How to connect a Samsung phone to a TV via Wi-Fi: all the methods + troubleshooting

Modern televisions Samsung and smartphones based on Android They allow you to stream content from your mobile device to a larger screen wirelessly. But how do you do this correctly if you only have Wi-Fi? Many users encounter problems: the TV doesn't detect the phone, the image lags, or the sound disappears. In this article, we'll look into it. all current connection methods — from standard Smart View to alternative protocols like Miracast And DLNA.

We won't limit ourselves to basic instructions: you'll learn how to fix common errors (such as code 0x80070005 or The device is not supported), what settings optimize the quality of the broadcast, and why it is sometimes better to use USB-C → HDMI instead of Wi-Fi. We'll also compare the speed and latency of different methods in the table.

If your TV was released before 2016, some features may not be available. Samsung regularly updates firmware, but older models (series J, H, F) often don't support modern protocols. Check your TV model in the menu. Settings → Support → About TV.

1. Preparation: What to check before connecting

Before attempting to connect your phone and TV, make sure both devices meet the minimum requirements. This will save you time and frustration.

On the phone side:

• 📱 Android version: not lower than 6.0 (for Smart View) or 4.2 (for Miracast). On Samsung Galaxy S22 and newer all functions work "out of the box", and on older models (for example, Galaxy J5 2016) a software update may be required.
• 🔋 Battery charge: at least 30%. Wi-Fi streaming consumes a lot of energy—if the battery is low, the phone may automatically disconnect.
• 📶 Wi-Fi module: must support the standard 802.11ac (5 GHz) for stable video transmission in Full HDIf the router only works on 2.4 GHz, lags are possible.

On the TV side:

• 📺 Smart functions: there should be a TV Smart TV with support Screen Mirroring or AllShare (obsolete name for DLNA). Check the menu. Settings → General → External devices.
• 🔄 Firmware: the current version of the software. For example, on Samsung QLED 2020 for correct operation Smart View firmware version not lower than is required 1550.5.
• 🔌 Net: TV and phone must be connected to one Wi-Fi networkIf you use a mobile hotspot, enable it on your phone and connect your TV to this access point.

⚠️ Attention: If your TV is connected to the Internet via a cable (Ethernet) and your phone is connected via Wi-Fi, some functions (for example, DLNA) may not work. In this case, temporarily connect the TV to the same wireless network.

2. Method 1: Smart View (Official Samsung App)

Smart View - proprietary technology Samsung, which allows you to mirror your phone's screen to your TV with minimal lag. It works on most of the brand's devices, starting from Galaxy S8 And Samsung TV 2017.

How to connect:

1. Download the app SmartThings (replaced old Smart View) from Google Play.
2. Open the app and tap Devices → Add (the "+" icon).
3. Select your TV from the list. If it is not there, click Add manually and enter the model (eg UE55TU8000).
4. On your TV, confirm the connection by pressing Allow in the window that appears.
5. Return to the main menu SmartThings, select your TV and press Display on TV.

Advantages of the method:

• 🎮 Minimal latency (around 50ms) - suitable for gaming.
• 🔊 Transmits audio along with video (unlike some alternatives).
• 📱 Support for gestures and touch controls (for example, swipes in the gallery).

⚠️ Attention: On phones Samsung with shell One UI 5.0 and newer function Smart View It's built into the Quick Settings panel. To find it, swipe down from the top of the screen and look for the icon. Smart View (or Screen Mirroring).

3. Method 2: Screen Mirroring (Miracast) for universal devices

Miracast — is a wireless screen sharing standard that works not only on devices Samsung, but also on other brands. In televisions Samsung This function is called Screen Mirroring and is available on models from 2013 onwards.

Connection instructions:

1. On TV: Go to Settings → General → External devices → Screen Mirroring.
2. On your phone: open Settings → Connections → Screen Mirroring (or Smart View on older versions One UI).
3. Select your TV from the list of available devices.
4. Confirm the connection on TV by pressing Allow.

Peculiarities Miracast:

• 🔄 Works without the Internet - a direct connection between the phone and TV (Wi-Fi Direct) is sufficient.
• 🎬 Supports resolution up to 4K, but in practice it is often limited 1080p due to Wi-Fi bandwidth.
• ⚡ Higher latency (100-200ms) than Smart View.

If your TV doesn't appear in the list, try:

• 🔄 Restart both devices.
• 📶 Switch Wi-Fi on your phone from 2.4 GHz on 5 GHz (or vice versa).
• 🔧 Reset network settings on TV: Settings → General → Reset → Reset network settings.

Why might Miracast not work on new Samsung phones?

Starting from Galaxy S21 And One UI 4.0Samsung has limited its Miracast support in favor of its own Smart ViewIf your phone is new but you need the feature (for example, to connect to a non-Samsung TV), try third-party apps like ApowerMirror or LetsView.

4. Method 3: DLNA for transferring media files (photos, videos, music)

DLNA (Digital Living Network Alliance) is a protocol for transmitting media content between devices on a local network. Unlike Smart View or Miracast, it does not duplicate the screen, but only broadcasts selected files (videos, photos, music).

How to set up:

1. On TV: turn on DLNA on the menu Settings → General → External Devices → DLNA Devices.
2. On your phone: use the app Gallery or Music, select file → Share → Devices nearby → select your TV.
3. Alternative: Install the app BubbleUPnP for advanced DLNA control.

Supported formats:

DLNA doesn't mirror your entire screen—only individual files. For screen mirroring, use Smart View or Miracast.

5. Method 4: Google Cast (Chromecast) for streaming services

If you have Google Chromecast or TV Samsung with built-in support Google Cast (2020 models and newer), you can stream content from apps like YouTube, Netflix or Disney+.

How does this work:

1. Make sure your phone and TV are connected to the same Wi-Fi network.
2. Open a supported application (eg. YouTube).
3. Click the icon Cast (Wi-Fi screen icon) and select your TV.
4. The content will start playing on the TV, and you can use your phone for control (pause, volume).

List of supported applications Google Cast:

• 🎥 YouTube, Netflix, Disney+, Twitch
• 🎵 Spotify, Google Music, SoundCloud
• 📱 Google Photos, Chrome (for tab streaming)

⚠️ AttentionOn TVs Samsung 2019 and older Google Cast may work unstable due to a conflict with proprietary services. In this case, use Smart View or connect Chromecast separately.

6. Method 5: Third-party applications (ApowerMirror, LetsView)

If standard methods don't work (for example, on very old TVs or phones), third-party software can help. Let's look at two proven options:

1. ApowerMirror:

• 📱 Supports Android 5.0+ and televisions without Smart TV (through ApowerMirror TV).
• 🎮 Latency of about 100 ms is acceptable for movies, but not for games.
• 💰 Free version with watermarks, full version - ~$30/year.

Instructions:

1. Download ApowerMirror on the phone and ApowerMirror TV on the TV (if it's on Android TV).
2. Connect both devices to the same Wi-Fi network.
3. Launch the app on your phone and select your TV from the list.

2. LetsView:

• 🆓 Completely free, no watermarks.
• 📺 Works even with non-Smart TV through LetsView TV (needed) Android box).
• ⚡ Latency 150–200 ms.

Both applications allow you to:

• 🔊 Transmit audio along with video.
• 📱 Control your phone from the TV screen (in ApowerMirror).
• 📎 Take screenshots of the broadcast screen.

7. Solving common problems

Even with proper setup, errors can still occur. Let's look at the most common ones:

1. The TV doesn't detect the phone.:

• 🔄 Reboot your router—sometimes the DHCP server "forgets" devices.
• 📶 Make sure both devices are connected to the same network (not a guest network!).
• 🔧 Turn on the TV Device discovery in the network settings.

2. The image lags or tears:

• 📶 Switch to range 5 GHz (if the router is dual-band).
• 📵 Reduce the distance between your phone and the router/TV.
• 🔌 Disconnect other devices from Wi-Fi (especially torrents or online games).

3. There is no sound during broadcasting:

• 🔊 In Smart View Make sure the sound source is selected in the TV settings TV Speaker.
• 📱 Turn it off on your phone Do not disturb or Silent mode.
• 🔄 Reconnect your devices—sometimes the sound gets stuck on your phone.

4. Error 0x80070005 or The device is not supported:

• 📱 Update your phone and TV firmware.
• 🔧 Reset network settings on your TV: Settings → General → Network → Network Reset.
• 🔄 Try a different connection method (for example, DLNA instead of Smart View).

8. Comparison of methods: which one to choose

To determine the optimal option, let's evaluate the key parameters:

For most users Samsung the optimal choice would be Smart View — it combines low latency, easy connection, and support for most models. If you only need to stream videos from your gallery, it's enough. DLNAIt's more convenient for streaming services. Google Cast.

FAQ: Frequently Asked Questions

Is it possible to connect an iPhone to a Samsung TV via Wi-Fi?

Yes, but not through Smart View. Use AirPlay (on TVs 2018 and newer) or apps like ApowerMirror. You can also connect Apple TV or Chromecast to the TV and stream from your iPhone through them.

Why does the video lag even though the Wi-Fi is stable?

The reasons may be different:

• 📶 Network congestion (for example, someone is downloading torrents).
• 📱 Weak phone processor (on Galaxy J-series broadcast 1080p may lag).
• 🔌 Outdated TV firmware (update in the menu) Settings → Support → Software Update).

Solution: Reduce the broadcast resolution to 720p or connect your phone via cable USB-C → HDMI.

How to connect a phone to a Samsung TV without Wi-Fi?

There are three options:

1. USB cable: use an adapter USB-C → HDMI (for phones with support DisplayPort Alt Mode, For example, Galaxy S20+).
2. Wi-Fi Direct: turn on the TV Screen Mirroring, and on the phone - Wi-Fi Direct (in Wi-Fi settings).
3. DeX: if you have Galaxy Note or S20+, connect your phone to TV via Samsung DeX (requires cable or docking station).

Can I play mobile games on my TV via Wi-Fi?

Technically yes, but with some caveats:

• 🎮 For shooters (PUBG, Call of Duty) delay in Smart View (~50 ms) can be critical. It is better to use a cable.
• 📱 Touchscreen Games (Genshin Impact) will be inconvenient - you will have to control it from your phone while watching TV.
• 🎯 For strategies or RPGs (Honkai: Star Rail) Smart View will do.

For a comfortable game we recommend:

• Use a gamepad connected to your phone via Bluetooth.
• Mount the phone on the controller (for example, Razer Kishi).
• Connect via cable USB-C → HDMI for minimal delay.

How do I turn off screen sharing if my phone is frozen?

If your phone screen is unresponsive but the broadcast continues:

1. On TV: Press Source on the remote control and select another input (for example, HDMI).
2. On the router: turn off Wi-Fi for 10 seconds - the connection will be broken.
3. On your phone: Press and hold the power button + volume down for 10 seconds to force restart.

If the phone is connected via Miracast, you can disable the broadcast in the router settings by blocking the phone's MAC address.