How to stream video from iPhone to LG TV via Wi-Fi: all working methods

Wireless video transmission with iPhone on TV LG Streaming via Wi-Fi seems like a simple task—until you encounter connection errors, lag, or no sound. In 2026, users have at least five ways to stream, but each requires proper configuration of both the mobile device and TV. The main problem isn't the technology itself (AirPlay, DLNA, Miracast), but in the compatibility of protocols, firmware versions and the quality of the home network.

If your LG TV released after 2018, most likely it supports Apple AirPlay 2 — the most reliable way for owners iPhoneBut what if the model is older and there are no firmware updates? Or what if the router can't handle the load and the video is constantly freezing? In this article, we'll cover all the current methods—from standard to alternative—and provide a checklist for diagnosing connection issues. We'll pay special attention to optimizing your Wi-Fi network, as even the most advanced protocol is useless with a weak signal or a congested channel.

1. Method 1: AirPlay 2 - the official method for new LG models

AirPlay 2 - this is the protocol from Apple, which allows you to stream videos, music and photos from iPhone to compatible devices, including TVs LG (starting with 2018 models and newer). The advantage of this method is minimal delays and support 4K HDR with a stable Wi-Fi connection.

To take advantage AirPlay, follow these steps:

• 📱 Make sure yours iPhone And LG TV connected to one Wi-Fi networkUsing different networks (for example, 2.4 GHz and 5 GHz) may block the connection.
• 🔍 On your TV, go to Settings → General → Apple AirPlay and HomeKit and turn on the option AirPlay.
• 📤 On iPhone open the video in an app (for example, Photo or YouTube), click the icon Share (or Broadcast in some applications) and select your LG TV from the list of devices.
• 🔒 If asked for a code, enter it from the TV screen.

If LG TV does not appear in the list of devices for streaming, check:

• 🔄 Is the TV firmware updated (current version for AirPlay 2 — not lower 04.70.XX).
• 📶 Wi-Fi signal quality: for 4K-content requires a speed of at least 25 Mbps.
• 🛡️ Router firewall settings: some models block multicast-traffic required for AirPlay.

Connected to the same Wi-Fi network (2.4 GHz or 5 GHz)

AirPlay is enabled in the LG TV settings.

The TV firmware has been updated to the latest version.

Bluetooth and Wi-Fi are turned on on the iPhone.

The router does not block multicast traffic-->

⚠️ Attention: On TVs LG 2019–2020 models may lose the option after a firmware update AirPlay in the menu. In this case, reset the network settings on the TV (Settings → General → Reset → Reset network settings) and reconnect to Wi-Fi.

2. Method 2: Smart Share (DLNA) - for older LG models

If your LG TV does not support AirPlay (for example, 2016-2017 models), you can use technology DLNA via the built-in application Smart ShareThis method is slower and does not support 4K, but is suitable for broadcasting photos and videos in resolution up to 1080p.

Setup instructions:

1. On your TV, open the app Smart Share (may be called LG SmartShare or Media Server).
2. Enable the option «DLNA» or "Media Server".
3. On iPhone install the app for DLNA- broadcasts, for example:
   • 8player Lite (free version with limitations),
   • AllConnect (paid, but with support) MKV and subtitles),
   • LocalCast (for local files and online videos).

In the application, select the file for broadcasting and specify yours LG TV as an output device.

Restrictions DLNA on iPhone:

• 🚫 No support DRM-protected content (for example, films from Apple TV+ or Netflix (It won't be possible to broadcast).
• 🐢 Audio/video delay may reach 1–2 seconds.
• 📂 Not all video formats are supported (for example, .MOV with codec ProRes will not be reproduced).

What video formats does Smart Share (DLNA) support on LG TV?

Most LG models can play the following via DLNA:

- Video: MP4 (H.264), AVI (Xvid), MKV (H.264), TS (MPEG-2)

- Audio: MP3, AAC, WAV

- Photo: JPEG, PNG

Not supported: ProRes, HEVC (H.265) in MOV container, FLAC (on some models).

To check the exact list, please refer to your TV's user manual (Multimedia section).

* Miracast requires firmware support and may not be available on budget models.

3. Method 3: Miracast - an alternative for Android-like streaming

Miracast — is a wireless screen sharing standard originally developed for Android-devices. However, some models LG TV (mostly 2015-2022) support this protocol, which allows screen duplication iPhone via third-party apps. The main advantage is minimal latency, the disadvantage is the lack of support. 4K and possible sound problems.

How to set up Miracast on iPhone:

1. Make sure yours is LG TV supports Miracast (check the menu) Settings → Network → Miracast or Screen Share).
2. On iPhone install the app for Miracast, For example:
   • Screen Mirroring + TV Cast (paid, but with a trial period),
   • ApowerMirror (free version with watermarks).

Connect both devices to the same Wi-Fi network (required!).

Run the application on iPhone, choose yours LG TV from the list and confirm the connection.

Important: Miracast on iPhone It only works through third-party applications, because Apple This protocol is not supported at the iOS level. Streaming quality depends on Wi-Fi speed: below 10 Mbps, lag and artifacts will occur.

⚠️ Attention: When using Miracast Third-party apps may stream audio separately from video. To sync them, try connecting them to a TV. Bluetooth-column or use HDMI ARC to output sound.

AirPlay 2

Smart Share (DLNA)

Miracast

YouTube Cast or other apps

I don't use wireless broadcasting-->

4. Method 4: Streaming apps (YouTube, Netflix, TV Cast)

If you need to stream videos from specific services (YouTube, Netflix, Twitch), the easiest way is to use the built-in function Cast in these applications. This method does not require any configuration. DLNA or AirPlay, but only works with supported services.

How to broadcast via YouTube:

1. Open the app YouTube on iPhone.
2. Select a video and click the icon Broadcast (in the upper right corner).
3. In the list of devices, select yours LG TV (must be connected to the same Wi-Fi network).
4. On your TV, open the app YouTube (if it is not opened automatically).

For other services (eg, Netflix or Disney+) the algorithm is similar. The main requirement is the presence of the service's official app on LG TV.

If you don't have the required application, you can use universal ones TV Cast-applications:

• 🎬 LocalCast — for streaming local files and online videos.
• 🌍 Web Video Caster - for streaming videos from websites (e.g. Vimeo, Dailymotion).
• 📱 TV Assist - supports Chromecast-a similar broadcast on LG.

5. Optimize Wi-Fi for stable streaming

Even the most perfect method of broadcasting (AirPlay 2 or Miracast) will be useless if your Wi-Fi network can't handle the load. To transmit video in a resolution 4K HDR a speed of at least is required 25 Mbps, and for 1080p — from 10 MbpsIn this case, not only speed but also connection stability is important.

Network Optimization Checklist:

• 📶 Use 5 GHz-Wi-Fi range (less crowded than 2.4 GHz, but has a smaller coverage area).
• 🔄 Restart your router before streaming (this clears the cache and frees up resources).
• 📡 Place the router closer to the TV or use Mesh system to enhance the signal.
• 🔒 Disable the power saving mode on your router (Wi-Fi Power Save), which can break the connection.
• 🎯 Turn on QoS (Quality of Service) and set the priority for multimedia traffic.

If you still have problems with streaming, please check:

• 🛡️ Settings DNS: sometimes using public DNS (eg. 8.8.8.8 from Google or 1.1.1.1 from Cloudflare) improves speed.
• 📊 Bandwidth congestion: use apps like WiFi Analyzer (For Android) or NetSpot (For Mac/PC) to find the least crowded channel in the 5 GHz band.
• 🔌 Wired connection: If possible, connect LG TV to the router via Ethernet - this will reduce the load on Wi-Fi.

6. Solving common problems

Even with proper setup, errors can still occur. Let's look at the most common ones and how to fix them.

🔴 Problem: TV doesn't appear in the list of devices for streaming

Possible causes and solutions:

• 🔌 LG TV And iPhone connected to different Wi-Fi networks → connect to the same network.
• 🔄 It's turned off on the TV AirPlay or DLNA → check the settings.
• 🛡️ The router's firewall is blocking multicast-traffic → disable it temporarily or add an exception for the local network.
• 📱 On iPhone disabled Bluetooth → turn it on (needed for initial synchronization) AirPlay).

🟡 Problem: Video is lagging or choppy

What to do:

• 📉 Reduce the video resolution (for example, from 4K to 1080p).
• 🔄 Reconnect to Wi-Fi or reboot your router.
• 📡 Switch from 2.4 GHz to 5 GHz (or vice versa if the 5 GHz signal is weak).
• 🔌 Connect LG TV to the router via Ethernet (if possible).

🟢 Problem: No sound during broadcast

Solutions:

• 🔊 Check if the sound is muted on your TV or in the app iPhone.
• 🎧 If you use Miracast, the sound can go through iPhone — connect Bluetooth- headphones for TV.
• 🔄 Restart the broadcast or reconnect your devices.

⚠️ Attention: On some models LG TV 2020–2021, after updating the firmware, the sound disappears when AirPlay-broadcasts from Apple MusicSolution: Reset the sound settings on your TV (Settings → Sound → Reset sound settings).

7. Alternative methods (if Wi-Fi doesn't work)

If wireless streaming is not possible due to Wi-Fi issues or device incompatibility, consider alternative methods:

• 📱🖥️ Lightning to HDMI adapter: Connect iPhone To LG TV via an adapter (for example, Apple Lightning Digital AV Adapter). Minus - wires, plus - stability 4K-image without lags.
• 📡 Apple TV: If you have a console Apple TV, connect it to LG TV through HDMI and use AirPlay for broadcasting. This is the most reliable method, but requires an additional device.
• 💾 USB driveCopy the video to a flash drive and play it through the port. USB on a TV. Suitable for large files, but not for streaming.
• 🌐 Cloud services: Upload video to Google Drive or Dropbox, and then open it on LG TV via the built-in browser or application Smart Share.

If you frequently stream content from iPhone, the optimal solution would be to buy Apple TV 4K - this guarantees stable operation AirPlay and access to Apple TV+, Netflix in maximum quality. However, for one-off tasks, the wireless methods described above are sufficient.

FAQ: Frequently asked questions about casting from iPhone to LG TV

❓ Is it possible to mirror an iPhone's screen to an LG TV without Wi-Fi?

Yes, but only through Lightning to HDMI adapter or Apple TV (if you connect it to the TV via cable). Wireless methods (AirPlay, DLNA, Miracast) require Wi-Fi or at least Bluetooth for initial synchronization.

❓ Why doesn't my LG TV support AirPlay, even though it's a 2019 model?

Your TV may have outdated firmware. Update the firmware using the menu. Settings → General → About TV → Software UpdateIf there are no updates, check the model on the website. LG - Some regional versions (for example, for Asia) may not support AirPlay.

❓ How do I stream video from Safari to LG TV?
There is no built-in method, but you can use:
• Application TV Cast (for streaming web videos).
• Function Screen mirroring through Miracast (with a delay).
• Uploading videos to YouTube (if the content is not protected by copyright) and subsequent broadcast via YouTube Cast.
❓ Why does video lag when streaming via AirPlay, even though Wi-Fi is fast?
The reasons may be as follows:
• 📶 Network congestion (for example, several devices are working simultaneously).
• 🔄 IP address conflict (reboot your router).
• 📱 On iPhone mode is on Low data consumption (turn off in Settings → Cellular).
• 🛡️ It's enabled on the router IPv6, which does not always work correctly with AirPlay (try turning it off).
❓ Is it possible to stream games from an iPhone to an LG TV?
Technically yes, but with some caveats:
• 🎮 Through AirPlay there will be a strong delay (not suitable for dynamic games).
• 📱 Through Miracast the delay is less, but artifacts are possible.
• 🖥️ The best option is Lightning to HDMI adapter (the delay is minimal, but wires are required).

For cloud gaming (Xbox Cloud Gaming, GeForce NOW) use official apps on LG TV, if they are available.