Modern technologies make it possible to transform simple smartphone viewing into a comprehensive home entertainment experience using wireless connectivity. Owners of Samsung and LG devices often wonder how to display their mobile device's screen on a larger display without the need for unnecessary cables. This is possible thanks to built-in modules. Wi-Fi Direct and technology Miracast, which are supported by most current models.
Successful synchronization doesn't require complex router settings or additional hardware if both devices are on the same local network. Data transfer occurs directly between devices, ensuring minimal latency and high image quality. Below, we'll cover all available connection methods in detail, from standard system functions to specialized apps.
It is worth noting that the stability of the connection directly depends on the version of the operating system. Android on your phone and TV firmware. Before starting the procedure, make sure both devices are updated to the latest available version to avoid any possible software conflicts.
Preparing equipment and network
The first and most important step is to ensure a stable network environment. Both devices, including the smartphone, Samsung, and TV LG, must be connected to the same Wi-Fi network. If the router supports dual-band mode, it's recommended to use the 5 GHz frequency to transmit high-resolution video.
Check if the wireless module is enabled on your TV. To do this, press the settings button on the remote control and go to the section All Settings → NetworkThe connection status should show "Connected." Also, enable Wi-Fi on your phone and make sure the device can see your home network.
⚠️ Note: If your router has a "Guest Network" feature or client isolation, devices may not be able to see each other. For proper operation of the technology, DLNA And Miracast It is necessary that both gadgets are in the main network without access restrictions.
It's also recommended to disable power saving mode on your smartphone during setup, as aggressive battery optimization can block background processes searching for available displays. This is especially true for Samsung models with the Android OS. One UI, where power saving settings can be quite strict.
Make sure your TV has the "detection of external devices" feature enabled. This is often called "detection of external devices" in LG menus. Connecting a mobile device or Smart ShareWithout activating this option, the TV will be hidden from your smartphone's search, and you will not be able to complete the pairing.
Using Smart View on Samsung
The most common and convenient way to broadcast an image is the built-in function Smart ViewIt allows you to mirror your smartphone's screen to your TV in real time. To launch, pull down the notification shade on your Samsung phone and find the icon. Smart View (sometimes it may be called "Broadcast" or "Connect to Device").
Once enabled, your phone will begin scanning for available devices on the network. Your LG TV should appear in the list. Tap its name, and a connection confirmation prompt may appear on the TV screen. Use your remote to select "Allow" or enter the code if displayed.
⚠️ Please note: The quality of the streamed image may be reduced if there is interference in the airwaves or if the router is located far from the TV. For viewing 4K movies, we recommend using a wired connection or local file playback.
Function Smart View Supports not only full screen mirroring but also the playback of individual media files. You can launch a video in the gallery or video player, press the cast button, and select the TV as the target device. In this case, the phone will act as a remote control, and the TV will decode the video itself.
If your TV doesn't appear in the list of devices, try restarting both devices. Also, check if your phone is in Do Not Disturb mode or has other profiles enabled that could restrict app network activity.
☑️ Check before connection
Setting up Wi-Fi Direct on an LG TV
Technology Wi-Fi Direct Allows you to create a direct connection between your phone and TV without a router. This is especially useful if your router doesn't support the necessary protocols or if you're in a location without access to the main network.
To activate the mode on your LG TV, go to the menu All Settings → Connection → Wi-Fi DirectEnable this feature if it's disabled. The TV will begin searching for available devices or become visible for searching. The device name and, in some cases, the pairing PIN may be displayed on the screen.
On your Samsung smartphone, go to the connection settings and select Wi-Fi → Wi-Fi Direct (The path may vary depending on your Android version.) Your phone will find your LG TV in the list of available devices. Tap the TV's name to begin pairing.
| Parameter | Description | Recommendation |
|---|---|---|
| Frequency | 2.4 GHz / 5 GHz | Use 5 GHz for video |
| Protocol | Miracast / DLNA | Miracast for screen, DLNA for photos |
| Security | WPA2 | Be sure to use encryption |
| Delay | Low / Medium | Depends on the router's power |
Once successfully connected, the devices can exchange data directly. However, keep in mind that using Wi-Fi Direct may temporarily disable your phone's internet connection if it doesn't support both modes.
What to do if the connection is lost?
If your connection is constantly dropping, try changing the Wi-Fi channel on your router. Congestion from neighboring networks can cause interference. Also, make sure there are no thick concrete walls or metal structures between your TV and the router.
LG TV Plus app for control and streaming
Official app LG TV Plus (or its newer versions, such as LG ThinQ) provides advanced TV control capabilities from your phone. It allows you to not only stream content but also use your smartphone as a fully functional remote control with a keyboard for text input.
Download the app from the store Google Play and launch it. The program will automatically scan the network and offer to connect to your LG TV. To confirm the pairing, a code will appear on the TV screen that you must enter in the app. This ensures protection against unauthorized access.
The key advantage of using the application is the ability to transfer files of specific formats (photos, videos, music) without duplicating the entire smartphone screen. You can select a gallery in the app, select the files you want, and send them to the big screen while continuing to use your phone for other tasks.
The app interface features a "Media Player" section that supports various file formats. If the TV's built-in player doesn't support a certain video format, the app can transcode it on the fly, streaming the finished video to the screen.
The app also lets you quickly switch between signal sources, adjust the volume, and launch streaming services installed on your TV. This makes control even more convenient, especially if you've lost the original remote.
Stream via Chromecast built-in
Many modern LG TVs come with built-in support for the technology. Chromecast (or compatible with it via the Cast protocol). This allows you to stream content from apps that support this feature, such as YouTube, Netflix, Google Photos, and others.
To start casting, open the supporting app on your Samsung phone. Find the casting icon (the rectangle with Wi-Fi waves in the corner). Tap it and select your LG TV from the list. The content will start playing on the TV, controlled from your phone.
This method is different from Miracast The phone acts only as a remote control, while the TV downloads the video stream directly from the internet. This reduces the load on the smartphone's processor and saves battery life.
⚠️ Important: For Chromecast to work, both devices must be connected to the same Wi-Fi network. If you have a dual-band router, make sure your phone and TV are connected to the same frequency (for example, both to 2.4 GHz or both to 5 GHz), as some router settings may prevent devices on different frequencies from seeing each other.
If the casting icon doesn't appear, check your app settings. In some cases, you'll need to sign in to the same Google account on both your phone and TV (if your TV runs Android TV or has Chromecast built-in).
Troubleshooting connection issues
Despite the simplicity of the technology, users may encounter difficulties with setup. Often, the problem lies in outdated software. Check for TV updates in the menu. All Settings → Support → Software Update.
If your TV isn't visible in the list of devices, try resetting the network settings on both devices. On the TV, you can do this via All settings → General → Factory reset (Be careful, this will erase all your settings.) On your phone, simply "Forget the network" and reconnect.
In some cases, antivirus software or a firewall on your router may block ports that are necessary for operation. DLNA And MiracastTry temporarily disabling your router's security for diagnostic purposes. Restarting the router by completely disconnecting the power for 10-15 seconds also helps.
If all else fails, you can use third-party apps from the Play Market, such as "TV Cast for LG" or "AllConnect." They often offer more flexible settings and can find the device where system tools fail.
In rare cases, the issue may lie with the TV's Wi-Fi hardware. If the device loses network connectivity or doesn't detect other devices even after a reset, a specialist may be needed for diagnostics.
Is it possible to connect a phone to a TV without Wi-Fi?
Yes, if your phone and TV support Wi-Fi Direct, they can connect directly without a router. You can also use a USB-C to HDMI cable if your phone supports video output.
Frequently Asked Questions (FAQ)
Why doesn't my Samsung phone see my LG TV in the list of devices?
Most often, the problem is that the devices are connected to different networks (for example, one to a guest network, the other to the main network) or to different router frequencies. Also, make sure that the connection-receiving feature (Screen Share or similar) is enabled on the TV.
Is it possible to display a screen on a TV without a router?
Yes, using Wi-Fi Direct technology. This connects your phone directly to your TV. However, the transfer speed may be lower, and your phone's internet connection may be interrupted during streaming.
Is there any image lag when connected via Wi-Fi?
A slight delay (lag) is always present with wireless transmission, especially when mirroring your screen (Miracast). This method is not suitable for gaming. For video viewing, the delay is compensated for by buffering and is not noticeable.
Do all LG TVs support Smart View?
Smart View is a Samsung feature, but it works on LG TVs thanks to Miracast support. All modern LG Smart TVs (WebOS) support this protocol. Older models without Smart TV will require an external set-top box.
How to improve picture quality during broadcasting?
Move closer to the router, make sure you're using the 5 GHz frequency, close unnecessary apps on your phone, and disable downloads on other devices on the network. Quality also depends on your internet connection speed if you're streaming content from the internet.