Broadcasting video from YouTube to a large TV screen via Android smartphone is a convenient way to enjoy content in high quality without having to buy additional devices. Many users encounter difficulties when connecting for the first time: the TV does not see the phone, the sound comes with a delay, or the picture is slow. In fact, the process takes no more than 5 minutes if you know the nuances of the settings and choose the optimal synchronization method.

In this article we will look at all current connection methods —from wireless technologies (Miracast, Google Cast, Smart View) to wired solutions via HDMI or USB-C. We will pay special attention to typical errors due to which the broadcast is interrupted, and we will give recommendations on choosing a method depending on the TV model (Samsung, LG, Sony Bravia etc.) and version Android (from 8.0 to 14).

You you will learn:

  • 🔹 How to enable wireless broadcast without lags even on old TV
  • 🔹 Why YouTube doesn’t see the TV through Chromecast and how fix this
  • 🔹 What settings Android need to be changed for a stable connection
  • 🔹 How to bypass restrictions on broadcasting paid content (for example, YouTube Premium)
📊 What kind of TV do you have?
Smart TV (Samsung, LG, Sony)
Regular TV with set-top box (Android TV, Apple TV)
TV without Smart functions
I don’t know the model

1. Preparing the phone and TV for connection

Before you start synchronizing, make sure that both devices meet the minimum requirements. This will eliminate most problems, such as the absence. signal or low broadcast quality.

On the side Android smartphone check:

  • 📱 OS version not lower Android 5.0 (for Google Cast required 8.0+). On older versions, only wired methods work.
  • 🔄 Function Wi-Fi Direct or Miracast is enabled (path: Settings → Connections → Advanced).
  • 📶 The phone and TV are connected to one Wi-Fi network (for Chromecast and Smart View).
  • 🔋 The battery charge is above 30% - at a low level, the system may limit performance.

On the side of the TV:

  • 📺 If it is Smart TV, update the firmware to the latest version (in the menu Settings → Support → Software update).
  • 🔌 For a wired connection, check the presence of ports HDMI or USB-C (on modern models Samsung QLED and LG OLED an adapter may be required).
  • 🎯 Turn on the mode Screen Mirroring (on Samsung) or Miracast (on Sony and Philips).
⚠️ Attention: On TVs LG s webOS up to version 3.0 may not work Google Cast. In this case, use LG Screen Share or a wired connection.

☑️ Checklist before connecting

Done: 0 / 5

2 Method 1: Wireless broadcast via Google Cast. (Chromecast)

This is the most popular method, since it does not require additional devices - it is enough that the TV supports the technology Google Cast (built-in in most Android TV and Smart TV after 2016). data-i="107">Step-by-step guide: Chromecast.

Step by step instructions:

  1. Open the application YouTube on your phone and select a video.
  2. Click on the icon "Broadcast"** (in the upper right corner of the player).
  3. In the list of available devices, select the name of your TV (for example, Living Room TV (Sony Bravia)).
  4. Confirm the connection on the TV screen (if prompted).

If the TV is not shown in the list:

  • 🔄 Reboot the router and both devices.
  • 📶 Check that the phone and TV are connected to the same network (not the guest one!).
  • 🔧 In the router settings, enable multicast traffic (option IGMP Snooping or Multicast Forwarding).
  • 🛠️ Update the application YouTube and TV firmware.
⚠️ Attention: Some videos on YouTube (for example, marked Premiere or Members-only) may block broadcasting to external screens. In this case, use screen mirroring (method 3).
Problem Cause Solution
The broadcast is interrupted Weak Wi-Fi signal Connect the router closer to the TV or use a Mesh system
No sound The wrong signal source is selected on the TV Switch the input to HDMI or Screen Mirroring
Low video quality Network bandwidth limitation In the router settings, set priority for multimedia (QoS)
The TV does not see the phone Disabled Google Cast on TV Enable in Settings → Network services → Google Cast
💡

Google Cast is the most universal method, but requires stable Wi-Fi If you have a router. weak, use a wired connection or Miracast.

3. Method 2: Screen Mirroring (Smart View, Miracast)

If Google Cast does not work or you need to broadcast not only YouTube, but the entire phone screen, use technology screen duplication. On different brands it is called differently:

  • 📱 Samsung — Smart View
  • 📱 Xiaomi/Redmi — Wireless Display or Cast
  • 📱 Google Pixel — Screen Cast
  • 📺 On TVs - Miracast or Screen Mirroring

Instructions for Samsung (similar for other brands):

  1. On your phone, lower the notification shade and find the icon "Smart View"** (or On-screen broadcasting).
  2. Select your TV in the list (for example, LG OLED55C1).
  3. Confirm the connection on the TV screen (you may need to enter a PIN code).
  4. Run YouTube on your phone - the image is automatically duplicated on the TV.

Important: when mirroring the screen, the video may be broadcast with a delay of up to 2 seconds. For games or music this is critical, but for watching YouTube it is quite tolerable.

If the connection fails:

  • 🔧 On the TV, turn on Miracast in the menu Settings → Network → Screen Mirroring.
  • 📵 Make sure the mode is turned off on your phone Energy Saving —it can block wireless connections.
  • 🔄 Restart both devices and repeat try.
Why is Miracast slower than Google Cast?

Miracast technology transmits the entire phone screen, and not just video, like Chromecast. Therefore, the load on the processor is higher, and lags may occur. YouTube it is better to use specialized broadcasting (method 1).

4. Method 3: Wired connection via HDMI or USB-C

If Wi-Fi is unstable or the TV does not support wireless technologies, use a wired connectionThis guarantees minimal latency and maximum video quality (up to 4K@60Hz). You will need:

  • 📱 For modern smartphones (Samsung Galaxy S22, Google Pixel 7 and newer) - cable USB-C → HDMI with support DisplayPort Alt Mode.
  • 📱 For older models (up to Android 9) - adapter Micro-USB → HDMI (for example, MHL).
  • 📺 There must be a free port on the TV HDMI (preferably marked ARC or HDMI 2.0).

Step-by-step guide:

  1. Connect the cable to the phone and TV (port HDMI usually signed as HDMI 1/2/ARC).
  2. On the TV remote control, press the button Source (or Input) and select the appropriate HDMI-input.
  3. On the phone, it will appear in the notification shade alert USB to transfer the image — press Allow.
  4. Run YouTube —the video will be broadcast to the TV without delay.
⚠️ Attention: On some phones (Xiaomi, OnePlus), when connected via HDMI the internal speaker may be turned off. In order for the sound to go through the TV, select HDMI as the output device in the sound settings.

Advantages of the wired method:

  • ✅ No lags or breaks in the broadcast.
  • ✅ Supported 4K HDR (if you have the appropriate cable).
  • ✅ Works even without the Internet (video will be broadcast from the memory phone).

Disadvantages:

  • ❌ The phone discharges faster (it is recommended to connect a charger).
  • ❌ You need to buy an adapter (cost from 500 to 2000 rubles).
💡

If, when connected via HDMI, the phone screen does not is duplicated, try turning on the option in the developer settings USB debugging and reboot the device.

5. Method 4: Connecting via a set-top box (Android TV, Apple TV, Fire Stick)

If you have an external set-top box (Android TV, Apple TV 4K, Amazon Fire Stick), connected to the TV, you can broadcast YouTube through it. This is convenient if the TV itself does not support Smartfunctions.

Instructions for Android TV (for example, Nvidia Shield or Xiaomi Mi Box):

  1. Make sure that the set-top box and phone are connected to the same Wi-Fi network.
  2. On the set-top box, open the application YouTube and log into your account.
  3. On the phone in the application YouTube click the icon "Broadcast"** and select the name of the console (for example, Mi Box S).
  4. The video will start playing on the TV, and the phone can be used as a remote control.

For Apple TV:

  • 🍎 Install the application on your phone Apple TV Remote (available in Google Play).
  • 🔗 Connect to Apple TV via AirPlay (in the phone's Wi-Fi settings).
  • 🎬 In YouTube select the option "Broadcast"** and find Apple TV in the list.

Advantages of this method:

  • 🎯 More stable connection than with live broadcast on TV.
  • 🔊 Support for surround sound (Dolby Atmos on Apple TV 4K).
  • 📱 You can use your phone to control playback (pause, rewind).
⚠️ Attention: On Amazon Fire Stick broadcasting may not work from some Android devices due to limitations Amazon. In this case, use screen mirroring via Miracast.

6. Method 5: Alternative methods (DLNA, Plex, LocalCast)

If standard methods do not work, try third-party applications. local videos or bypass regional restrictions.

1. LocalCast (for DLNA)

  • 📲 Install LocalCast from Google Play.
  • 🔍 The application will automatically find the TV on the local network.
  • 🎬 Select a video in YouTube, click "Share" → «LocalCast» → select TV.

2. Plex (for media server)

  • 🖥️ Install Plex Media Server on your computer and add video from YouTube to the library (for example, via 4K Video Downloader).
  • 📺 On your TV, install the application Plex and connect to your server.
  • 🎥 Play the video through the interface Plex.

3. SmartTubeNext (for old TVs)

If you have a TV on Android TV (for example, Sony Bravia 2015–2018), but YouTube works with errors, install an alternative client SmartTubeNext:

1. Enable USB debugging on TV (Settings → About the TV → Build number - press 7 times).

2. Connect the TV to the PC and install the APK via adb install smTubeNext.apk.


3. Launch the application and log in to your Google account.

💡

To stream video to 4K via DLNA make sure that the router supports the standard 802.11ac (Wi-Fi 5) or later.

7. Solving common problems

Even with the correct settings, failures may occur. Here are the most common errors and ways to resolve them:

Problem Possible cause Solution
Video slows down Low Wi-Fi speed Switch the router to channel 5 GHz or connect via cable
No sound during broadcast Wrong input selected on TV Press on the remote control Source and select HDMI or Screen Mirroring
TV does not see the phone Disabled Miracast on TV Enable in TV settings (Network → Screen Mirroring)
The broadcast is interrupted VPN or firewall is blocking the connection Turn off VPN on your phone and check your router settings
Low video quality Bandwidth limit In the router settings, enable QoS for multimedia

If none of the methods worked:

  • 🔧 Check if it is blocking the broadcast antivirus or safe mode on your phone.
  • 📡 Try connecting to another Wi-Fi network (for example, through a mobile hotspot).
  • 🛠️ Reset the network settings on your phone (Settings → System → Reset → Reset Wi-Fi, mobile network and Bluetooth).
💡

90% of broadcast problems are solved by rebooting the router and updating the TV firmware.

FAQ: Frequently asked questions

Is it possible to stream YouTube from a phone to a TV without Wi-Fi?

Yes, there are two options:

  1. Wired connection via HDMIadapter (a cable is required USB-C/HDMI).
  2. Wi-Fi Direct: some TVs (Samsung, LG) support direct connection to the phone without a router. Enable Wi-Fi Direct in the TV settings and connect to it as an access point.
Why YouTube Premium is not broadcast on TV?

Some videos marked Premium or Members-only block external broadcast on politics YouTubeSolutions:

  • Use screen duplication (Smart View or Miracast).
  • Connect your phone to the TV via HDMI.
  • Start the video on the TV directly (via the app YouTube on Smart TV).
How to stream YouTube to an old TV without Smart functions?

Options for TVs without Wi-Fi i HDMI:

  • 📼 Use set-top box (Android TV Box, Apple TV, Fire Stick).
  • 📡 Connect Chromecast or Miracast adapter to the port HDMI.
  • 📼 If not HDMI, use composite adapter (USB-C → RCA) and connect to the connectors AV (the quality will be lower).
Is it possible to stream YouTube in 4K via a phone?

Yes, but with reservations:

  • 📶 For wireless broadcasting you need a router with Wi-Fi 6 (802.11ax) and a TV with support for 4K@60Hz.
  • 📱 The phone must support output 4K via HDMI (for example, Samsung Galaxy S21+, Google Pixel 6 Pro).
  • 🔌 For stable 4K it is better to use wired connection via USB-C → HDMI 2.0.

If the video is broadcast in low quality, settings YouTube on your phone select Quality → 2160p (4K).

Why is the broadcast interrupted every 5-10 minutes?

This is a typical problem when:

  • 📶 Weak Wi-Fi signal: move the router closer to the TV or use 5 GHz.
  • 🔋 Energy saving on your phone: turn off the mode Adaptive battery in the settings.
  • 🔄 IP address conflict: reboot the router or assign a static IP for your phone and TV.

If the problem persists, try broadcasting via LocalCast or HDMI.