Stream video from your phone to a big TV screen Samsung Wi-Fi is a convenient way to enjoy content without the hassle of wires. However, not all users know that there are several methods for this: from built-in functions Smart View to universal protocols like Miracast or Google CastThe method you choose depends on your TV model, smartphone operating system, and even firmware version.
In this article, we'll cover all the current wireless repeater options—from the simplest to alternative solutions for older models. You'll learn how to set up a connection on Android And iPhone, the most common connection errors, and how to avoid them. We'll also compare the transfer speed and image quality of each method so you can choose the best one.
1. Preparing your phone and TV for retransmission
Before you begin setup, make sure both devices meet the minimum requirements. TV Samsung must support at least one of the wireless transmission technologies: Smart View (for 2016 and newer models) Miracast (standard for most modern TVs) or DLNA (for viewing media files). On your smartphone, check:
- 📱 Android 5.0+ (For Smart View or Miracast) or iOS 12+ (For AirPlay 2, if TV supports it)
- 🔄 Enabled Wi-Fi And Bluetooth (some protocols require both)
- 🔋 Battery charge at least 30% (relaying drains the phone quickly)
- 📶 One Wi-Fi network for your phone and TV (if you use a local network)
Pay special attention to the firmware version of your TV. For example, Samsung QLED 2020–2023 requires an update to Tizen 5.5+ for stable operation Smart ViewYou can check the software's relevance in the menu Settings → Support → Software UpdateIf your TV hasn't been updated for years, some features may be missing.
⚠️ Warning: On TVs Samsung series J (2015 and older) may not be supported MiracastIn this case, use DLNA or external devices such as Chromecast.
2. Method 1: Smart View (built-in Samsung function)
Smart View - proprietary technology Samsung, which allows you to mirror your smartphone's screen to your TV without any additional devices. It works on most models, starting with 2016, and supports both Android, and iOS (with limitations). The main advantage is minimal lag when watching videos and playing games.
To activate Smart View:
- Open on your TV
Settings → General → External devices → Connection device → Smart View. - On a smartphone Android Pull down the notification shade and tap on the icon Smart View (or find it in
Settings → Connections → Smart View). - Select your TV from the list of available devices. Samsung.
- Confirm the connection on both devices (you may be asked to enter a PIN).
For iPhone the procedure is different: use the app SmartThings (available in App Store). Once connected, you will only be able to stream photos, videos, and music. Screen mirroring is not supported on iOS..
☑️ Smart View pre-connection check
⚠️ Attention: When retransmitting via Smart View on TVs with a resolution4Kautomatic quality downgrade is possible1080pto reduce delays.
3. Method 2: Miracast (universal protocol for Android)
Miracast — is a wireless screen sharing standard supported by most modern devices. Unlike Smart View, it is not tied to a brand, but requires that both the phone and TV have the appropriate modules. Samsung TV the function is called Screen Mirroring and is available in the menu Settings → General → External devices.
Instructions for Android:
- 📱 Open it on your phone
Settings → Connections → Screen Mirroring(on some models -Transmit to TVorCast). - 🖥️ Activate on your TV
Screen Mirroringin the settings. - 🔍 In the list of devices on your phone, select yours Samsung TV.
- ✅ Confirm the connection (you may need to enter the PIN code from the TV screen).
Miracast works without the internet—devices create a direct access point Wi-Fi DirectThis is a plus for areas with poor signal, but the downside is that your phone won't be able to use the internet while broadcasting. Also, pay attention to delay of 50–150 ms - This is enough for videos, but not enough for dynamic games.
| Parameter | Smart View | Miracast |
|---|---|---|
| iOS support | Partially (media only) | No |
| Internet access required | Yes (one network) | No |
| Max. permission | 1080p (4K downsampled) | 1080p |
| Latency (ms) | 30–80 | 50–150 |
4. Method 3: Google Cast (Chromecast and built-in support)
Technology Google Cast was originally developed for devices Chromecast, but many TVs Samsung (starting from 2018) support it natively. Unlike Miracast, here the content is broadcast not from the phone screen, but directly from applications (for example, YouTube, Netflix, Google Photos). This reduces the load on the phone and improves quality.
How to use Google Cast:
- Make sure your phone and TV are connected to the same Wi-Fi network.
- Open a supported application (eg. YouTube).
- Tap on the icon Cast (usually in the upper right corner).
- Select yours from the list Samsung TV.
- Start the video - it will play on your TV and you can use your phone to control it.
If your TV does not support Google Cast natively, buy an adapter Chromecast (connects to the port HDMI). It costs less than a smart set-top box and works with all TVs. The main advantage of this method is no delays, since the content is streamed directly from the internet, not from a phone.
What apps support Google Cast?
The list includes YouTube, Netflix, Disney+, Spotify, Google Photos, VLC, Twitch, and many others. The full list can be found on Google's website.
5. Method 4: DLNA for viewing media files
DLNA (Digital Living Network Alliance) is a protocol for transferring media files (video, music, photos) over a local network. Unlike previous methods, it doesn't mirror the screen, but only streams selected files. It's suitable for older TVs. Samsung (series E, F, J) or if you need to show vacation photos on the big screen.
How to set up DLNA:
- 📁 Install a media server application on your phone, for example BubbleUPnP (Android) or Media Server (iOS).
- 🖥️ Open on your TV
Sources → Devices → [Name of your phone]. - 🎬 Select a file to play.
Cons DLNA:
- ❌ No screen duplication - only individual files.
- ❌ Not all video formats are supported (for example,
MKVmay not be playable). - ❌ Delay when scrolling video (buffering).
For iPhone The setup is more complicated: you will need third-party software like TV Assist or AllCast, because Apple does not support DLNA natively.
6. Method 5: Alternative solutions (for older models)
If your TV Samsung Released to 2015 and does not support any of the listed methods, there are workarounds:
- 📦 HDMI adapter (For example, Microsoft Wireless Display Adapter) - connects to the port
HDMIand creates an access point Miracast. - 🖥️ Android TV set-top box (For example, Xiaomi Mi Box) - adds support Google Cast And Miracast.
- 🔌 MHL cable (for older smartphones with a port
Micro-USB) - transmits a signal via a wire, but requires power from USB.
The most universal option is a set-top box Android TVIt not only solves the relay problem, but also adds a modern interface with support Netflix, YouTube and other services. Prices start from 3,000 rubles, which is cheaper than buying a new TV.
⚠️ Attention: When using external adapters (eg. Chromecast or Miracast-dongle) Make sure they support your TV's resolution. Some budget models are limited 720p.
7. Common mistakes and their solutions
Even with proper setup, the connection may not work. Here are common issues and how to fix them:
| Problem | Possible cause | Solution |
|---|---|---|
| The TV does not appear in the list of devices | Different Wi-Fi networks or disabled Smart View/Miracast on TV | Check your network, reboot your router, and enable the feature in your TV settings. |
| The video is lagging or slowing down | Weak Wi-Fi signal or high network load | Connect to the network 5 GHz, disconnect other devices from Wi-Fi |
| No sound during broadcast | A different audio output is selected on the phone (for example, Bluetooth headphones) | Turn off all Bluetooth devices and check the volume on your TV. |
| Black screen on TV | Permissions are incompatible or power saving mode is enabled on your phone. | Set your phone's screen resolution to 1080p, turn off power saving |
If none of the methods worked, check:
- 📶 Wi-Fi signal quality (use the app Wi-Fi Analyzer for interference analysis).
- 🔄 Firmware updates for TV and phone.
- 🛠️ Router settings (disable
AP Isolation, if it is enabled).
FAQ: Frequently Asked Questions
Is it possible to mirror your iPhone screen to a Samsung TV without an Apple TV?
Yes, but with restrictions. Televisions Samsung 2018 and newer support AirPlay 2, which allows you to stream media files (videos, photos, music) from iPhone. Full screen duplication (mirroring) is only possible with Apple TV or through third-party applications like ApowerMirror (requires connection to the same network).
Why does video lag when relaying over Wi-Fi?
The reasons may be different:
- Weak Wi-Fi signal (change frequency)
5 GHzor move the router closer). - High video bitrate (try lowering the quality in the player settings).
- Interference from other devices (turn off the microwave, wireless headphones).
- The TV firmware is outdated (update the software via
Settings → Support).
If the problem persists, use a wired connection via HDMI or adapter Miracast.
How to mirror your phone's screen to Samsung TV via USB?
Live broadcast on USB no, but you can use:
- MHL adapter (for phones with
Micro-USBand TVs with supportMHL). - USB-C to HDMI (for modern smartphones with a port
USB-C). - DeX Mode (on flagships Samsung Galaxy — connection via
USB-Cgives access to the desktop on TV).
For simple viewing of videos it is easier to use USB drive: copy the file to a flash drive and play it via the port USB on TV.
What is the maximum resolution supported for retransmission?
It depends on the method:
- Smart View: to
1080p(on4K-there may be a decrease in TVs). - Miracast: to
1080p(depending on the phone model). - Google Cast: to
4K(if content supports). - HDMI adapter: to
4K@60Hz(when usingUSB-C to HDMI).
For 4K-it is better to use a wired connection for video or Google Cast (if the content is streamed from the internet).
Is it possible to play mobile games on TV via recasting?
Technically yes, but with some caveats:
- Smart View And Miracast give a delay
50–150 ms, which is critical for shooters or racing games. - For games it is better to use
HDMI adapter(delay<20 ms). - Some games (eg. PUBG Mobile or Call of Duty) block screen retransmission.
An alternative is cloud services like GeForce NOW or Xbox Cloud Gaming, which broadcast the game directly to your TV via Google Cast.