Wi-Fi display sink on a DEXP TV: detailed setup instructions

Modern users often face the need to stream content from mobile devices to a large screen. Technology wifi display sink Turns your TV into a signal receiver, allowing you to mirror the image from your smartphone or tablet without the hassle of wires. For owners of this brand's equipment DEXP This process may not seem obvious due to the peculiarities of the Android TV software shell.

Unlike simple Smart systems, this one uses a full-fledged operating system, where the signal reception function is often hidden deep within the settings or requires the installation of additional software. Understanding the operating principle Miracast And DLNA We'll help you avoid common mistakes when pairing gadgets. We'll cover all the nuances, from enabling the service in the menu to the intricacies of adjusting screen resolution.

It's worth noting that the term "sink" in this context means that the TV is the final recipient of the video stream. Your smartphone, therefore, becomes the "source." Connection stability directly depends on the quality of the TV's Wi-Fi module. DEXP and the load on the wireless channel in your apartment.

Before you begin setup, make sure both devices are on the same network. This is a basic requirement for most wireless media transfer protocols. If your router broadcasts on both 2.4 GHz and 5 GHz frequencies, it's best to connect both devices to the same frequency to minimize latency.

⚠️ Attention: Some older router models may not correctly process broadcast requests from your TV. If you can't find your TV in the list of available devices on your phone, try temporarily disabling Client Isolation in your router settings.

How Wireless Display Technology Works on Android TV

The functionality that users are looking for is wifi display sink, is based on the Wi-Fi Direct standard and the Miracast protocol. In the Android operating system, which TVs run on DEXPThe "Wireless Display" system service is responsible for this. It creates a virtual access point or connects to an existing network to transmit a real-time video stream.

It's important to understand the difference between simple photo streaming via DLNA and full screen mirroring. The former only allows you to send files for playback, while the latter mirrors everything that's happening on your smartphone's screen, including menus and games. For games and presentations, low latency, which is precisely what this method provides, is crucial. Miracast.

Televisions DEXP They use the standard Android stack, but manufacturers sometimes hide native features behind their own launchers. This means the signal reception button may be labeled differently: "Cast," "Screen Mirroring," or "Intel WiDi" (on older models). The system encodes the video stream in H.264 or H.265 format to save data.

Technical details of codecs

DEXP TVs typically support H.264 hardware decoding, which reduces CPU load. If you're streaming 4K video, make sure your router supports the AC (5 GHz) Wi-Fi standard; otherwise, you may experience choppy images.

When activated in receiver mode, the TV generates a unique identifier visible to other devices within range. WPA2 encryption protects transmitted content from being intercepted by neighbors. However, if the network is open, it's recommended to use a PIN code for pairing.

Finding and activating the function in the DEXP menu

The first step is to find the desired section in the interface. Since the menu may differ depending on the version of Android TV installed on your device, DEXP, it's worth checking a few places. Most often, the option you need is in the quick settings or connections section.

Press the "Settings" button (gear) on the remote control. Then go to the section Settings → Preferences → ConnectionsHere you need to look for the "Broadcast" or "Wireless display" option. In some firmware versions, this function is located in the top quick access menu, which is opened by long-pressing the power button or a dedicated key.

• 📺 Press the Home button and select the gear icon in the upper right corner.
• 📡 Go to the "Network and Internet" or "Connections" section.
• 📲 Find the "Cast" item and switch the toggle switch to the "On" position.
• 🔍 Make sure the status has changed to "Waiting to connect" or "Ready to connect".

If you don't find a built-in function, it doesn't mean that your wifi display sink It doesn't work. The manufacturer may not have added a shortcut to the main menu. In this case, you'll need to install a third-party app from the Google Play store, which we'll discuss below. Native support is available in almost all models released after 2018.

⚠️ Attention: The Android TV interface is updated regularly. The menu layout may change after automatic system updates. If you don't see the "Cast" option, search for "Cast" or "Display" in the settings.

📊 Did you find a built-in broadcast function?

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Using built-in applications to receive a signal

If the standard settings do not activate the receiver mode, the TV DEXP This may require launching a special app. Devices often come pre-installed with aggregator apps, such as AirScreen, AirPin, or Cast Receiver. These emulate the system protocol.

Go to the Google Play Store on your TV. Search for "receiver" or "miracast." One of the most popular and stable solutions is the app AirScreenAfter installation, launch it and click "Start." It will create a virtual display that will be visible to your smartphones.

The advantage of third-party apps is their flexible settings. You can adjust buffering, select a codec, and even connect gamepads. For TVs DEXP With a small amount of RAM (1 GB or less), it is recommended to close other background applications before launching the receiver to avoid lags.

☑️ Check before launching the application

The app was installed from the official store/Permission to access the local network was granted/Power saving mode was disabled/Heavy background processes were closed

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After launching the app, a QR code and the device name will appear on the screen. Now you can proceed to setting up the signal source. Keep in mind that running such apps can consume more processor resources than the native function, which can sometimes lead to the device heating up.

Connecting an Android smartphone to a TV

The process of connecting an Android smartphone to wifi display sink on TV DEXP It's standardized, but the function names vary across manufacturers. Samsung calls it Smart View, Xiaomi calls it Broadcast, and Huawei calls it Projection.

Pull down the notification shade on your phone and find the corresponding icon. If it's not in quick access, go to Settings → Connected devices → BroadcastYour phone will begin searching for available displays on the network. When the name of your TV (or running app) appears, tap it.

You may see a request to allow the connection on your TV screen. Use your remote to confirm. Afterward, the image from your phone should appear full-screen. To exit, simply press the Home button on your phone or disable casting in the notifications menu.

Phone brand	Function name	Where to look	Peculiarities
Samsung	Smart View	Quick Settings Panel	Supports touchpad control of TV
Xiaomi / Redmi	Broadcast	Settings → Connections	Often requires turning on Mi Play
Huawei / Honor	Projection	Control Panel	High connection stability
Google Pixel	Broadcast	Settings → Connected devices	Pure Android without add-ons

If the image quality is low, check the resolution settings in the phone menu. Some models allow you to manually set the resolution. 1920×1080 or 1280×720Lowering the resolution can increase FPS (frames per second) when gaming.

Stream from iPhone and iPad (AirPlay)

Apple device owners cannot use the Miracast protocol directly, as the company uses its own standard. AirPlayHowever, many televisions DEXP Android TVs have built-in AirPlay 2 support or allow you to install a compatible app.

Check the specifications of your model. If there is no built-in support, install an app on your TV that emulates an AirPlay receiver (for example, the same AirScreen or AirPin). After launching the app on your iPhone, your TV will appear under "Screen Mirroring" (via Control Center).

To activate Control Center on an iPhone with Face ID, swipe down from the upper-right corner. On models with a Home button, swipe up from the bottom edge. Tap the icon with two rectangles and select your DEXP.

If the video is choppy, try lowering the quality of the streaming content or moving closer to the router. This protocol provides better color reproduction, but may be less stable in noisy environments.

Solution: TV is not visible or does not connect

The most common issue is that devices don't see each other. Make sure Bluetooth is enabled on both devices. Although the connection is transmitted over Wi-Fi, Bluetooth is used for initial discovery (handshake) in modern versions of Android. Also, check if your router is configured to block data exchange between clients.

If the connection drops, the channel may not have enough bandwidth. Try switching your router to a less congested channel (1, 6, or 11 for 2.4 GHz). Interference from microwave ovens and neighboring networks is a common problem for wireless broadcasts.

• 🔄 Restart your router and TV (unplug the power cord for 10 seconds).
• 📶 Connect both devices to a 5 GHz network if they support this range.
• 🛡️ Check your phone's antivirus software—it might be blocking local connections.
• ⚙️ Reset your TV's network settings in the menu Settings → System → Reset.

⚠️ Attention: Antivirus programs and firewalls on smartphones often block the ports required for Miracast. Try temporarily disabling the protection or adding your TV to the exceptions list.

In rare cases, the problem stems from an outdated version of the Wi-Fi module drivers. Update the TV firmware via the menu. Settings → About TV → System Update. Manufacturers DEXP periodically release patches that improve the stability of wireless connections.

Is it possible to stream my PC screen to a DEXP TV?

Yes, this is possible. Windows 10 and 11 have a built-in "Connect" feature. Click Win + K and select your TV. For this to work, your PC and TV must be on the same network. You'll need to launch a receiver app (such as AirScreen) on your TV, as Windows uses the Miracast protocol.

Why is there no sound during the broadcast?

Check your phone's audio settings. Sometimes the sound continues to come through your smartphone's speaker, not the TV. In the casting menu (where you select the device), there's often a checkbox labeled "Video only" or "Video and audio." Make sure "Video and audio" is selected. Also, check that the volume on the TV isn't turned down.

Does broadcasting affect internet speed?

When using Wi-Fi Direct (a direct connection between your phone and TV), the internet is not used at all; traffic is handled locally. If streaming through a router (standard Miracast), the channel may be partially occupied, but the speed is usually sufficient for basic web surfing. Watching online videos on your phone while streaming doubles your data usage.

How to improve the quality of a picture if it is blurry?

Blurry images are often caused by scaling. A Full HD TV can stretch the image from a low-resolution phone. In the TV settings DEXP Select "Screen" or "Just Scan" picture mode to remove edge cropping. Also, make sure your phone's screen resolution is set to the highest available resolution.