How to Connect iPhone 12 to LG TV via Wi-Fi: A Complete Guide

Modern technologies make it possible to transform the living room into a fully-fledged media center, where the smartphone acts as a universal remote control and content source. iPhone 12 People often look for ways to display images on a larger screen to enjoy photos, videos, or games without being limited by display size. Fortunately, the ecosystem Apple and modern televisions LG with support Smart TV complement each other perfectly.

There are several proven synchronization methods, each with its own advantages depending on your goals. You can use the built-in protocol AirPlay 2, which ensures stable data transfer, or use third-party solutions for more specific tasks. The main thing is to understand how to properly configure both devices to avoid lag and audio desynchronization.

In this article, we'll cover all the connection details, from basic home network setup to the intricacies of using various apps. You'll learn why the firmware version is important and how to ensure maximum transmission speed for high-definition video streams. By following the instructions, you'll easily set up wireless streaming.

Preparing equipment and a Wi-Fi network

The first and most critical step is to ensure a stable connection between the devices. Both devices—and iPhone 12, And LG Smart TV — must be on the same local network. This means they must be connected to the same router, whether it's a 2.4 GHz or 5 GHz router.

It is recommended to use a range 5 GHz, as it provides the higher bandwidth needed to stream 4K video without buffering. If your router uses two networks with the same name (Smart Connect technology), make sure both devices can actually see each other. Sometimes it can be helpful to temporarily disable mobile data on your phone to prevent the system from trying to use it for data transfers.

Check that Wi-Fi is enabled on both devices. On the TV LG This is usually done through the settings button on the remote control, and on iPhone - through Control center or SettingsMake sure your TV isn't in Guest Network mode, which often isolates devices from each other for security reasons.

⚠️ Note: If your router is configured for AP Isolation, devices will not be able to find each other, even on the same network. Check your router's security settings.

Using AirPlay 2 on LG TV

Most modern models LG (2019 series and newer with webOS 4.0 and above) have built-in support AirPlay 2This is a native protocol. Apple, which doesn't require installing additional apps on your TV. To get started, you need to activate this feature in the TV menu.

Go to your TV settings and go to the section General or Connection, and find the item Apple AirPlay and HomeKitMake sure the switch is in the "On" position. You can also set the access code here: you can leave it as "First Time," "Every Time," or disable the code entirely if you're on a secure home network.

☑️ Setting up AirPlay on LG TV

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Now take it iPhone 12Open the content you want to broadcast (for example, a video in the YouTube app or a photo in your Gallery). Tap the broadcast icon (rectangle with a triangle) or call Control center swipe down from the top right corner and select Screen mirroring. Your device will appear in the list of available devices. LG TV.

After selecting a TV, your smartphone may prompt you to enter a code that will be displayed on the TV. Enter it, and the image will instantly appear on the big screen. Picture quality will automatically adapt to the network and TV capabilities.

Streaming via the LG TV Plus app

If for some reason the built-in AirPlay does not work or your TV model LG It belongs to an older generation (but is still a Smart TV), you can use the official app LG TV PlusIt's a universal management tool that can also stream media files.

Download the app LG TV Plus from App Store on your own iPhone 12Launch the program, and it will automatically start searching for available TVs on the network. Select yours LG TV from the list. A pairing request may appear on the TV screen, which you must confirm with the remote.

  • 📱 The app allows you to control your TV like a remote control, which is convenient if you don't have the original remote.
  • 📂 You can stream photos and videos stored on your smartphone's memory via the "Multimedia" tab.
  • 🎮 Game Controller function is supported, turning the phone screen into a gamepad for simple games on TV.

It's important to note that this method doesn't fully mirror the entire iOS interface. You'll only be able to mirror specific media files selected within the app. It's not suitable for mirroring the desktop or games.

⚠️ Please note: The functionality of the LG TV Plus app may vary depending on the year of manufacture of the TV and the version of the webOS operating system.

Third-party apps for screen mirroring

For TV owners LGFor devices that don't support AirPlay 2 out of the box, or for users who want advanced functionality, there are third-party solutions. Popular apps like Replica, TV Assist or Screen Mirroring for LG TV allow the technology to be implemented Screen Mirroring.

The operating principle of such applications often consists of installing a special receiver on the TV (via the built-in browser or the LG Content Store application store) and a client on iPhoneAfter pairing via QR code or IP address, the phone begins transmitting a video stream in real time.

Impact of third-party applications on performance

Third-party apps can put additional strain on the iPhone 12 processor, resulting in increased battery consumption and increased device heat during extended streaming.

Image quality in third-party apps can vary. A slight latency of 1-2 seconds is often observed, making them unsuitable for fast-paced games, but perfectly acceptable for viewing presentations or static photos. Some apps offer paid subscriptions to remove ads or increase the bitrate.

Application Connection type Delay 4K support
AirPlay (Native) Built-in Minimum Yes
LG TV Plus Official software Average Depends on the file
Replica Third party Low/Medium Limited
TV Assist Third party High No

Connection problems and their solutions

Despite the simplicity of the technology, users sometimes encounter situations where iPhone 12 can't see the TV LG or the connection keeps dropping. Most often, the problem lies in network settings or outdated software. First, check that both devices have the latest available updates.

On iPhone go to Settings → General → Software UpdateOn TV LG Press the settings button on the remote control, select All settings → General → About TV → Check for updatesOutdated firmware webOS may not contain the necessary security certificates to work with new versions of iOS.

📊 What problem did you encounter when connecting?
The TV doesn't see the phone: There's a picture, but no sound: Frequent connection breaks: Everything works fine for me

If the updates have been installed, try rebooting your router. Routers tend to accumulate errors in their ARP table, which can cause devices to stop "seeing" each other on the local network. It's also worth checking whether your antivirus or firewall software is blocking local traffic between devices.

⚠️ Note: Menu interfaces and item names may vary slightly depending on the webOS version. Always consult the official documentation for your specific model.

Frequently Asked Questions (FAQ)

Is it possible to connect an iPhone 12 to an LG TV without Wi-Fi?

Yes, this is possible with a wired connection. You will need an adapter. Lightning to Digital AV Adapter and an HDMI cable. This will ensure maximum image quality without lag, but requires physical proximity of the devices.

Why is there no sound when streaming video via AirPlay?

Check your sound settings in Control center iPhone. Make sure that the audio output device is selected. LG TV, not the phone's speaker. Also, check if your TV's "Quiet" mode or similar features are enabled.

Do older LG TVs (2016-2018) support AirPlay?

Officially, AirPlay 2 support was added to 2019 and newer models. However, some 2018 models received this feature via a firmware update. Older models (2016-2017) will require third-party receiver apps installed directly on the TV.

Does connecting an iPhone affect the quality of your internet connection?

When streaming via Wi-Fi, a significant portion of the bandwidth is taken up by the video stream. If you're watching online video from your phone to your TV, the traffic goes through the router twice (downloading to your phone and streaming to your TV), which can reduce internet speed on other devices.