Want to watch movies, streams, or family videos on the big screen, but don't know how to wirelessly stream images from your phone or laptop to your TV? Today wireless video streaming via Wi-Fi It has become the standard—modern TVs support multiple protocols, and smartphones and computers can automatically adapt to them. However, not all methods are equally convenient: some require high network speeds, others require specialized apps, and sometimes a single tap is all that's needed.
In this article we will look at All current methods for transmitting video to TV via Wi-Fi — from built-in functions Smart View And AirPlay to universal protocols Miracast And DLNAYou will learn which method to choose for your TV model (Samsung, LG, Sony, Xiaomi etc.), how to avoid delays and interruptions in broadcasts, and what to do if the TV doesn't detect the device. And at the end, there's an FAQ with answers to common problems.
1. Which video transmission method to choose: a comparison of technologies
Before connecting, determine what technology your TV supports. This affects picture quality, sound latency, and even the ability to stream. online video (Not all protocols work with streaming services). Here are the main options:
| Technology | Supported devices | Max. permission | Delay | Does it work with online videos? |
|---|---|---|---|---|
| Miracast | Android, Windows, TV with Miracast (2013+) | 4K@30Hz | 100–200 ms | ❌ No (local files only) |
| Google Cast (Chromecast) | Android, iOS, Chrome, TV with Chromecast built-in | 4K@60Hz | 50–100 ms | ✅ Yes (YouTube, Netflix, etc.) |
| AirPlay | iPhone, iPad, Mac, TV with AirPlay 2 (Apple TV, Samsung 2018+) | 4K HDR | 30–80 ms | ✅ Yes (all streaming services) |
| DLNA/UPnP | Any device with a DLNA server | Full HD | 200–500 ms | ❌ No (local files only) |
| Smart View (Samsung) | Samsung devices (Galaxy, TV 2016+) | 4K@60Hz | 50–150 ms | ✅ Partially (depending on the service) |
A critical detail: if you need to stream online video (YouTube, Kinopoisk, Twitch), choose only Google Cast or AirPlayThe other protocols only work with local files (videos, photos, music) on the device. Also note: delay — For gaming or video calls, only AirPlay or Miracast in "Game Monitor" mode (if supported) is suitable.
Not sure which protocol your TV supports? Check the manual or menu. Settings → Network → Screen Mirroring (the name may differ). If there are items like Screen Mirroring, Wi-Fi Direct or Apple AirPlay - your TV is compatible with the corresponding technology.
2. Video Streaming via Miracast: A Universal Method for Android and Windows
Miracast - is a wireless broadcasting standard that works without a router (using technology Wi-Fi Direct). It is built into most Android smartphones (starting with version 4.2) and Windows (starting with 8.1), and is also supported by TVs. Samsung, LG, Sony And Xiaomi (models since 2013). The main advantage is that no additional apps are needed, but there are also some disadvantages:
- 🔹 Doesn't work with online videos: You can only stream what is saved on your device.
- 🔹 Latency 100-200 ms: noticeable when watching dynamic scenes or playing games.
- 🔹 Needs TV support: Older models (before 2013) may not fit.
To stream video via Miracast:
- Turn on mirroring mode on your TV:
- For Samsung:
Settings → General → Screen Mirroring. - For LG:
Settings → Network → Screen Share. - For Sony:
Settings → Network → Wi-Fi Direct.
- For Samsung:
Settings → Connections → Screen Sharing (or Screen Mirroring).The TV and smartphone are connected to the same Wi-Fi network (or Wi-Fi Direct is enabled)
Mirroring mode is activated on the TV
The power saving mode is disabled on the smartphone (this may disconnect the connection)
The video file is supported by TV (MP4, MKV, AVI formats with H.264 codec) -->
Problems with Miracast? If the TV doesn't see the phone, try:
- 🔄 Restart both devices.
- 📶 Switch Wi-Fi on TV from 5 GHz to 2.4 GHz (or vice versa).
- 🔧 Update your TV's firmware (instructions in section 6).
⚠️ Please note: on some TVs Xiaomi (For example, Mi TV 4S) Miracast only works after disabling the function AI Sound in the sound settings. This is due to a driver conflict between the wireless modules.
3. Google Cast (Chromecast): The Best Way to Stream Online Videos
If you need to broadcast YouTube, Netflix, Kinopoisk, or Twitch — Google Cast (aka Chromecast) will be the ideal solution. This protocol works through a router (unlike Miracast) and supports streaming without delays. The main condition: the TV must have a built-in Chromecast (models Sony Bravia 2015+, LG with WebOS 3.5+, Philips with Android TV) or a connected external adapter (for example, Google Chromecast 4K).
How to stream video via Google Cast:
- Make sure your phone and TV are connected one Wi-Fi network.
- Open a supported app (YouTube, Netflix, Chrome browser).
- Click the icon Cast (usually in the upper right corner).
- Select your TV from the list.
- Launch the video and it will start playing on TV.
Advantages of Google Cast:
- 🎥 Support 4K HDR and sound Dolby Atmos.
- 📱 Works with Android, iOS and computers (via the Chrome browser).
- 🔄 You can continue using your phone while the video is playing on TV.
Not all apps support Cast. Here's a list of trusted services:
- ✅ YouTube, Netflix, Disney+, Kinopoisk, Twitch, HBO Max.
- ✅ Local media players: VLC, MX Player (with Cast plugin).
- ❌ Not supported: TikTok, Instagram Reels, some IPTV players.
⚠️ Attention: if you have Samsung Smart TV 2016–2018, built-in Chromecast may not work with some services due to a conflict with the proprietary shell TizenThe solution is to use an external one. Chromecast or update the TV firmware.
4. AirPlay for iPhone, iPad, and Mac: How to Stream to TV
AirPlay - this is an exclusive technology Apple, which allows you to transfer video from iPhone, iPad or Mac on TV. She supports 4K HDR and has minimal latency (from 30 ms), making it ideal for gaming or video calls. However, there are some caveats:
- 🍎 Only works with TVs that support AirPlay 2 (For example, Samsung QLED 2018+, LG OLED 2019+, Sony Bravia 2019+).
- 🔒 Requires an Apple device running iOS 12+/macOS Mojave+.
- 🌐 The TV and iPhone must be on the same Wi-Fi network.
Connection instructions:
- Enable AirPlay on your TV:
- For Samsung:
Settings → General → Apple AirPlay→ turn on. - For LG:
Settings → All settings → General → AirPlay.
- For Samsung:
Screen mirroring (or Screen Mirroring).For broadcast specific video (and not the entire screen):
- Open the video in an app (for example, Photo or Safari).
- Click the icon
AirPlay(rectangle with triangle). - Select TV.
What should I do if AirPlay can't find my TV?
1. Check that AirPlay mode is enabled on your TV (sometimes it is disabled after an update).
2. Reboot your router - sometimes the DHCP server assigns IP addresses incorrectly.
3. On your iPhone, disable VPN or power saving modes (they may block the local network).
4. Update your TV firmware (instructions in section 6).
5. If nothing helps, try connecting via an Ethernet cable (if your TV supports it).
Mac Feature: To duplicate your screen, open System Preferences → Monitors and select the TV in the section Screen mirroringTo broadcast audio separately from video, use System Preferences → Sound → Output.
5. Smart View (Samsung) and similar products for other brands
TV manufacturers often develop their own wireless streaming solutions. For example, Samsung This Smart View, at LG — Screen Share, at Xiaomi — Mi Screen MirroringThese technologies are optimized for proprietary devices and often perform more reliably than universal protocols.
How to use Smart View on Samsung:
- Turn on the TV
Settings → General → Screen Mirroring. - On a smartphone Samsung Galaxy swipe down from the notification panel and tap
Smart View. - Select your TV from the list.
- Confirm the connection on TV.
For LG Screen Share:
- On TV:
Settings → Network → Screen Share (Miracast). - On the phone:
Settings → Connections → Screen Mirroring. - 🔧 Optimized for specific TV models (less lag).
- 🎮 Supports low latency gaming mode (on Samsung QLED And LG OLED).
- 📱 You can stream not only videos, but also games, presentations, and web pages.
- Turn on the DLNA server on your TV:
- For Samsung:
Settings → Network → DLNA. - For LG:
Settings → Network → Remote Access.
- For Samsung:
- Install a DLNA server on your computer or smartphone:
- For Windows: built-in
Media streaming(included inSettings → Network & Internet → Sharing options). - For Android: applications BubbleUPnP or LocalCast.
- For iOS: 8player or nPlayer.
- For Windows: built-in
Advantages of proprietary solutions:
⚠️ Warning: on TVs Xiaomi (For example, Mi TV Q1) function Mi Screen Mirroring may conflict with the HDMI-CEC connection. If your set-top box remote stops working after mirroring, disable HDMI-CEC in the TV settings (Settings → HDMI-CEC → Disable).
6. DLNA: Transfer local files without mirroring
DLNA (or UPnP) is a protocol for transmission media files (videos, music, photos) over a local network. Unlike Miracast or AirPlay, it doesn't mirror the screen, but simply plays files on the TV. It's suitable if you need to show home videos or movies from your hard drive.
How to transfer video via DLNA:
DLNA limitations:
- 🚫 Doesn't work with online videos (local files only).
- 🐢 High latency (up to 500ms) - not suitable for gaming.
- 📁 Not all video formats are supported (for example, MKV with the H.265 codec may not play).
If the TV does not see the DLNA server:
- 🔌 Check that your computer and TV are on the same network.
- 🔥 Disable your firewall or antivirus (they may be blocking ports).
- 🔄 Reboot your router.
7. Troubleshooting: Why video is lagging or not streaming
If your video is choppy, slow, or not streaming at all, check these points:
| Problem | Possible cause | Solution |
|---|---|---|
| The video is lagging | Weak Wi-Fi signal or network congestion |
|
| No sound | The wrong audio source is selected on the TV. | Check it out Settings → Sound → Audio Source (HDMI or TV speakers must be selected). |
| The TV doesn't see the device. | Wi-Fi Direct or Miracast is disabled | Turn on Settings → Network → Wi-Fi Direct on TV and reboot it. |
| Video delay | DLNA or Miracast is used | Switch to Google Cast or AirPlay (if you want low lag). |
| The app does not support Cast. | The service is not integrated with Google Cast. | Use screen mirroring (Miracast/AirPlay) or an external Chromecast. |
Advice for router owners: If the video is constantly interrupted, check the QoS (Quality of Service) settings in the router control panel. Prioritize traffic for the TV to prevent packet loss. For example, on routers TP-Link this is done in the section Additional settings → QoS.
If nothing helps, update your TV firmware:
- For Samsung:
Settings → Support → Software Update → Update Now. - For LG:
Settings → All settings → Support → Software update. - For Sony:
Settings → About → System Update.
⚠️ Please note: Menu interfaces and available features may vary depending on your TV model and firmware region. If your TV doesn't have these options, please consult the official manual for your model.
8. Alternative methods: if Wi-Fi doesn't work
If wireless video transmission fails, consider alternatives:
- 🔌 HDMI cable: the most stable solution for 4K video without lag. For smartphones, an adapter is required (e.g., USB-C to HDMI for Android or Lightning to HDMI for iPhone).
- 📶 Wi-Fi Direct + USB adapter: If your TV doesn't support Miracast, you can buy an external adapter (for example, Microsoft Wireless Display Adapter).
- 🖥️ Media player (Kodi, Plex): Install the app on your TV Kodi and set up shared access to video folders over the local network.
- 🔄 IPTV via apps: If you need to stream TV programs, use SS IPTV or Lazy IPTV with a playlist.
For owners Apple TV or Android TV set-top boxes (For example, Nvidia Shield) the process is simplified - just install the desired application (Netflix, YouTube) on the device and control it from your smartphone.
Conclusion: The optimal method depends on your goals:
- 🎬 For online video → Google Cast or AirPlay.
- 🎮 For games → Miracast (in game mode) or HDMI.
- 📁 For local files → DLNA or Smart View.
- 📱 To duplicate the screen → proprietary protocols (Smart View, Screen Share).
FAQ: Answers to frequently asked questions
Is it possible to stream video from iPhone to TV without Apple TV?
Yes, if your TV supports it. AirPlay 2 (For example, Samsung QLED 2018+, LG OLED 2019+, Sony Bravia 2019+). Turn on AirPlay in your TV settings and select it in Control Center on your iPhone (Screen mirroring).
Why does video lag when transmitted over Wi-Fi?
The reasons may be different:
- Weak Wi-Fi signal (check the distance to the router or switch to 5 GHz).
- Network congestion (disconnect other devices downloading files).
- Poor TV performance (older models may not have enough power to decode 4K).
- Suboptimal protocol (DLNA is always slower than Google Cast).
Solution: Try connecting your TV to your router via an Ethernet cable or reduce the video resolution.
How to transfer video from a laptop to a TV?
The methods depend on the OS:
- Windows 10/11: use
Win + K→ Select TV (for Miracast) or open the Chrome browser and clickCast(for Google Cast). - macOS:
System Preferences → Monitors→ Select a TV to mirror (for AirPlay). - Any OS: connect your laptop to your TV via HDMI or use Steam Link for broadcasting games.
Is it possible to stream Netflix from your phone to TV without a Smart TV?
Yes, if you have:
- External adapter (Chromecast, Fire TV Stick, Mi TV Stick).
- Game console (PS5, Xbox Series X) with the Netflix app installed.
- Media player (Nvidia Shield, Apple TV).
Simply plug the adapter into your TV's HDMI port, connect to Wi-Fi, and stream Netflix from your phone via Google Cast or AirPlay.
How do I enable screen mirroring from Android to TV if there is no Screen Mirroring button?
If there is no option in Android settings Screen Mirroring, try:
- Install the app Google Home → click on the device icon →
Broadcast your screen. - Use third-party applications: ApowerMirror, TeamViewer QuickSupport.
- Update your smartphone's firmware (sometimes this function is hidden due to bugs).
If nothing helps, your device may not support Miracast (check the model on the manufacturer's website).