Modern televisions Samsung and smartphones on Android support wireless synchronization Wi-Fi, which allows you to stream videos, photos, or even mirror your phone's screen to a larger screen wirelessly. However, many users encounter issues: the TV doesn't detect the phone, the connection constantly drops, or the picture lags. In this article, we'll cover all the current connection methods—from the standard Wi-Fi Direct to proprietary technologies Smart View And Miracast, and we'll also tell you how to fix common errors.
It is important to understand that the connection method depends on the TV model and version AndroidFor example, old ones Samsung Smart TV 2015-2017 may not be supported Miracast, and the new flagships of the series QLED Require a mandatory firmware update for stable operation. We've taken these nuances into account and compiled universal instructions that will work for most devices.
1. Preparing devices: what to check before connecting
Before attempting to connect your phone and TV, make sure both devices meet the minimum requirements:
- 📺 Samsung TV must support
Wi-Fi Direct,Screen MirroringorSmart ViewThis is relevant for models 2013 and newer (series F, H, J, K, MU, Q, LS, AU, CU). - 📱 Android smartphone should work on version 5.0 Lollipop and above. For
Miracastmay be required Android 6.0+. - 🔄 Both devices must be connected to one Wi-Fi network (for some methods) or be within range of each other (up to 10 meters).
- 🔋 Phone battery charge - not less than 30%, otherwise the system may block the broadcast to save power.
If your TV was released before 2013, check support DLNA — is an outdated protocol, but it still works for transferring media files (not the screen!). For models 2020 and newer (For example, QN90B or CU8000) advanced features like Tap View - bring your phone close to the TV for instant connection.
⚠️ Attention: On TVs Samsung with the operating system Tizen (all models since 2015) may require manual firmware update via menuSettings → Support → Software UpdateWithout the current version, some functionsScreen Mirroringwill not work.
| TV model | Supported protocols | Minimum Android version |
|---|---|---|
| Samsung F/J/H (2013–2015) | Wi-Fi Direct, DLNA |
4.4 KitKat |
| Samsung K/MU (2016–2018) | Wi-Fi Direct, Smart View, Miracast |
5.0 Lollipop |
| Samsung Q/RU (2019–2021) | Smart View, Tap View, AirPlay 2 |
6.0 Marshmallow |
| Samsung QN/CU (2022–2026) | Smart View, Wi-Fi 6, Google Cast |
8.0 Oreo |
2. Method 1: Wi-Fi Direct - a universal solution for all models
Wi-Fi Direct Wireless LAN is a technology that allows devices to connect directly without a router. It works even if you don't have home Wi-Fi, but the data transfer speed may be lower than when connected through a router.
Instructions for TVs Samsung:
- Press the button on the TV remote control
Source(orInput). - Select
Screen Mirroring(on older models -Wi-Fi Direct). - Open it on your phone
Settings → Connections → Wi-Fi → Wi-Fi Direct(on Samsung Galaxy the path may differ:Settings → Connections → Advanced → Wi-Fi Direct). - From the list of available devices, select the name of your TV (for example, Samsung-65QN90B).
- Confirm the connection on both devices.
If your TV doesn't appear in the list, try:
- 🔄 Restart both devices.
- 📶 Make sure your phone is turned on visibility mode for Wi-Fi Direct (in some firmware versions it turns off automatically after 2 minutes).
- 🔧 Reset network settings on your TV:
Settings → General → Reset → Reset network settings.
⚠️ Attention: On phones Xiaomi, Huawei or OnePlus menuWi-Fi Directmay be called differently:WLAN Direct,Fast transferorMiracastIf you can't find the item, use the search in the settings.
☑️ Check before connecting via Wi-Fi Direct
3. Method 2: Smart View – Samsung’s proprietary technology
Smart View - this is an application from Samsung, which allows you to not only mirror your screen but also control your TV from your phone (like a remote). It's pre-installed on all smartphones. Galaxy (starting from S6) and is available for download in Google Play for other brands.
Step-by-step instructions:
- Install the application SmartThings (it replaced Smart View in new versions) from Google Play.
- Open the app and tap
Add a device(icon+). - Select
TVand follow the on-screen instructions. The app will automatically find your Samsung TV on local network. - Once connected, click
Broadcast your screen(orScreen Mirroring).
Advantages Smart View:
- 🎮 Ability to use the phone as game controller for games on TV.
- 📁 View files from your phone on TV without transferring (photos, videos, music).
- 🔊 Control volume and channels from your smartphone screen.
If the app doesn't find your TV:
- 🔌 Make sure both devices are connected to one Wi-Fi network (not to the guest!).
- 📱 Update SmartThings to the latest version.
- 🔧 Turn on the function on your TV
Remote control:Settings → General → External devices → Remote control.
4. Method 3: Miracast – screen mirroring without lags
Miracast - is a wireless image transmission standard supported by almost all modern TVs Samsung (starting from 2016) and phones on Android 6.0+Unlike Wi-Fi Direct, it is optimized for screen streaming with minimal latency, which is important for games or videos.
How to connect:
- Open on your TV
Settings → General → External devices → Screen Mirroring. - Open it on your phone
Settings → Display → Screencasting(on Samsung Galaxy path:Settings → Connections → Screencasting). - Select your TV from the list.
- Confirm the connection on TV (you may be asked to enter a PIN code).
Peculiarities Miracast:
- 🎮 Supports game mode with a delay of up to 30 ms (on new models) QLED).
- 🔊 Transmits sound along with the image (unlike some analogues).
- 📶 Requires stable 5 GHz Wi-Fi signal to work without lags.
⚠️ Attention: On phones Samsung Galaxy S22+ and newer functionMiracastmay conflict withDeX(Desktop mode). If the broadcast does not start, turn it offDeXin the settings.
What to do if Miracast is not working?
If your TV doesn't support Miracast (older models), use an adapter Google Chromecast or Amazon Fire TV Stick into the HDMI port. They emulate Miracast and allow you to mirror your screen to any TV.
5. Method 4: Google Cast (Chromecast) - for streaming content
If you don't need to duplicate full screen, but only broadcast video from YouTube, Netflix or Google Photos, use Google CastThis method works on all TVs. Samsung With 2018 (and on older ones, if you connect Chromecast separately).
Instructions:
- Make sure your phone and TV are connected to the same Wi-Fi network.
- Open a supported application (eg. YouTube).
- Click on the icon
Cast(Wi-Fi screen icon in the upper right corner). - Select your TV from the list.
Applications that support Google Cast:
- 🎬 YouTube, Netflix, Disney+
- 🎵 Spotify, Google Music
- 📷 Google Photos, Gallery (on Samsung)
If the icon Cast not active:
- 🔄 Reconnect your TV to Wi-Fi.
- 📱 Update the app you're trying to stream from.
- 🔧 Turn on the TV
Google Play Services(if supported):Settings → Apps → Google Play Services → Enable.
6. Method 5: USB cable (Wi-Fi alternative)
If wireless methods don't work (for example, due to a weak Wi-Fi signal), you can connect your phone to your TV via USB cableThis method is suitable for viewing photos/videos, but not for screen mirroring.
What you will need:
- 🔌 Cable USB-Type C or Micro-USB (depending on the phone connector).
- 📺 TV Samsung with port
USB(supportsMTPorPTP).
Instructions:
- Connect your phone to the TV using a cable.
- On your phone, select the mode
File transfer(orMTP) in the connection notification. - Open on your TV
Source → USB. - Select files to play.
Limitations of the method:
- ❌ Does not support screen sharing (media files only).
- ❌ Not all video formats are played (for example,
.mkvmay not open). - ⚡ The phone will drain faster due to the simultaneous transfer of data and the screen being on.
7. Common mistakes and their solutions
Even with a proper connection, problems can still arise. We've compiled a list of the most common errors and how to fix them:
| Error | Cause | Solution |
|---|---|---|
| The TV is not visible in the list of devices | Disabled Screen Mirroring on TV |
Turn it on Settings → General → External devices |
| The connection is broken after 10-30 seconds | Weak Wi-Fi signal or interference | Switch to range 5 GHz or bring the devices closer |
| Sound is transmitted, but the image is not. | Conflict with DeX or Game Mode |
Disable these modes in your phone settings. |
| Lags and slowdowns during broadcasting | Slow Wi-Fi speed or high network load | Disconnect other devices from the network or use Wi-Fi Direct |
| Application Smart View gives an error | Outdated TV firmware | Update your TV software via Settings → Support → Software Update |
If none of the methods work, check:
- 🔧 Firewall settings on the router (sometimes it blocks
Wi-Fi Direct). - 📱 Developer mode on the phone: if enabled
Do not save actions, the broadcast may not start. - 📺 Resetting Smart Hub on TV:
Settings → Support → Self-diagnosis → Reset Smart Hub.
⚠️ Attention: On some firmware versions Android 13+ (For example, Samsung One UI 5.1) functionScreen Mirroringmay conflict withLink to WindowsDisable PC sync before connecting to TV.
8. Comparison of methods: which one to choose?
Each connection method has its pros and cons. The choice depends on your needs:
- 🎥 To view movies/photos:
Google CastorSmart View. - 🎮 For games:
Miracast(minimal lags) orUSB cable(if the game supports gamepad). - 📱 To duplicate your screen:
Wi-Fi DirectorSmart View. - 🔌 If Wi-Fi is unstable:
USB cableorHDMI adapter.
On Samsung TVs from 2023–2026 (QN90C, CU7000 series and later), we recommend using Smart View with Wi-Fi 6 protocol, which ensures stable streaming in uncompressed 4K resolution.
If you frequently stream content, consider purchasing Google Chromecast 4K or Nvidia Shield TV — these devices support all modern protocols and operate more reliably than built-in TV modules.
FAQ: Frequently Asked Questions
Is it possible to connect an iPhone to a Samsung TV via Wi-Fi?
Yes, but not all methods work. For iPhone available:
AirPlay 2(on TVs Samsung 2018 and newer).Google Cast(through apps like YouTube).HDMI adapter(For example, Lightning to HDMI).
Wi-Fi Direct And Smart View are not supported on iPhone.
Why does the video slow down when broadcasting, but the sound is fine?
This problem is related to:
- Low Wi-Fi speed (less than 50 Mbps).
- Network overload (many devices connected to the router).
- Video codecs (eg
HEVCmay not be supported by your TV).
Solution: Switch to Wi-Fi Direct or reduce the broadcast resolution in the settings Smart View.
How to connect a phone to a Samsung TV without Wi-Fi?
There are three options:
Wi-Fi Direct(does not require a router).USB cable(for media files only).HDMI adapter(For example, USB-C to HDMI for screen duplication).
For Miracast And Smart View Wi-Fi is required.
The TV says "Device not supported." What should I do?
This error occurs if:
- The phone is too old (for example, Android 4.4 and below).
- The TV is not updated (firmware required).
- The mode is on
Game ModeorDeXon the phone.
Solution: Update the software on your TV and phone, then restart both devices.
Is it possible to control a TV with a phone as a remote control?
Yes, for this:
- Install the application SmartThings.
- Connect your TV to the app (as in method 3).
- Use the virtual remote control in the section
Remote control.
The function works even if the phone is not connected to the same Wi-Fi network (via the cloud) Samsung).