How to Stream from an iPhone to an LG TV via Wi-Fi: An Expert Guide

Owning an Apple smartphone and an LG TV opens up a wealth of multimedia content options, but establishing a wireless connection often requires careful setup. Many owners face difficulties when trying to display images on a large screen, not understanding the difference between built-in protocols and third-party solutions. In this article, we'll detail all the available methods, eliminating the need for unnecessary wires and adapters.

Modern smart TVs LG TVs use the webOS platform, which is designed from the ground up to integrate with the Apple ecosystem. However, the success of the operation directly depends on the TV's operating system version and your iPhone model. We'll look at both the native protocol and the native protocol. AirPlay 2, as well as alternative methods via DLNA and Miracast, which are relevant for older models.

Before you begin setup, make sure both devices are on the same local network. This is a fundamental requirement for stable high-definition video streaming. If the router is configured correctly, the process will take no more than a couple of minutes, after which you'll be able to enjoy photos and videos on a 4K screen without lag.

Video Streaming Standards: AirPlay vs. Smart Share

First, it is necessary to clearly understand what technologies are involved in the synchronization process. AirPlay 2 — is Apple's proprietary protocol that provides low-latency audio and video transmission and high-bitrate support. In turn, Smart Share LG's is based on the DLNA standard and allows for media sharing, but doesn't always support real-time mirroring of the entire screen.

If your TV was released after 2019, it likely has built-in AirPlay 2 support. This means you don't need any additional apps or workarounds. The signal is transmitted directly via Wi-Fi Direct or your local network, providing the best possible experience. performanceIn older models, you will have to rely on third-party intermediary applications.

It's important to note that image quality directly depends on the wireless channel's bandwidth. When transmitting 4K content via Wi-Fi A standard router may not be able to handle the data flow if it is overloaded with other devices.

⚠️ Attention: Using a guest Wi-Fi network (Guest Network) often prevents devices from discovering each other due to client isolation. Make sure your iPhone and TV are connected to the main network.

Equipment preparation and compatibility testing

The first step is to verify the technical specifications of your equipment. Not all LG models support wireless streaming equally well. You need to know the exact TV model, which can be found on the sticker on the back of the TV or in the menu. Settings → About Me.

The second critical issue is the webOS firmware version. Manufacturers regularly release updates that add support for new codecs and security protocols. If your TV hasn't been updated in a while, AirPlay may simply not be available.

Also, check the iOS version on your smartphone. The latest version of Apple's operating system is required to work with the new WPA3 encryption standards and AirPlay 2 protocols. Outdated software can cause conflicts when devices are handshake.

Below is a table of compatibility of the main series of LG TVs with various broadcasting methods:

Setting up native AirPlay 2 on LG TVs

If your TV model supports AirPlay 2, you can activate the feature through the TV's settings menu. You don't need to download anything to your iPhone. Go to the main menu and find the section Support or General.

Inside the menu, find the item Apple AirPlay and HomeKitHere, you need to toggle the slider to the "On" position. The system may prompt you to update the software—accept it, as this is critical for connection stability.

Once enabled, you can configure security settings. We recommend requiring a code upon first connection to prevent neighbors from accidentally (or intentionally) streaming content to your screen.

Now take your iPhone. Open Control Center (swipe down from the top right corner on models without a home button or from the bottom up on older models). Tap the icon. Screen mirroring (two rectangles). Your LG TV should appear in the list of available devices.

When you first connect, a 4-digit code will appear on the TV screen. Enter it on your smartphone screen. After this, the image from your iPhone will be copied completely to the TV. You can rotate your phone horizontally, and the image will fill the entire screen.

Using the LG ThinQ and Smart View app

For models where native AirPlay is unstable or absent, LG offers an official app LG ThinQ (formerly LG TV Plus). This is a universal remote control and media center that allows you to control your TV and transfer files.

Download the app from the App Store and launch it. The program will automatically scan the network and find your TV. Once paired (confirm the code on both screens), go to the Media Library section.

Here you can select photos or videos saved on your iPhone and send them for playback. The main difference from AirPlay is that in this mode, the phone acts as a remote control rather than simply mirroring the screen. This allows you to continue using other apps on your smartphone while watching.

⚠️ Attention: The Smart View feature in iOS (via the standard interface) may not be visible to LG TVs without third-party apps, as Apple limits native DLNA support in its system.

The app also lets you use your iPhone keyboard to enter text into the YouTube or Netflix search bar on your TV, significantly speeding up navigation. This is especially convenient if the remote is lost or its buttons are worn out.

Why might the LG ThinQ app not find my TV?

If the app doesn't detect your TV, check your iOS permissions. Go to Settings → LG ThinQ and make sure "Local Network" access is enabled. Without this permission, the app technically can't scan for devices on your Wi-Fi.

Broadcasting via third-party aggregator applications

When standard tools fail, aggregator applications such as Cast to TV, Replica or Web Video CasterThese programs create a virtual bridge between Apple protocols and LG standards.

The principle of their operation is that an application on the iPhone captures a video stream, transcodes it on the fly into a format understandable for the TV (usually an HTTP stream), and sends a playback link to the TV's browser or media player.

To use the method:

• 📱 Install the selected app on your iPhone from the App Store.
• 📺 On your LG TV, open the built-in browser or the Media Player app.
• 📡 Run a scan in the iPhone app and select your TV.
• ▶️ Select content to play.

The advantage of such solutions is their omnivorous nature: they often support video formats that LG's native player can't read. However, this comes at the cost of potential quality degradation or the appearance of ads in free versions of the software.

Diagnosing problems and troubleshooting delays

Even with a perfect setup, users may experience artifacts, audio desync, or a complete lack of video. The most common issue is related to the Wi-Fi frequency range. Make sure your devices are connected to the network. 5 GHz, not 2.4 GHz.

The 2.4 GHz band is heavily congested in apartment buildings, resulting in packet loss and screen blur. Switching to 5 GHz provides the necessary speed reserve for 4K video streaming.

It's also worth checking your router's power-saving settings. Some models automatically reduce signal strength or disable certain ports during idle hours, which can interrupt the connection to your iPhone.

⚠️ Attention: The webOS and iOS interfaces are constantly being updated. The layout of menu items may differ from that described in the instructions. Always look for keywords like "Connection," "Screen," or "Share."

If the audio lags behind the video, try finding the "Picture Mode" option in your TV settings and switching it to "Game" or "PC." This disables unnecessary image post-processing, reducing input lag.

Frequently Asked Questions (FAQ)

Is it possible to mirror iPhone screen to LG TV without Wi-Fi?

Without a local Wi-Fi network, this can't be done using native tools. AirPlay and DLNA require a router for data transfer. The only option without Wi-Fi is to use a wired Lightning-to-HDMI adapter, but this is no longer a wireless technology.

Why isn't my LG TV showing up in the AirPlay list on my iPhone?

Check that AirPlay is enabled in the TV settings. Also, make sure "Client Isolation" is disabled on both devices in the router and that they are on the same subnet. Sometimes, rebooting both devices helps.

There's only a picture, but no sound. What's wrong?

This is a common issue when using third-party apps or older firmware versions. Try switching the audio output in the iPhone's Control Center (press and hold the music controls) and manually selecting the LG TV.

Does screen mirroring affect iPhone battery life?

Yes, active Wi-Fi video streaming and image encoding use a significant amount of battery life. For extended viewing, it's recommended to keep your phone charged or use wireless charging.

Does my old LG TV (2016) support AirPlay?

Most likely not. Native AirPlay 2 support was introduced in 2019 and newer models. Older TVs will require third-party apps installed directly on the TV via the LG Content Store or external set-top boxes (Apple TV, Chromecast).