Connecting a smartphone to a Xiaomi Mi TV TV 4S 43 (model L43M5-5ASR) It's a lot of things, from watching big screen photos to streaming games with minimal latency, but not all of them are equally effective -- you're going to have to choose your phone model, your firmware version. MIUI/Android TV In this article, we will analyze all the current connectivity options (including hidden Xiaomi features), compare them in speed, picture quality and configuration complexity.
Many users face typical problems: the TV canโt see the phone through Miracast, there is a delay in sound when you duplicate the screen, or the image will โbreakโ when watching video in 4K. We will not only give step-by-step instructions, but also explain why this happens and how to fix it. For example, did you know that the Xiaomi TV 4S 43 default switched off the Wi-Fi Direct protocol to save energy? Or that an additional adapter will be required for wireless iPhone connection?
If you're looking for the highest quality without delay, get ready for wired solutions. If mobility is important, let's take a look at the settings of Google Cast and Mi Screen Mirroring technology. And for gamers, there's a separate Game Mode-mode lifehack that reduces lag to 20 ms (versus the standard 100+ ms wireless connection).
Connection via HDMI: maximum quality without delay
The wired method remains the most reliable for video transmission in resolution 4K@60Hz Or games from a smartphone. TV 4S 43 double-fitted HDMI-port (versions) 2.0), But you'll need an adapter to connect the phone:
- ๐ฑ For Android: cable USB-C โ HDMI (If the phone supports DisplayPort Alt Mode or adapter USB-C โ HDMI (For example, Xiaomi Type-C to HDMI).
- ๐ For iPhone: the official Lightning Digital adapter AV Adapter (around 3,000) โฝ) or certified.
- ๐ Cable HDMI: High Speed is better with 18 Gbps support. 4K HDR.
Step-by-step:
- Connect the adapter to the phone and then connect it to the TV through HDMI-cable HDMI 1 HDMI 2 on the back of Xiaomi TV 4S).
- On the TV remote, press the Source (or Input) button and select the appropriate one. HDMI-port.
- A request for permission to transfer an image may appear on the phone - confirm it.
- If the screen is not duplicated, check your phone settings: on Android go to Settings โ Display โ Wireless Display (or Cast), on iPhone โ to Control Point โ Screen Duplication.
โ ๏ธ Note: Some Xiaomi phones (e.g. Redmi Note 10 Pro) when connected via HDMI The internal speaker may turn off, the sound will only go through the TV, and to bring the sound back to the phone, turn off the cable and restart the device.
The adapter supports your phone model |
HDMI cable version 2.0 or higher |
The right signal source is selected on the TV |
In the settings of the phone, screen duplication is allowed-->
2. Wireless connection via Miracast (Wi-Fi Direct)
Miracast is a wireless screen transmission standard without a router, built into the Xiaomi Mi TV 4S 43. It runs at 5 GHz and provides latency of up to 50-80 ms (with a good signal), the main advantage is that you do not need to connect to the same network with the TV.
- ๐ Phone and TV should support Wi-Fi Direct (on Xiaomi) TV 4S It is enabled by default, but can be turned off in settings).
- ๐ถ The distance between the devices should not exceed 5-7 meters (otherwise there will be lags).
- ๐ Miracast puts a battery on the phone โ for an hour of use, the consumption can reach 20-30%.
How to connect:
- On TV: Open Settings โ Connections โ Wireless Display (Miracast) and activate the option.
- On Android Phone: Go to Settings โ Connections โ Wireless display (or Cast). Choose your Xiaomi TV 4S 43 of the available devices, confirm the connection on both devices (entry may be required) PIN-code).
iPhone
- Open the Control Point โ Duplicate the screen.
- Select Mi TV 4S (if itโs not on the list, use Apple TV adapter or Mi TV Stick).
Why does Miracast not work on some Xiaomi phones?
3. Connect via Google Cast (Chromecast)
The Xiaomi Mi TV 4S 43 has built-in support for Google Cast (similar to Chromecast), which allows you to stream content from apps like YouTube, Netflix or Google Photos without dubbing the entire screen, a method less resource-intensive than Miracast, and works even on weak phones.
How to set up:
- Make sure your phone and TV are connected to the same Wi-Fi network (2.4GHz or 5GHz).
- On TV: Open Settings โ Apps โ Google Cast Receiver. Activate the option to Allow Content Transfer.
- Open a supported app (e.g. YouTube).
- Click on the Cast icon (usually in the upper right corner).
- Choose your Xiaomi TV 4S 43 from the list.
List of apps that support Google Cast on Xiaomi TV 4S:
| Annex | Type of content | Max, permission. | Delay. |
|---|---|---|---|
| YouTube | Videos, streams | 4K@60Hz | ~100 ms. |
| Netflix | Movies, TV shows | 1080p (DRM) | ~150 ms |
| Google Photo | Photos, video | Original | ~50 ms. |
| Spotify | Music. | 320 kbps | ~200 ms. |
| VLC | Local video | 4K | ~80 ms. |
โ ๏ธ Attention: During broadcasting 4K-The Google Cast TV can automatically lower the bitrate to 20 Mbps if the router does not support the content. 802.11ac. To avoid this, connect the TV to the router via Ethernet cable (port) LAN on the back of Xiaomi TV 4S).
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If the sound is delayed when broadcasting through Google Cast, try setting the TV (Sound โ Lip Sync / Sound) to set the value of +100 ms or +150 ms. This compensates for the lag caused by buffering.
4.Use of DLNA to view media files
DLNA (Digital Living Network Alliance) allows you to stream photos, videos and music from your phone to your TV without duplicating the screen, and unlike Miracast, it doesn't transfer the entire desktop, just selected files, which reduces the load on the processor and battery.
How to set up DLNA on Xiaomi Mi TV 4S 43:
- On TV: Open Apps โ Media Player (or Gallery). Select DLNA from the source menu.
- On Android: Install BubbleUPnP or LocalCast. Enable Sharing Media in the app settings. Select files to stream and specify Xiaomi TV 4S as the output device.
iPhone
- Use the nPlayer or Infuse app.
- Activate DLNA/UPnP Renderer and select the TV.
The advantages of DLNA over Miracast:
- โก Low power consumption (phone battery runs 2-3 times slower).
- ๐ต Support for formats FLAC, DTS and MKV (Unlike Google Cast, which often recodes audio).
- ๐ Ability to broadcast files from NAS cloud-storage.
โ ๏ธ If the TV cannot see the phone through the phone DLNA, check:
- Is the TV power saving mode turned off (Settings โ Energy saving โ Sleep mode).
- Whether devices are connected to the same subnet (for example, if a router has multiple VLANs, the TV and phone may be on different networks).
- Does the firewall block UPnP traffic (port 1900/TCP)?
5. USB connection (for media files only)
If you need to quickly show photos or videos from your phone, you can use the USB-cable. Xiaomi Mi. TV 4S 43 supports connection by USB 2.0 (port on the sidebar), but with reservations:
- ๐ฑ The phone must maintain the mode. MTP (Media Transfer Protocol or PTP (Picture Transfer Protocol).
- ๐ Only files in folders will be available. DCIM, Pictures, Movies and Music.
- ๐ซ You canโt duplicate the screen or run applications โ just watch media.
Instructions:
- Connect your phone to your TV via USB-C โ USB-A cable (or Micro-USB โ USB-A for older models).
- On your phone, select File Transfer (or MTP) mode in the connection notification.
- On the TV, open the Applications โ Explorer (or Media Player) and select your phone as the source.
โ ๏ธ Note: Some Xiaomi phones (e.g. Mi 11 or Xiaomi) POCO F3) When connected to the TV through USB There may be a "Device not supported" error, due to firmware limitations. MIUI. Decision:
- Turn on the developer mode on the phone (7 times click on the MIUI version in the settings).
- Go to Settings โ Additional โ For developers.
- Activate the USB Debugging option and Allow location simulation.
- Reconnect the phone and the error will disappear.
6.Alternative methods: Mi TV Stick and third-party adapters
If the built-in methods do not work or you are not satisfied with the quality of the transmission, you can use external devices:
- ๐บ Xiaomi Mi TV Stick: Connects to the port HDMI And it allows you to duplicate the screen through Google Cast or Miracast with minimal lag: ~3 000 โฝ.
- ๐ Airtame: professional adapter for wireless screen transfer with support 4K@30Hz and 1080p@60Hz. Suitable for presentations and games.
- ๐ฎ Steam Link: If you want to stream games from PC to TV via phone as a remote.
Comparison of adapters for Xiaomi TV 4S 43:
| The device | Max, permission. | Delay. | Price. | Pluses | Cons |
|---|---|---|---|---|---|
| Mi TV Stick | 1080p@60Hz | ~60 ms. | ~3 000 โฝ | Easy setup, support for Google Assistant | No 4K, sometimes warms up |
| Airtame 2 | 4K@30Hz | ~40 ms. | ~15 000 โฝ | Stable signal, PoE support | Expensive, requires network setup |
| AnyCast M2 Plus | 1080p@30Hz | ~100 ms. | ~1 500 โฝ | Cheap, runs without a router | Lags for video transmission, no 5 GHz |
โ ๏ธ Attention: When using Mi TV Stick on Xiaomi TV 4S 43 there may be a remote conflict (both devices respond to an IR signal). To avoid this, stick it on the Mi IR receiver. TV Stick a piece of tape or use the remote only from the TV, switching sources through Source.
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For smartphone games (such as Call of Duty Mobile or Genshin Impact), the best option is wired HDMI with an adapter that supports DisplayPort Alt Mode. Wireless methods (Miracast, Google Cast) give a delay of 80 ms, which is critical for shooters.
7. Solving common problems
Even after you set it up correctly, you can still get errors, and here are the most common ways to fix them:
- ๐ด TV doesn't see phone through Miracast: Check if Wi-Fi Direct is enabled on TV (Settings) โ Connections โ Reboot the router, sometimes it blocks P2P-On Xiaomi phone, turn off dual Wi-Fi connection (Settings) โ Wi-Fi โ Additionally).
- ๐ No sound when connected to HDMI: On your Android phone, go to Settings โ Sound. โ Sound output and select HDMI. On your iPhone, check if you have silent mode on. If you use an adapter, try another cable, because cheap Chinese adapters often don't transmit sound.
- ๐ผ๏ธ Image brakes or tears: Reduce phone screen resolution to 720p Turn off Hardware Acceleration in the developer settings (if enabled). Check if the Wi-Fi channel is overloaded (disconnect other devices from the network).
If nothing helps, reset your network settings on your TV:
Settings โ System โ Reset โ Reset Network settingsThen re-connect the connection.