How to display an image from your phone to an LG TV via Wi-Fi

Modern technology makes it possible to transform any smartphone into a powerful multimedia center, but viewing content on a small screen isn't always convenient. TV owners LG with support Smart TV They can easily stream videos, photos, and even gameplay over a large screen without the need for extra cables. This eliminates the clutter of wires and allows you to enjoy high-quality content from anywhere in the room.

The main tool for such synchronization is a wireless network. Wi-Fi, which unites devices into a single ecosystem. The setup process may vary depending on the operating system of your mobile device—whether it's Android or iOS, as well as the TV's firmware version. Understanding how data transfer protocols work will help avoid common errors and image delays.

In this article, we'll take a detailed look at all available connection methods, from built-in system features to third-party apps. You'll learn how to set them up. Wi-Fi Direct for direct file transfer or use technology Miracast For screen mirroring. Proper network settings will ensure a stable picture without choppiness or audio desynchronization.

Equipment preparation and compatibility testing

Before you begin pairing devices, you need to make sure your equipment is technically ready to work wirelessly. Most modern models LG Smart TV, released after 2012, already have a built-in Wi-Fi module and support wireless media streaming standards. However, this feature doesn't guarantee its activation by default.

The first step is to ensure both devices are connected to the same wireless network. This is critical, as the router acts as a bridge, transmitting data packets between the phone and the TV. If one device is connected via 4G/5G mobile internet and the other via home Wi-Fi, detection will be impossible.

⚠️ Important: Make sure your router's AP Isolation feature is not enabled, which prevents devices within the network from seeing each other. This setting is often enabled on guest networks or in offices for security reasons.

It's also worth checking your TV's software version. Manufacturers regularly release updates that add support for new codecs and protocols, such as AirPlay 2 For Apple devices, go to the Settings menu and find the Software Update section to rule out compatibility issues at the system level.

For stable high-resolution video transmission (4K HDR), it's recommended to use a dual-band router operating at 5 GHz. This will ensure sufficient bandwidth to prevent the image from becoming pixelated even with high bitrate video streams.

📊 What type of router do you have?
Single-band (2.4 GHz)
Dual-band (2.4 + 5 GHz)
Router from the provider
Mesh System
Don't know

Cast from Android via Screen Share and Miracast

For users of smartphones based on Android I was most fortunate because this platform has native support for the technology. Miracast, which LG implemented under the name Screen ShareThis method allows you to mirror your phone's screen to your TV in real time, making it ideal for showing presentations, photos, or games.

To get started, you need to activate the signal reception function on your TV. Depending on the model and year of manufacture, the application may be called Screen Share, Smart View or simply appear in the list of inputs as Device ConnectorOn older models, you may need to launch the app before searching from your phone.

On the smartphone side, the algorithm of actions looks like this:

  • 📱 Open the notification shade and find the "Cast", "Smart View" or "Screen projection" button.
  • 📡 Wait until the search for available devices on your Wi-Fi network is complete.
  • 📺 Select your LG TV from the list that appears.
  • ✅ Confirm the connection on the TV screen if a connection request appears.

Once paired successfully, the phone's image will appear full-screen. It's important to understand that in this mode, the phone remains active, and any notifications (messages, calls) will be visible to everyone in the room. If you plan to watch a movie, it's best to enable "Do Not Disturb" mode.

Using the LG TV Plus app to control

Official app LG TV Plus (formerly known as LG Remote) offers advanced control capabilities that go beyond simple screen mirroring. It not only allows you to stream media files but also use your smartphone as a fully-fledged remote control with a touchpad, which is especially convenient for entering text when searching for videos.

To get started, download the app from Google Play or App StoreOnce launched, the program will automatically scan the network for compatible TVs. When connecting for the first time, a confirmation code may appear on the TV screen; enter it into the appropriate field on your phone.

The application's functionality includes:

  • 🎮 Full control of the Smart TV interface using a virtual remote control.
  • 📂 Broadcast photos and videos from your phone's gallery to the big screen.
  • ⌨️ Convenient text input using your smartphone keyboard for searching YouTube or Netflix.
  • 🔊 Adjust volume and change channels without searching for a physical remote control.

Unlike Miracast, file transfer via the app works differently: the phone acts as a media library, sending the data stream directly to the TV's decoder. This frees up the smartphone's processor, allowing it to be used for other tasks while watching.

⚠️ Note: The LG TV Plus app interface may differ depending on the version of webOS installed on your TV. Some older models may require an earlier version of the app.

Pay special attention to access rights. When you first launch the app, it will ask for permission to access the local network and media files. Without these rights, functionality will be severely limited, and you won't be able to select videos to play.

Connecting iPhone and iPad via AirPlay 2

Apple device owners no longer need to purchase an Apple TV set-top box to display content on their LG TV. Starting with certain 2018 and newer models, LG has implemented support for the protocol. AirPlay 2 directly to your Smart TVs. This ensures the highest transmission quality and minimal latency.

The setup process is as simple as possible and integrated into the system. iOSMake sure AirPlay is enabled in your TV's network settings. This is usually located in the following path: Settings → Connection → AirPlay and HomeKitIf this item is missing, your model may not support this feature or require a firmware update.

To start a broadcast, follow these steps:

  • 🍏 Open Control Center on your iPhone (swipe down from the top right corner or up from the bottom).
  • 🖥️ Click on the "Screen Mirroring" icon (two 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.

AirPlay 2 technology allows you to stream content even when your phone's screen is off, as it streams directly from a server or through a router, eliminating the smartphone's processing load. Multi-room audio is also supported, allowing you to sync your TV's audio with HomePod speakers.

What to do if AirPlay isn't working?

Make sure IPv6 is enabled on your router or disable VPN on your phone, as these may block local discovery of Apple devices.

Comparison of connection methods and their characteristics

Different connection methods have their own technical characteristics that affect image quality, latency, and ease of use. Choosing the optimal method depends on your specific needs: whether you simply need to share photos with friends or watch a movie in high bitrate.

The table below compares the key features of available technologies for LG TVs:

Method Image quality Latency Phone addiction
Miracast (Screen Share) High (up to 1080p) Low High (screen active)
AirPlay 2 Very high (up to 4K) Minimum Low (can be folded)
DLNA (Application) Depends on the file Absent Low (remote control)
Google Cast High (adaptive) Average Low (streaming)

Please note that the image quality when using Miracast Directly depends on the Wi-Fi signal strength. If the router is far away, the system may automatically reduce the resolution to avoid buffering, which would result in a loss of clarity.

Technology DLNAThe built-in app's native streaming feature doesn't broadcast the screen, but only sends a link to the file. This means the phone's interface remains clear, but you won't be able to control playback (seek, pause) as flexibly as with direct streaming from apps.

Troubleshooting connection and buffering issues

Even with proper setup, situations may arise where the phone doesn't detect the TV or the video is constantly interrupted. Most often, the problem lies in wireless channel congestion or IP address conflicts. Restarting the router and TV resolves approximately 80% of these issues.

If the device doesn't appear in the list of available devices, check your router's firewall settings. Sometimes antivirus software on a computer connected to the same network can block detection protocols. UPnP, necessary for Smart TV operation.

Common causes of failures and how to fix them:

  • 📶 Weak signal: Move closer to the router or use a Wi-Fi repeater to strengthen the signal in the viewing area.
  • 🔄 Different subnets: Make sure that the devices are not separated by a guest network or VLAN that isolates them from each other.
  • 🧹 Application cache: Clear the cache of the LG TV Plus or YouTube app on your phone; accumulated errors may be interfering with the connection.

In some cases, setting a static IP address for the TV in the router settings can help. This will prevent situations where, after a reboot, the router assigns a new IP address to the TV, causing the phone to lose connection.

⚠️ Note: Router specifications and app interfaces are subject to change. If these steps don't help, check the official documentation for your router model or contact the manufacturer's support team.

It's also worth considering that older Wi-Fi standards (such as 802.11n) may not be able to handle high-definition video streaming. In this case, the only option is to use a wired LAN connection or upgrade to a more modern router.

Frequently Asked Questions (FAQ)

Is it possible to connect a phone to an LG TV without Wi-Fi?

Yes, this is possible with a cable. For Android, USB-C to HDMI adapters that support the MHL or SlimPort standard are used. For iPhone, you'll need a Lightning to Digital AV Adapter. Wi-Fi is not required in this case, as the signal is transmitted directly via the cable.

Why is there no sound during the broadcast, although the video is playing?

This is most often caused by your phone being in silent mode or the sound being switched to a Bluetooth headset. Also, check that the volume on your TV isn't turned down, as some apps don't sync volume levels across devices.

Does my old LG TV support Smart View?

Smart View (Miracast) is available on most LG Smart TVs released after 2012. If you have an older model without Smart TV, you can use an external set-top box (such as Chromecast or Android TV Box) to add this feature.

How to improve picture quality during broadcasting?

To improve quality, make sure your phone and router are operating at the 5 GHz frequency. Also, close background apps on your smartphone that consume internet bandwidth, and try to minimize the distance between the transmitter and receiver.

Is it safe to connect my personal phone to public Wi-Fi for streaming?

Using public Wi-Fi networks for data streaming is not recommended, as traffic can be intercepted. Such networks often have client isolation enabled, making TV detection technically impossible without special router configuration.