Modern multimedia capabilities allow you to stream content from mobile devices to large screens without unnecessary wires, making viewing photos, videos, and presentations as convenient as possible. Apple device owners often wonder how to set up a wireless connection to their screens. LG Smart TV, as the iOS and webOS (LG TV operating system) ecosystems have their own unique interactions. Fortunately, integration between these devices has long been standard, and getting started doesn't require complex equipment or extensive networking knowledge.
The main protocol for such synchronization is AirPlay 2, which is built into most modern TV models of the Korean brand, as well as proprietary technology Screen ShareThe method you choose depends on the year of your TV and the iOS version on your smartphone. In this article, we'll cover all available methods, the necessary router settings, and any potential issues you might encounter while setting up your home media network.
Network requirements and pre-requisites
Before proceeding with the actual setup, you need to ensure that your infrastructure is ready to transmit heavy, high-definition video content. A fundamental condition for successful synchronization is that both devices—the smartphone and the TV—are on the same local network. This means they must be connected to the same router, preferably using the same range. 5 GHz, which provides higher throughput and connection stability compared to the congested 2.4 GHz band.
It's important to understand that wireless screen mirroring and video streaming (casting) place significant strain on your network bandwidth. If your router is old or located too far from your TV, you may experience audio delays, image artifacts, or complete connection drops. Ensure both devices are updated to the latest firmware versions available from the manufacturer, as older firmware may contain bugs in network protocols.
⚠️ Important: If your router supports "AP Isolation" or "Guest Network," make sure it's disabled for your primary devices. These features are specifically designed to prevent devices on the network from seeing each other, making it impossible for your phone to detect your TV.
It's also worth checking whether the Wi-Fi module is enabled on the TV itself. In some models LG WebOS When connected via a LAN cable, the wireless module may be disabled by default or operate in access point mode rather than client mode. For stable AirPlay and Screen Share operation, both devices must obtain IP addresses from the same subnet, which usually happens automatically with the default DHCP settings on the router.
Using built-in AirPlay 2 support
Since 2019, LG has implemented native support for the technology. AirPlay 2 to your smart TVs. This is the highest-quality and most stable image transmission method, as it was developed specifically for Apple devices and doesn't require installing third-party software on your TV. If you have an LG C, E, G, W, B series (OLED) or UN, UM, SM, or Nano9 (LCD) model from 2019 or newer, there's a 99% chance this feature will be available.
To activate this feature, you need to go to your TV settings. Typically, the process looks like this: press the settings button on the remote, select All settings, then go to the section Connection and find the item AirPlayHere, you need to toggle the function's status to "On." Once activated, a code may appear on the screen that you'll need to enter on your iPhone the first time you connect to confirm trust between the devices.
It's worth noting that AirPlay 2 not only allows for screen mirroring but also streaming audio to external speakers or using the TV as part of a HomeKit multi-room audio system. Picture quality with this connection automatically adapts based on Wi-Fi speed, supporting resolutions up to 4K and HDR, if the content and TV support it.
Setting up Screen Share (Miracast)
For LG TV models released before 2019, or in cases where native AirPlay does not work for some reason, the technology is used Screen Share, based on the Miracast standard. This protocol is universal and supported by most Android devices, but working with iPhones requires certain conditions or the use of intermediaries, as iOS doesn't support Miracast out of the box without special apps.
However, on many LG TVs, the Screen Share feature can be activated to receive a signal. To enable it, find the app in the Smart TV menu. Screen Share or go to Settings → Connection → Screen ShareIn the window that opens, the TV will enter connection standby mode. The device name will appear on the screen, along with a possible connection confirmation prompt.
Why might Screen Share work worse than AirPlay?
The Miracast protocol, which Screen Share is based on, is often less optimized for iOS, which can lead to audio and video desynchronization and a lower video bitrate. AirPlay uses more efficient codecs and buffering.
A key advantage of Screen Share is its ability to connect devices outside the Apple ecosystem. However, for iPhone owners, using this method via third-party apps is more of a compromise. Input lag with this connection can be noticeable, making it impossible to use the TV as a monitor for fast-paced games.
Using third-party applications and services
If built-in methods don't meet your needs, or your TV is an older generation Smart TV, specialized apps installed directly on the webOS platform can help. The official LG Content Store offers apps that add AirPlay support to TVs that don't officially support it, or improve existing implementations.
One of the popular solutions is the application AirBeamTV or similar services that create a software bridge between Apple and TV protocols. Once installed on the TV, such an app begins broadcasting a signal that the iPhone sees as a native AirPlay receiver. This allows you to bypass manufacturer restrictions and achieve wireless mirroring functionality even on older models.
There are also apps for streaming specific content. For example, if you want to show photos from your gallery or play a video file stored on your phone, it's more convenient to use media servers. By installing a client app on your iPhone (for example, VLC for Mobile or BubbleUPnP) and the corresponding server on the TV (or using the built-in LG DLNA server), you can open files on your phone and send them to the TV for playback.
| Connection method | Necessary software for TV | Image quality | Latency |
|---|---|---|---|
| AirPlay 2 (Native) | Built-in (2019+) | High (up to 4K HDR) | Minimum |
| Screen Share (Via App) | Third-party (App Store) | Medium/High | Average |
| DLNA/Media Server | Built-in / Application | Original | Not applicable (file) |
| HDMI adapter | Not required | Ideal | Absent |
When choosing a third-party solution, always pay attention to user reviews specific to your TV model. Different processors installed in LG TV panels (for example, the Alpha series or older chipsets) may perform differently when decoding video streams received through third-party applications.
Step-by-step instructions for connection
Now let's move on to the practical part and look at a procedure guaranteed to lead to success if you have compatible hardware. Follow the instructions carefully, checking each step to rule out basic configuration errors.
☑️ Checklist before connecting
The first step is to turn on your TV and make sure it's connected to the internet. Go to the settings menu and check the connection status. Next, take the remote and locate the "Input" button or the house icon to go to the Smart TV home screen. From there, find and launch the "Device Connector" app, or simply ensure AirPlay is enabled in the connection settings, as described in the previous sections.
Pick up your iPhone and unlock it. Open the app you want to cast content from (e.g., YouTube, Photos, or Safari). If you're using native AirPlay, swipe to open Control Center and tap "Screen Mirroring." Your LG TV's name should appear in the list of available devices. Tap it.
At this point, a connection permission request may appear on the TV screen. Use the remote to select "Accept" or "Allow." In some cases, a four-digit code will appear on the TV screen, which you will need to enter on your iPhone. Once authorized, the image from your phone will appear full-screen on the TV.
To end a session, simply open Control Center on your iPhone again, tap the "Screen Mirroring" icon, and select "Stop Mirroring." Alternatively, you can simply lock your phone's screen or switch to another app, although in the latter case, the mirroring may continue depending on the specific app's settings.
Troubleshooting and diagnostics
Despite their apparent simplicity, wireless technologies are susceptible to a variety of factors. One of the most common issues is that the TV simply doesn't appear in the list of available devices on the iPhone. In this case, the first thing to do is reboot both devices. Unplug the TV's power cord for 10-15 seconds to clear the network module cache, then reboot the iPhone.
Another possible cause is using different Wi-Fi frequencies. Some routers create two separate networks: one for 2.4 GHz and one for 5 GHz, sometimes with different names (SSIDs). Make sure both your phone and TV are connected to the same network (preferably both to 5 GHz for video). If the router combines them into a single network with the same name, try temporarily separating them in the router settings for diagnostics.
⚠️ Warning: Antivirus software or firewalls on your router (if using advanced settings) may block ports required for AirPlay (usually ports 5353, 7000, 7010, and 7011 UDP/TCP). Check your network security settings.
If the problem persists, try resetting the network settings on your TV. This is usually found in the LG menu under Settings → Network → Advanced Wi-Fi settings → Change/DisableAfter reconnecting to Wi-Fi, restart the device search on your iPhone. Also, make sure that the app you're using for casting is allowed to access the local network in your iPhone's privacy settings.
If you see a picture but no sound, check the audio output settings on your iPhone. Sometimes the system "forgets" to switch the audio stream to an external device. Also, check if the volume is turned down on the TV itself or in the AirPlay settings on your iPhone.
Frequently Asked Questions (FAQ)
Is it possible to connect an iPhone to an LG TV without Wi-Fi?
Yes, this is possible with a wired connection. You'll need a Lightning-to-HDMI adapter (or USB-C-to-HDMI for newer iPhones) and a standard HDMI cable. This will ensure the best picture quality and the absence of lag, but it requires an available HDMI port on your TV.
Why does video lag when connected wirelessly?
The main cause is low Wi-Fi speed or interference. Try moving the router closer to the TV, turning off other data-consuming devices, or switching to the 5 GHz band. Quality may also drop when streaming heavy 4K content.
Does my old LG TV support AirPlay?
AirPlay 2 is officially supported by 2019 and newer models. Older models (2018 and earlier) will require third-party apps from the LG Content Store or external devices like Apple TV.
How to improve image quality when mirroring?
You can change the aspect ratio or display mode in the AirPlay settings on your TV (if available). Also, make sure Low Power Mode is disabled on your iPhone, as it can limit processor and Wi-Fi performance.
Is it safe to use third-party Screen Share apps?
Most popular apps in the App Store and LG Content Store are safe, but they may collect usage data. It's recommended to read the developer's privacy policy and choose apps with high ratings and numerous reviews.