Xiaomi Mi TVs TV 4S They support Wi-Fi Direct technology, which allows you to transfer content from your phone, tablet or laptop to the big screen without a router, which is convenient for viewing photos, videos or even duplicating the screen of your smartphone, but many users have difficulty connecting first: The function can be hidden in the depths of the menu, and on some firmwares its name differs from the standard. In this article, we will discuss all ways to activate Wi-Fi Direct on Mi. TV 4S (including models 32, 43, 50 and 55, and how to solve typical problems, from missing a device to connection errors.
If you have previously tried to connect your phone to your TV via Miracast or DLNA, But when faced with lags or poor picture quality, Wi-Fi Direct is a great alternative, and it works by connecting devices directly, which reduces latency and improves stability, and it's important to set both devices up properly. Next, you will find step-by-step instructions for different firmware versions, compare Wi-Fi Direct with other protocols and answers to frequent questions.
What is Wi-Fi Direct and why is it needed for Xiaomi Mi? TV 4S
Wi-Fi Direct is a wireless standard that allows devices to communicate directly, without an intermediary in the form of a router. TV 4S This technology is used to:
- ๐ฑ Broadcasts of the smartphone screen (Android/iOS) live-TV.
- ๐ฌ Viewing video and photos from the phone without wire HDMI.
- ๐ฎ Screen duplication games (for example, to stream mobile games to the big screen).
- ๐ฅ๏ธ Connecting a laptop to present or watch movies.
The main advantage over Miracast is a higher data transfer speed and lower latency, and before the DLNA โ Two-way communication (e.g., control of a TV from a smartphone) is possible, but Wi-Fi Direct has limitations:
- ๐ Increased battery consumption on a mobile device.
- ๐ถ Limited range (up to 10 meters in ideal conditions).
- ๐ Unable to connect to the Internet at the same time (unless the phone supports Dual-Band Wi-Fi).
On Xiaomi Mi. TV 4S The Wi-Fi Direct function can be called differently depending on the firmware version:
- Wi-Fi Direct (standard name)
- Mi Screen Mirroring (in some global firmware)
- Wireless display (in Russian-language assemblies).
โ ๏ธ Note: If your TV doesnโt find a device to connect to, check if your smartphone supports Wi-Fi Direct. For example, iPhones before iOS 13 donโt know how to use this technology directly โ they need additional software like ApowerMirror.
Preparation of the Xiaomi Mi TV TV 4S plug-in
Before activating Wi-Fi Direct, make sure your TV is ready to connect:
- Update your firmware to the latest version. Go to Settings for that. โ On TV. โ Updating the system.
- Turn it off. VPN (If you use it, it can block local connections.
- Make sure the TV is not connected to another Wi-Fi network in client mode (this may conflict with Wi-Fi Direct).
Also check regional settings: in some countries (e.g. China), Wi-Fi Direct can be disabled by default.
- Go to Settings โ Language and Region.
- Choose Europe or Russia (if available).
- Reboot the TV.
If Wi-Fi Direct still does not appear after changing the region, try resetting the network settings:
- Open the Settings. โ Network and Internet โ Resetting network settings.
- Confirm the action (the password from Wi-Fi will have to be entered again).
โ๏ธ Preparation for Wi-Fi Direct Connection
Step-by-step: how to turn on Wi-Fi Direct on Mi TV 4S
The activation process depends on the firmware version, and below is a general-purpose algorithm that works on most builds (including PatchWall and global versions).
Method 1: Through the Wireless Display menu (relevant for firmware 2020-2023)
- Turn on the TV and press the Menu button on the remote.
- Go to Settings โ Connections and Sharing โ Wireless Display.
- Activate the Wi-Fi Direct (or Mi Screen Mirroring) switch.
- Wait until the TV is visible to other devices (the model name appears on the screen, for example, MI-TV-4S-XXXX).
Method 2: Through the "Network and Internet" (old firmware)
- Open Settings โ Network and Internet โ Wi-Fi Direct.
- Click Enable and wait for the TV name to appear in the list of available devices.
Method 3: Quick access through the control panel
- Press the Home button on the remote to open the main menu.
- Scroll down to the Devices section (phone and TV icon).
- Select Connect the device โ Wi-Fi Direct.
Once activated, the TV will be available for 5-10 minutes, and if the connection is not installed during this time, the function will have to be turned on again.
What to do if there is no Wi-Fi Direct on the menu?
How to connect a smartphone to Xiaomi Mi TV 4S via Wi-Fi Direct
Once you turn on Wi-Fi Direct, the TV just connects it to your smartphone, and the instructions for Android and iPhone are different.
For Android (Samsung, Xiaomi, Honor, etc.):
- Open the Settings. โ Connections โ Wi-Fi Direct (on some phones, the path may be different, such as Settings) โ Wireless networks โ More. โ Wi-Fi Direct).
- In the list of available devices, find the name of your TV (for example, MI-TV-4S-1234).
- Click on it and confirm the connection.
- You will see a request for connection on the TV โ agree.
For iPhone (iOS 13 and newer):
- Install a mirroring app like ApowerMirror or Screen Mirroring.
- Open the app and select Mi. TV 4S device-list.
- Confirm the connection on the TV.
For laptops (Windows) 10/11):
- Press Win + K and select Connect to the wireless display.
- In the list, find Xiaomi Mi TV 4S and plug in.
- If necessary, enter PIN-code that will appear on the TV screen.
If the device does not find the TV:
- ๐ Reboot both devices.
- ๐ฑ On your smartphone, turn on Device Search (in Wi-Fi Direct settings).
- ๐บ On the TV, check that Visibility for All is activated (in the Wi-Fi Direct menu).
๐ก
If the picture on the TV screen is slowing down, try to reduce the resolution of the broadcast in the settings of the smartphone. For example, on Samsung, this is done in the Settings menu. โ Connections โ Wi-Fi Direct โ Image quality.
Comparison of Wi-Fi Direct, Miracast and DLNA: What's best for Mi? TV 4S
All three technologies allow you to stream content to a TV, but each has its pros and cons. Below is a comparison table for Xiaomi Mi. TV 4S:
| Characteristics | Wi-Fi Direct | Miracast | DLNA |
|---|---|---|---|
| Router required | โ No. | โ No. | โ Yes. |
| Delay (lag) | ๐ข Low (50-100 ms) | ๐ก Medium (100-200 ms) | ๐ด Tall (300)+ miss) |
| Video quality | ๐ข Do 1080p/60fps | ๐ก Do 1080p/30fps | ๐ด Depends on the router. |
| Support for iPhone | โ Only with the PO. | โ Yes) | โ Yes. |
| Energy consumption | ๐ High. | ๐ Average. | ๐ Low. |
When to choose Wi-Fi Direct:
- ๐ฎ For games or applications where minimal latency is important.
- ๐ฑ If you need to duplicate the screen of Android-smartphone without lags.
- ๐ฅ๏ธ Connecting a laptop to a TV without a router.
When to choose Miracast:
- ๐บ To watch videos (no low lago requirements).
- ๐ If you have an iPhone (via AirPlay).
When to choose DLNA:
- ๐ฌ To view movies and photos from the gallery without duplication of screen.
- ๐ก If the TV and phone are connected to the same Wi-Fi network.
๐ก
Wi-Fi Direct is the best choice for interactive tasks (games, presentations, smartphone TV control), while Miracast and other devices are also the best. DLNA More suitable for passive viewing of content.
Typical problems and their solutions
Even after setting up Wi-Fi Direct correctly, errors can occur, and here are the most common ways to fix them:
Problem 1: TV not visible in the list of devices
- ๐น Check that the TV is activated Visibility for all (in the Wi-Fi Direct menu).
- ๐น Reboot both devices.
- ๐น Make sure your smartphone is on Wi-Fi (even if itโs not connected to the network).
- ๐น Update the firmware of the TV and smartphone.
Problem 2: Connection is cut off in seconds
- ๐น Turn off the power saving mode for Wi-Fi on your phone.
- ๐น Check if the connection is blocked by an antivirus or firewall.
- ๐น Reduce the distance between devices (optimally up to 3 meters).
Problem 3: Low quality of image or sound
- ๐น In the broadcast settings on your smartphone, select High Quality (if available).
- ๐น Close background apps on your phone that may be consuming resources.
- ๐น Try changing the screen resolution in the duplication settings.
Problem 4: Wi-Fi Direct is turned on, but the sound is not working
- ๐น Check if the sound on the TV is turned off (Settings) โ Sound. โ Loudness).
- ๐น Switch the sound source on your smartphone from Phone to Wireless device.
- ๐น Update your phoneโs audio drivers (relevant for Windows laptops).
Problem 5: iPhones canโt be connected
โ ๏ธ Warning: If you have a Wi-Fi Direct message on your TV that says "No signal", try changing the resolution of your smartphone screen. For example, on the Samsung Galaxy, this is done in the Wi-Fi Direct settings. โ Screen resolution โ 720p. Also check if an app like Netflix or YouTube is blocking the broadcast (some services prohibit streaming through mirroring).
Additional settings to improve connection
If Wi-Fi Direct is unstable, try optimizing your connection with these tips:
1.Change the Wi-Fi channel on the TV
Interference with other devices can cause connection breaks to change channel:
- Go to Settings. โ Network and Internet โ Wi-Fi โ Additional settings.
- Select manual mode and set channel 6 or 11 (they are least affected by interference).
2. Turn off Bluetooth
Bluetooth and Wi-Fi Direct operate in the same range (2.4GHz), which can cause conflicts.Switch off Bluetooth on both devices before connecting.
3.Use 5GHz (if supported)
Some Mi models TV 4S (55-inch versions of 2021, for example, support Wi-Fi Direct in the 5GHz band:
- Go to Settings. โ Network and Internet โ Wi-Fi Direct โ Additionally.
- Choose the 5GHz range (if the option is available).
This will reduce interference and increase the speed of data transfer.
4. Set traffic priority
On Android smartphones, you can set the priority for Wi-Fi Direct:
- Open the Settings. โ System system โ For developers (if the partition is hidden, tap 7 times on the build number in About Phone).
- Find the option Do not turn off Wi-Fi when you go to sleep and turn it on.
5. Reset the network settings on the TV
If nothing helps, do a complete reset of network settings:
- Go to Settings. โ System system โ Resetting settings โ Resetting network settings.
- Confirm the action and restart the TV.
๐ก
If you use Wi-Fi Direct frequently to stream videos, install LocalCast or BubbleUPnP on your smartphone.>. They optimize streaming and support subtitles.