How to Play YouTube Videos on TV via Wi-Fi: A Complete Guide (2026)

Broadcast video from YouTube on the big TV screen through Wi-Fi — a convenient way to enjoy content without unnecessary wires. However, not all users know how to set up the connection correctly, especially if the TV and smartphone are on different platforms. In this article, we'll look at All current methods for wirelessly streaming YouTube video to TV in 2026, including nuances for devices Samsung, LG, Sony and other brands.

The main problem with this type of streaming is an unstable connection or lack of support for the required protocols. We'll explain in detail how to avoid stream interruptions, why some videos don't play on your TV, and what to do if your TV doesn't recognize your device. We'll also cover alternative methods for older TV models that don't support modern standards.

Important: If your TV was manufactured before 2015, some features may not be available. In this case, you will need additional equipment, such as Google Chromecast or Apple TVBut even with such devices, there may be some nuances, which we'll discuss below.

1. Broadcasting via built-in Smart TV functions

Modern Smart TV from Samsung, LG And Sony have a built-in application YouTube, which can be launched directly from the remote control. However, to sync with a mobile device, you will need:

• 📱 Install the official app on your smartphone YouTube (version not lower than 17.0).
• 🔗 Connect your phone and TV to one Wi-Fi network (guest network will not work).
• 🔄 Enable the feature Broadcast (icon with a screen and waves) in the YouTube player.

If your TV does not appear in the list of devices, check:

• ⚙️ Network settings on TV: go to Settings → Network → Network Status and make sure the connection is active.
• 🔄 Software update: Outdated firmware may block streaming. Update your TV via Settings → Support → Software Update.

On TVs Samsung With Tizen OS sometimes additional authorization is required YouTubeTo do this:

1. Open the app YouTube on TV.
2. Go to Settings → Login.
3. Use the QR code scanner on your phone to scan the code on the TV screen.

2. Using Google Chromecast

Google Chromecast — one of the most versatile broadcasting solutions YouTube to the TV. The device connects to the port HDMI and works via Wi-Fi. Advantages:

• 🔄 Support for all modern TVs (even without Smart TV).
• 📱 Compatibility with Android, iOS And Windows.
• 🎮 Ability to broadcast not only from YouTube, but also from a browser Chrome.

Setup instructions:

1. Connect Chromecast to the port HDMI on the TV and supply power through USB (use the original adapter).
2. Switch the TV to the signal source HDMI, corresponding to the port.
3. Download the app Google Home on your smartphone and follow the setup instructions.
4. In the appendix YouTube Click on the broadcast icon and select yours Chromecast.

What should I do if my Chromecast won't connect to Wi-Fi?

If your device does not see your network, check:

1. Does Chromecast support your Wi-Fi frequency (2.4 GHz or 5 GHz?)? Some models only work on 2.4 GHz.

2. Disable the VPN on your smartphone—it may be blocking the detection of devices on the local network.

3. Restart your router and Chromecast (unplug for 30 seconds).

⚠️ Attention: Some models Chromecast (For example, Chromecast Ultra) require a high-speed connection (from 10 Mbps) to play video in 4KAt lower speeds, lags are possible.

To broadcast from a computer:

1. Open your browser Chrome and log in YouTube.
2. Click on the three dots in the upper right corner → Broadcast.
3. Choose yours Chromecast from the list.

3. Stream via Apple AirPlay (for iPhone and Mac)

If you have devices Apple (iPhone, iPad, Mac), you can use the protocol AirPlayHe works with TVs. Samsung (models from 2018), LG (With webOS 4.0+) And Sony (With Android TV).

How to set up:

• 📱 Make sure your phone and TV are connected to the same Wi-Fi network.
• 🔧 Enable AirPlay on your TV: Settings → General → Apple AirPlay (the path may differ depending on the model).
• 🎥 In the app YouTube on iPhone Click on the broadcast icon and select your TV.

If your TV doesn't support AirPlay, you can use Apple TV (connects via HDMI). To do this:

1. Connect Apple TV to the TV and set it up through the app Apple TV Remote on iPhone.
2. In the settings Apple TV Turn on AirPlay: Settings → AirPlay and HomeKit.
3. Play the video on YouTube and select Apple TV in the broadcast menu.

⚠️ Attention: On some TVs Samsung The AirPlay feature may be disabled after a firmware update. Check your settings or update the software manually.

To broadcast from Mac:

1. Open Safari and go to YouTube.
2. In the upper right corner, click on the AirPlay icon (rectangle with a triangle).
3. Select your TV or Apple TV.

4. Miracast technology for Android devices

Miracast — a wireless broadcasting standard supported by most Android-devices and televisions with Android TVUnlike Chromecast, it duplicates the smartphone screen, and does not broadcast only video.

How to enable:

• 📱 On your smartphone: Settings → Connected devices → Screencasting (on Samsung: Settings → Connections → Smart View).
• 📺 On TV: Settings → Network → Miracast or Screen Mirroring.
• 🔄 Select your TV from the list of available devices.

Miracast Features:

• ✅ Low latency (suitable for gaming and real-time video).
• ❌ High load on the smartphone battery.
• ⚠️ Not all videos are in YouTube will be played due to DRM protection.

Make sure your TV supports Miracast|Check your smartphone's Android version (not lower than 4.2)|Disable VPN and firewall|Make sure your phone and TV are connected to the same Wi-Fi network

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If the broadcast does not start:

• Restart your smartphone and TV.
• Turn off power saving mode on your phone.
• Try connecting to a Wi-Fi network at a frequency 5 GHz (if supported).

5. DLNA protocol for older TVs

If your TV does not support modern standards, you can use DLNAThis protocol allows you to transfer media files over a local network, but has limitations:

• 🎬 The video must be downloaded to your device (online streaming from YouTube is not supported).
• 📌 A DLNA server is required on your smartphone or PC.
• 🔧 Not all video formats are played (for example, VP9 may not be supported).

Instructions for Android:

1. Download video from YouTube via an application (for example, Snaptube or YMusic).
2. Install a DLNA server (for example, BubbleUPnP or LocalCast).
3. Enable the server in the app and select the downloaded video.
4. On your TV, open the app Media player or DLNA and find your device.

For Windows:

1. Enable DLNA in settings: Control Panel → Network and Internet → Streaming Media.
2. Download videos from YouTube (for example, via 4K Video Downloader).
3. On your TV, select the source DLNA or Media server.

⚠️ AttentionDownloading videos from YouTube may violate the service's terms of service. Use this method only for personal viewing of legally downloaded content.

6. Troubleshooting broadcast issues

If the video on your TV plays sluggishly or doesn't play at all, check:

• 📶 Wi-Fi signal quality: The TV and smartphone must be within a strong reception area. Use apps like Wi-Fi Analyzer to check the signal level.
• 🔌 Network congestion: turn off other devices that consume traffic (torrents, online games).
• 🔄 YouTube application cache: clear the cache on your smartphone (Settings → Apps → YouTube → Storage → Clear Cache).

Common errors and how to fix them:

| Error | Reason | Solution |

|--------|---------|---------|

| "Device not supported" | Outdated TV firmware | Update your TV software |

| "No sound during broadcast" | Audio codec mismatch | Change the audio format in YouTube settings to Stereo |

| "The video is interrupted." | Slow Wi-Fi speed | Switch frequency 5 GHz or reduce video quality |

| "The TV doesn't detect the smartphone." | Different Wi-Fi subnets | Connect both devices to the same network (not a guest network) |

If the problem persists, try:

• Reboot the router (turn off the power for 1 minute).
• Reset network settings on your TV (Settings → Network → Network Reset).
• Use cable Ethernet to connect the TV to the router (if there is a port).

7. Alternative methods (without Wi-Fi)

If wireless streaming is not possible, consider alternatives:

• 🔌 HDMI cable: connect your laptop or smartphone (via adapter) USB-C/HDMI) directly to the TV.
• 💿 USB driveDownload the video to a flash drive and play it via the port. USB on TV.
• 🖥️ PC as media server: use Plex or Kodi for streaming local files.

To connect your smartphone via HDMI:

1. Buy an adapter USB-C/HDMI (For Android) or Lightning/HDMI (For iPhone).
2. Connect the adapter to the phone and the cable HDMI — to the TV.
3. On your TV, select the signal source HDMI.
4. Launch a video on YouTube and it will automatically appear on the screen.

⚠️ Attention: When connecting iPhone through HDMI some videos in YouTube may not be reproduced due to restrictions DRM (content protection). In this case, use broadcasting via Apple TV.

FAQ: Frequently Asked Questions

Is it possible to stream YouTube to a TV without a Smart TV?

Yes, it will work for that. Google Chromecast, Apple TV or adapter HDMI to connect a laptop/smartphone. You can also use DLNA, if the TV supports this protocol.

Why doesn't the TV see my smartphone when broadcasting?

The reasons may be as follows:

• The devices are connected to different Wi-Fi networks (including a guest network).
• The broadcast mode is disabled on the TV (Screen Mirroring or Miracast).
• The older TV model does not support modern protocols.
• VPN or firewall is enabled on your smartphone.

Solution: Check your network settings, update your TV firmware, and reboot both devices.

How to stream YouTube from iPhone to Samsung TV?

Use Apple AirPlay:

1. Make sure your TV supports AirPlay (2018 and later models).
2. Enable the function in TV settings: Settings → General → Apple AirPlay.
3. On iPhone in the app YouTube Click on the broadcast icon and select TV.

If AirPlay is not supported, use Apple TV or HDMI adapter.

Why is there a delay in video playback on my TV?

The delay (lag) occurs due to:

• Low Wi-Fi speed (less than 10 Mbps).
• Network congestion from other devices.
• Using the protocol Miracast (it mirrors the screen rather than streaming video directly).

Solution:

• Switch to frequency 5 GHz (if supported).
• Reduce video quality to 720p.
• Use Chromecast or built-in YouTube on TV instead of Miracast.

Is it possible to stream YouTube from your computer to your TV?

Yes, there are several ways:

• Through Google Chromecast: broadcast a browser tab Chrome.
• By HDMI: connect the laptop with a cable.
• Through DLNA: Configure the media server (for example, Plex) and play the video on TV.
• For Windows 10/11: use the function Projecting to this PC (if the TV supports Miracast).