How to Sync a Samsung Phone to an LG TV via Wi-Fi: 5 Proven Methods

Modern televisions LG and smartphones Samsung support wireless synchronization Wi-Fi, but not all users know how to set up this connection correctly. Screen mirroring, video streaming, or viewing photos from your phone on a larger screen are all possible wirelessly, but they require proper configuration of both devices. The main problem is that Samsung And LG They use different protocols for wireless data transmission, and their menu interfaces differ significantly.

In this article we will look at all current synchronization methods — from standard Miracast to proprietary solutions like Smart Share And Screen MirroringYou'll learn how to connect via a router or directly (Wi-Fi Direct), what settings you need to change on your phone and TV, and how to troubleshoot common errors like "device not found" or "no sound when streaming." We'll pay special attention to compatibility issues—not all models are compatible. Samsung Galaxy work equally well with TVs LG OLED or NanoCell, and we'll explain why.

If you've tried connecting before and encountered problems, don't rush to blame the technology. In 80% of cases, errors are related to incorrect network settings, outdated firmware versions, or protocol conflicts. For example, LG actively promotes its LG ThinQ, A Samsung — SmartThings, and these ecosystems don't always play nicely with each other. We'll show you how to overcome these limitations and make devices "understand" each other.

1. Preparing devices: what to check before connecting

Before you start syncing, make sure both devices are ready for a wireless connection. Let's start with basic requirements:

• 📱 Samsung smartphone: must support Miracast (most models with Android 5.0+) or Smart View (Samsung's proprietary solution). Check the settings section. Connections → Additional Features → Screen Mirroring.
• 📺 LG TV: support needed Wi-Fi Direct or DLNAOn models with webOS 3.0+ (2016 and newer) this works out of the box. Older TVs may require an external adapter (e.g. LG AN-WF100).
• 🌐 Wi-Fi network: Both devices must be connected to one network (if you use a router) or be within range Wi-Fi Direct (for direct connection).

Pay special attention firmware versionsOn TVs LG update webOS through Settings → Support → Software UpdateOn smartphones Samsung check the relevance Android and a branded application SmartThings V Settings → Software UpdateOutdated versions often cause problems with video or audio streaming.

⚠️ Attention: On TVs LG 2015 and later (series LB, LF) support may be missing MiracastIn this case, use DLNA to transfer media files or purchase an external adapter.

Also check screen resolution on both devices. If the phone supports Full HD (1920×1080), and the TV is 4K (3840×2160), artifacts are possible when duplicating the screen. In the settings Screen Mirroring on Samsung You can select the resolution manually (optional) Optimize for TV).

Make sure your TV and phone are connected to the same Wi-Fi network.

Update firmware on your LG TV (webOS 5.0+ recommended)

Check Miracast support on your Samsung smartphone (Settings → Display → Screen Mirroring)

Disable VPN and firewalls on your phone (they may be blocking the connection)

Charge your phone to at least 50% (streaming drains the battery quickly) -->

2. Method 1: Screen Mirroring (Miracast) – screen duplication without a router

Miracast — is a universal wireless screen sharing protocol supported by virtually all modern devices. Its main advantage is no router needed: the phone and TV are connected directly Wi-Fi DirectHowever, this method has limitations:

• 🎮 Image lag up to 100 ms (not suitable for gaming).
• 🔊 Sound It is not always transmitted (depending on the TV model).
• 📶 Distance The distance between devices should not exceed 5–7 meters.

To connect:

1. On TV LG open Settings → Network → Wi-Fi Direct (or Screen → Screen Share on webOS 4.0+).
2. On a smartphone Samsung go to Settings → Connections → Screen Mirroring (or Quick Settings → Smart View).
3. Select your TV from the list of available devices. LGConfirm the connection on both devices.

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

• 🔄 Restart both devices.
• 📵 Temporarily disable Bluetooth on your phone (it may interfere with Wi-Fi Direct).
• 🔧 Turn on the option on your TV Device discovery in the settings Screen Share.

⚠️ Attention: On some models Samsung Galaxy S22/S23 function Smart View can automatically switch to Google Cast, if detected on the network ChromecastTo force the use of Miracast, turn off all devices Google from your Wi-Fi network.

3. Method 2: Smart Share (DLNA) – transfer photos, videos, and music

If you don't need to duplicate the screen, but only need to transfer media files (photos, videos, music), use the protocol DLNAIt works via a local network and is supported by all TVs. LG With webOS and smartphones Samsung on Android.

Setup instructions:

1. On TV LG open the application Smart Share (or Settings → Network → Home Network → Smart Share).
2. On a smartphone Samsung install the application Samsung SmartThings or use the built-in Media player (in the gallery, select a file → Share → Nearby devices).
3. Select your TV from the list of devices LGFiles will start streaming automatically.

Advantages DLNA before Miracast:

• 🎵 Playlists and background music playback are supported.
• 📂 You can transfer entire folders of photos/videos.
• 📶 Works more stably at longer distances (up to 10 meters).

Restrictions:

• 🚫 You can't broadcast your entire screen (only individual files).
• 🎬 Not all video formats are supported (for example, MKV may not be playable).

How to convert videos for Smart Share?

If your TV LG The file doesn't play, use free converters like HandBrake or VLCOptimal settings for Smart Share:

- Format: MP4

- Video codec: H.264

- Resolution: not higher 1920×1080 (even if the TV supports 4K)

- Bitrate: up to 10 Mbps (otherwise lags are possible).

4. Method 3: Google Cast (Chromecast) - an alternative for new models

If your TV LG supports Google TV or Android TV (2022 models and newer), you can use Google Cast - a technology similar to ChromecastThis method is convenient for broadcasting from applications like YouTube, Netflix or Google Photos.

How to set up:

1. Make sure your TV and phone are connected one Wi-Fi network.
2. On TV LG turn on the option Settings → Connections → Google Cast (or Miracast and Google Cast on webOS 6.0+).
3. On a smartphone Samsung open the application (for example, YouTube) and click the icon Broadcast (usually in the upper right corner).
4. Select your TV LG from the list.

Advantages Google Cast:

• 🎮 Minimal latency (suitable for gaming via Google Stadia or Xbox Cloud Gaming).
• 🔊 Sound is always transmitted (unlike Miracast).
• 📱 You can continue to use your phone while broadcasting.

⚠️ Attention: On TVs LG With webOS 5.0 and older Google Cast may not work stably due to manufacturer limitations. In this case, use Miracast or DLNA.

Important: If you have a TV LG OLED C1/C2 or newer, check your settings Settings → All settings → Connections → Nearby devicesHere you can manually add a smartphone. Samsung as a trusted device, which will eliminate problems with automatic connection.

5. Method 4: LG ThinQ app – a proprietary solution for the LG ecosystem

Company LG developed my own application LG ThinQ, which allows you to control your TV from your phone, stream content, and even use your smartphone as a remote. Although the app is device-specific LG, it is also compatible with phones Samsung.

How to use:

1. Download LG ThinQ from Google Play on your own Samsung.
2. Register or log in with your account LG (can be used Google or Facebook).
3. Turn on the option on your TV Settings → General → LG ThinQ → Mobile Device Connection.
4. In the app, click Add a device and select your TV.

Possibilities LG ThinQ:

• 📺 Screen mirroring (analogue Miracast, but with better stability).
• 🎵 Media broadcast from the phone gallery.
• 🎮 Game mode with reduced latency.
• 🔧 Remote control TV (like a remote control).

Flaws:

• 📱 The app may slow down on older smartphones Samsung (to Galaxy S8).
• 🔒 Requires account registration LG (without it, not all functions are available).

6. Method 5: Direct connection via Wi-Fi Direct (without a router)

If you don't have a home router or want to connect while traveling (for example, in a hotel), use Wi-Fi DirectThis method creates a direct network between the phone and the TV.

Step-by-step instructions:

1. On TV LG open Settings → Network → Wi-Fi Direct and enable the option.
2. On a smartphone Samsung go to Settings → Connections → Wi-Fi → Wi-Fi Direct.
3. Select your TV from the list of available devices. LG.
4. Confirm the connection on both devices (you may be asked to enter a PIN).
5. After connecting, use Screen Mirroring or Smart Share for broadcast.

Peculiarities Wi-Fi Direct:

• 🔗 The connection is working only between two devices (You cannot connect a phone and a laptop at the same time).
• 📶 The data transfer speed is lower than through a router (lags are possible when watching videos in 4K).
• 🔋 Quickly drains the phone's battery (due to the Wi-Fi module being constantly on).

If the connection is broken:

• 🔄 Restart both devices.
• 📵 Make sure there are no physical barriers (walls, furniture) between the phone and the TV.
• 🔧 Turn off the power saving mode on your TV (Settings → General → Eco Mode).

7. Common mistakes and their solutions

Even with proper setup, users often encounter problems. Let's look at the most common errors and how to fix them:

If none of the methods work, check:

• 🔄 Firmware updates on both devices.
• 🛡️ Firewall settings on the phone (sometimes it blocks data transfer).
• 📡 Wi-Fi channel on the router (switch from Auto on Channel 6 or 11 for stability).

⚠️ Attention: On TVs LG With webOS 3.0–4.0 (2016-2018) may not support modern Wi-Fi security protocols (e.g. WPA3). If your router uses WPA3, temporarily switch to WPA2-PSK in the router settings.

8. Comparison of synchronization methods: which one to choose?

To make your decision easier, we've compiled a comparison table of all connection methods:

Recommendations for selection:

• 🎬 For watching movies better to use DLNA or Google Cast (less lags).
• 🎮 For games will do Google Cast or LG ThinQ (minimal delay).
• 📱 For screen mirroring (show photo, presentation) — Miracast or Wi-Fi Direct.
• 🔧 For TV control (like a remote control) - LG ThinQ.

FAQ: Frequently asked questions about Samsung and LG syncing

❓ Why can't my LG TV see my Samsung phone via Screen Mirroring?

There may be several reasons:

• 📵 The devices are connected to different Wi-Fi networks (even if you use Wi-Fi Direct, make sure that discovery mode is enabled on the TV).
• 🔄 It's disabled on the phone Miracast (check in Settings → Connections → Additional Features).
• 📱 The TV is in power saving mode, which turns off the Wi-Fi module (turn it off in Settings → General → Eco Mode).

Also try rebooting both devices and reconnecting.

❓ Is it possible to mirror a Samsung screen to an LG device via mobile internet (4G/5G)?

No, for Screen Mirroring And Wi-Fi Direct A local network (Wi-Fi) is required. However, you can:

• 📶 Share Wi-Fi from your phone (Settings → Connections → Hotspot & Tethering) and connect the TV to this network.
• 📁 Use DLNA for file transfer (but not screen mirroring).

Suitable for streaming video via mobile internet Google Cast, if your TV supports this function.

❓ Why does video lag when streaming via Smart Share?

This is related to:

• 📶 Weak Wi-Fi signal (check your network speed via Speedtest).
• 📹 High definition video (convert files to 720p or 1080p instead of 4K).
• 🔄 Conflict with other devices on the network (disconnect unnecessary gadgets from Wi-Fi).

Also try:

• Switch the Wi-Fi channel on the router (with Auto on 6 or 11).
• Use cable Ethernet to connect the TV to the router (if supported).

How do I stream audio from a Samsung phone to an LG TV without video?

To transmit audio only, use:

• 🎵 Bluetooth: connect your phone to your TV as a wireless speaker (Settings → Sound → Bluetooth on TV).
• 🔊 Google Cast: in applications like Spotify or YouTube Music Select TV as the playback device.
• 📱 LG ThinQ: The app has an option to transmit audio only.

Please note: Miracast And Screen Mirroring always transmit both video and audio.

❓ Can I control my LG TV with my Samsung phone as a remote?

Yes, for this:

• 📱 Install the application LG ThinQ or Samsung SmartThings.
• 🔗 Connect your phone and TV to the same Wi-Fi network.
• 🎮 In the app, select your TV and use the virtual remote.

You can also use Infrared port (if it is on the phone) with applications like AnyMote.