On the TV remote control, press the Input or Source button and select the appropriate HDMI port. The image should appear automatically. If this does not happen, check the screen resolution settings in the developer menu on Android.
⚠️ Attention: When using a cable connection for a long time, the phone may become very hot as the processor works in intensive mode. It is recommended to remove the case for better cooling.
The cable connection guarantees zero latency and a stable picture, which is critical for gaming and watching dynamic scenes in 4K.
Possible problems and solutions
Even with proper setup, users may encounter a number of technical difficulties. The most common problem is that the TV does not appear in the list of available devices. In 90% of cases, this is due to the fact that the devices are connected to different Wi-Fi networks (for example, one to the main, the other to the guest) or the access point isolation function on the router is used.
Another common situation is desynchronization of sound and image during wireless broadcasting. This can be treated by rebooting the router and updating the TV firmware. Go to Settings → All settings → Support → Software update and check for new versions.
If the image is jittery or has a low resolution, try manually changing the quality settings in the broadcast application. Sometimes the automatic bitrate selection cannot cope with the congestion of the wireless channel, and forcing the quality down to 720p can make the picture smoother.
Frequently asked questions (FAQ)
Why can't the LG TV see my Android phone?
Most often the problem is that the devices are connected to different Wi-Fi networks. Check that both gadgets are on the same network. Also make sure that the Screen Share application is running on your TV or the signal reception function is turned on.
Is it possible to transfer photos to an old LG TV without a Smart TV?
No, wireless transfer requires a Wi-Fi module and the Smart TV operating system. For older models, the only option is to connect via an HDMI cable using an adapter for your phone, if such a port is available on the TV.
Does image transmission affect Internet speed?
When using DLNA or local casting, traffic goes within the local network and does not consume your Internet channel. However, when mirroring the screen (Miracast), it can create a load on the Wi-Fi router, which theoretically can slightly reduce the speed for other devices.
How to transfer sound from a phone to a TV separately from the picture?
In the Bluetooth settings of your phone, find your TV (if it supports Bluetooth Audio) and connect as if it were a headset. Or use the audio output function in the screen casting settings if it is available in your version of Android.
Is it safe to use third-party apps for casting?
Yes, if you download them from the official Google Play store. Avoid installing APK files from unknown sources, as they may contain malicious code that gains access to your local network.