Modern technologies make it possible to broadcast multimedia content from mobile devices to large screens in a matter of seconds, and equipment owners LG are in an advantageous position thanks to the advanced platform webOSYou no longer need complicated HDMI cables or adapters if you want to show photos to friends or play a movie from the Internet in full screen. Wireless connection via Wi-Fi ensures stable transmission of high-resolution video stream while maintaining image quality.
There are several main protocols used to sync devices, and the specific method you choose depends on your smartphone model and TV year. In most cases, the setup process takes no more than a couple of minutes if both devices are on the same local network. We'll cover all the current methods available, including built-in features of Android and iOS operating systems.
Equipment requirements and preparatory actions
Before starting setup, you need to make sure your equipment meets the minimum technical requirements for proper wireless operation. First and foremost, both devices—the smartphone and the TV—must be connected to the same access point. Wi-Fi routerIf you're using mobile internet on your phone and your TV is connected to the router via cable, a direct connection may not be established without additional configuration.
Make sure that on your TV LG The Smart TV function is activated and the latest software version is installed. Older firmware versions may not support modern video encoding standards or security protocols, which will lead to connection errors. You can check for updates in the settings menu by selecting All settings → General → About TV → Check for updates.
⚠️ Attention: If your router supports the 5 GHz frequency band, ensure both devices are connected to it to stream 4K video. Using the 2.4 GHz band may cause lag or reduced image quality during streaming.
It's also worth checking your mobile device's battery, as active video streaming consumes significant power. For extended viewing sessions, it's recommended to keep your phone connected to a charger or power bank.
☑️ Check before connection
Using LG's built-in Screen Share feature
The easiest and most native way to display an image is to use the built-in application Screen Share, which is pre-installed on all modern models LG Smart TVThis method is based on technology Miracast allows you to mirror your phone's screen without installing any additional software on your mobile device. To get started, find the app icon on your TV's home screen or launch it from the app launcher.
After launching the app, a connection waiting window with the device's name will appear on the TV screen. At this point, the TV is either establishing a direct connection or waiting for a request from a mobile device on the local network. On Android smartphones, this feature is often called "Casting," "Smart View" (on Samsung), or "Screen Projection."
The user action algorithm is as follows:
- 📱 Open the notification shade on your smartphone and find the "Cast" or "Connect to wireless display" button.
- 📺 Select the name of your TV from the list of available devices LG.
- 🔗 Accept the connection request that appears on the TV screen using your remote control.
Once paired successfully, your phone's image is fully mirrored on the TV screen. This means all notifications, messages, and actions you perform on your smartphone will be visible on the big screen.
Connecting iPhone and iPad via AirPlay 2
Equipment owners Apple can take advantage of proprietary technology AirPlay 2, which is integrated into televisions LG Starting with 2019 models and newer (B9, C9, E9 series and above). This ensures the best video and audio quality and allows you to use your phone as a remote control or stream content in the background. This feature doesn't require a router with AirPlay support; devices must be on the same Wi-Fi network.
The connection process is extremely simple and doesn't require complex codes in most cases. Simply open Control Center on your iPhone (swipe down from the upper-right corner or up from the bottom for models with a Home button) and tap the "Screen Mirroring" icon.
In the list that opens, select your TV LG webOSIf you're connecting for the first time, a four-digit code may appear on the TV screen. Enter it on your smartphone. Your iPhone's screen will then appear on the TV.
| Characteristic | AirPlay 2 (Apple) | Miracast (Android) |
|---|---|---|
| Signal delay | Minimum | Average |
| Audio quality | High (Lossless) | Standard |
| Work in the background | Supported | Often blocked |
| Stability | High | Depends on the router |
It's important to note that when using AirPlay, you can not only mirror your screen, but also send videos directly from apps like YouTube or Netflix using the Cast button inside the player.
LG ThinQ app for advanced control
For deeper integration of the mobile device with the ecosystem LG It is recommended to use the official application LG ThinQIt's available for free download on Google Play and the App Store. While its primary function is smart home control, it also lets you stream photos and videos from your phone's gallery to your TV, as well as use your smartphone as an advanced remote control.
After installing the app and registering an account (or logging in via social media), you need to add your TV. Click the "+" button in the app, select "Select Product," and follow the on-screen instructions. The app will find your TV on the network and prompt you to enter the confirmation code displayed on the TV screen.
Benefits of using LG ThinQ include:
- 📸 Ability to create a full-screen photo slideshow.
- 🎮 Use your phone's gyroscope to control games on your TV.
- ⌨️ Convenient text input using your smartphone keyboard when searching on YouTube or in your browser.
The app's "Screen Casting" feature is more stable than standard methods because it uses optimized manufacturer drivers. However, for viewing videos from third-party apps (not from the gallery), it's still better to use the system screen casting feature described in the previous sections.
⚠️ Attention: The LG ThinQ app requires local network and geolocation permissions. Without these permissions, searching for the TV on a Wi-Fi network may fail due to security restrictions in Android and iOS operating systems.
What should I do if the app doesn't detect the TV?
Make sure Bluetooth is enabled on your phone and TV, as this is often used for initial pairing. Also, check if AP Isolation is enabled on your router, which prevents devices from seeing each other on the network.
Broadcasting via browser and third-party applications
If the built-in methods don't work for some reason or the functionality isn't sufficient, you can use the browser Google Chrome or specialized apps. The Chrome browser on Android and iOS has a built-in Cast feature that allows you to cast a browser tab or the entire screen to Chromecast-enabled devices (the technology is built into many modern TVs). LG).
To start, open your browser, click the menu (three dots), and select "Cast...." Select your TV from the list of devices. This is a great way to show a web page, Google Doc, or website with video that doesn't have its own cast button.
There are also third party repeater apps such as TV Cast or Web Video CasterThey're especially useful when playing a video file stored in the cloud or streaming from a website without a mobile version. These apps often have a built-in browser and their own codecs for processing the video stream.
When using third-party software, pay attention to ads and access rights. Free versions often limit session time or image quality.
Solution and troubleshooting
Despite the simplicity of the technology, users may encounter connection issues. The most common is that the TV isn't visible in the list of available devices. In 90% of cases, this is due to the devices being on different subnets (for example, some devices are on a guest Wi-Fi network, while others are on the main network) or access point isolation is enabled.
If the connection is established, but the video is constantly buffering or choppy, the problem lies with your Wi-Fi connection speed. Try disabling downloads on other devices or moving closer to the router. Restarting the router, which may be clogged with cache, also helps.
List of actions to take if there is no sound:
- 🔇 Check if your TV is set to "Quiet" mode.
- 🔊 Will convince!
- 📱 Restart the app you are broadcasting from.
In rare cases, you may need to reset the network settings on your TV. To do this, go to Settings → Network → Wi-Fi connection, select your network and click "Delete" or "Forget network", then reconnect by entering the password.
⚠️ Attention: The LG TV menu interface may vary depending on the webOS version (3.0, 4.0, 5.0, 6.0, and higher). If you can't find the specified option, use the settings search (magnifying glass in the menu) or check the exact location of the items in the official user manual for your model.
Why does the sound disappear when connecting an HDMI adapter (if using an adapter)?
When using wireless HDMI adapters, audio may switch to your phone. Check the audio output settings in your streaming app and select your TV as the default output device.
Frequently Asked Questions (FAQ)
Is it possible to connect a phone to an LG TV without a Wi-Fi router?
Yes, it is possible with technology. Wi-Fi DirectIn this case, the TV automatically creates a wireless network to which the phone connects. However, functionality may be limited to transferring photos and videos from the gallery; screen mirroring (Screen Share) without a router is not supported on all models.
Why is the image in low resolution when connected via Wi-Fi?
Most likely, your router operates in the 2.4 GHz band, which has limited bandwidth. To stream 4K or Full HD video without artifacts, it's recommended to use a 5 GHz network. Also, check if your TV settings limit stream quality.
Does the game lag when streaming my phone screen to TV?
Yes, with a wireless connection there is always an input lag of 50 to 200 ms. While this isn't noticeable for watching videos, it can be critical for fast-paced games (shooters, racing games). For gaming, it's best to use a wired connection or play directly on your console or TV.
How do I turn off screen sharing?
On an Android phone, it's usually enough to unlock the screen, open the notification shade, and tap "Dismiss" or "Interrupt." On an iPhone, you need to open Control Center again and tap "Interrupt Repeat." You can also simply turn off the TV or exit the Screen Share app using the remote.