Todayโs Xiaomi Mi TV 4S supports many ways to sync with smartphones, from wireless protocols to wired connections. But what method to choose if you want to stream YouTube videos, show photos on a large screen or use your phone as a remote? In this article, we will analyze all the current ways of connecting (including hidden MIUI functions), compare them in speed, transmission quality and compatibility, and solve typical problems from lack of sound to connection errors.
Mi TV 4S
50โณ, 55โณ, 65โณ
Android TV
PatchWall
Xiaomi
Samsung
iPhone
Huawei
Before proceeding to the instructions, check:
- ๐ถ Both devices are connected to the same Wi-Fi network (for wireless methods). If you use mobile Internet, turn on modem modem on your phone.
- ๐ Software updates: the firmware should be installed on the TV at least below MIUI TV 3.0 (check in Settings) โ On TV).
- ๐ Cables and adapters: wired connections will be required HDMI-cable MHL) USB Type-C (for DeX on Samsung).
1. Wi-Fi Direct (Miracast) connection
The most versatile way is to wirelessly stream the screen via the Miracast protocol built into the Mi TV 4S. It works without a router, but requires support for the technology on the phone (available on all Xiaomi with MIUI 10+, as well as on most Android devices after 2016).
How to turn on:
- On TV: go to Settings โ Connection & Sharing โ Wireless (Miracast) and activate the option.
- On the phone: open Settings โ Connections โ Screen broadcast (on Xiaomi the path may differ: Settings โ Screen โ Broadcast).
- Select your Mi TV 4S (model name will be displayed automatically)
- Confirm the connection on both devices.
โ ๏ธ Warning: Miracast can be slowed down to 0.5 seconds, which is normal for protocol, but critical for gaming.
Television and phone charged at least 30% |
VPN and proxy on the phone disabled |
Distance between devices not more than 5 meters |
The TV has enabled the "Allow Detection" mode in Miracast settings.-->
2.Use of Google Cast (Chromecast built-in)
Xiaomi Mi TV 4S supports Google Cast technology, which allows you to stream content from apps like YouTube, Netflix or Google Photos directly to the TV screen. Unlike Miracast, it does not transfer the entire screen, but only content from supported applications, which reduces network load and reduces latency.
Instructions:
- ๐ฑ Make sure your phone has Google Home app installed (download to Play Market).
- ๐ฅ๏ธ On TV: Go to Settings โ Annexes โ System applications โ Google Cast Receiver and Enable It.
- ๐ In the Google Home app, click Add โ Set up the device โ Broadcast your screen/audio and select your Mi TV 4S.
Important: Not all apps support Google Cast. For example, TikTok and VK Video can't stream content to a TV through this protocol. You can find a full list of compatible services on Google's website.
| Annex | Support for Google Cast | Alternative method |
|---|---|---|
| YouTube | โ Yes. | Miracast |
| Netflix | โ Yes. | โ |
| TikTok | โ No. | Miracast or HDMI |
| Google Photo | โ Yes. | USB-cable |
| Twitch | โ Yes, video only) | Miracast for chat |
3. Wired connection via HDMI (MHL/DeX)
If you need minimal latency (for example, for games or presentations), use a wired connection. Mi TV 4S has an HDMI 2.0 port that supports:
- ๐ฎ MHL (Mobile High-Definition Link โ for older smartphones with Micro-USB.
- ๐ฅ๏ธ DeX (Samsung only) โ Desktop Mode.
- ๐ฑ USB-C โ HDMI โ For modern phones (for example, Xiaomi 12 Pro).
What you need:
- ๐ adapter USB-C โ HDMI (for new telephones; or MHL-cable (for old ones).
- ๐บ HDMI-cable (usually complete with a TV).
How to connect:
- Connect the phone and adapter with a cable.
- Connect the adapter to the HDMI 1/2 port on your TV.
- On the Mi TV 4S remote, select the appropriate signal source (HDMI 1 or HDMI 2).
- The phone may need to allow the transfer of the image (a notification will appear).
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If the image doesn't show up, try restarting the phone with the cable connected, and sometimes the system doesn't recognize the external display the first time.
4. USB connection (for photo/video)
The easiest but limited way to use USB-cable. TV 4S It recognizes the phone as an external drive, allowing you to view photos and videos through the built-in Explorer, but you can't broadcast the screen, just access the files.
Step-by-step:
- Connect the phone and the TV USB-cable (use the port) USB 2.0 on the back of the Mi TV 4S).
- On your phone, select File Transfer (or MTP) mode in the connection notification.
- On your TV, open the Explorer (or Media Player) app and select your phone from the device list.
โ ๏ธ Note: Not all video formats are supported by the built-in Mi player TV 4S. For example,.mkv files with codec H.265 You can't reproduce. You can use it. USB-Converted file drive or stream through Miracast.
What formats does Mi TV 4S support?
5. Specific Methods for Xiaomi Ecosystem
If you have a Xiaomi phone (or Redmi/POCO), additional features are available:
- ๐ Mi Share is a fast file transfer over Wi-Fi Direct (similar to AirDrop). It works only between Xiaomi devices.
- ๐ฎ Game Turbo - Optimized mode for games with TV output (available on phones with TV output) MIUI 12+).
- ๐ฑ Screen duplication via Mi Home โ if the TV and phone are tied to the same Xiaomi account, you can control the broadcast via the Mi Home app.
How to set up Mi Share:
- On the phone: Settings โ Connection and Sharing โ Mi Share โ turn on the option.
- On TV: Settings โ Connection and Sharing โ Mi Share โ Choose Visibility for Everyone.
- Open the gallery on your phone, select files and click Send โ Mi Share. The TV will appear in the list of devices.
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Mi Share transfers files at up to 20MB/s โ faster than Bluetooth, but slower than cable โ and for 4K video, USB or HDMI is better.
6. Solving Connection Problems
If your phone is not connected to the Mi TV 4S, check the following points:
| Problem. | Possible cause | Decision |
|---|---|---|
| TV can't see the phone | Miracast/Google Cast is disabled | Check the settings on both devices (see Section 1 and 2) |
| No sound when broadcasting | On the phone selected another audio output | In the notification bar, click on the Sound icon โ Transmit to Mi TV 4S |
| Image lays | Weak Wi-Fi signal | Connect to a 5GHz network or use HDMI |
| Black screen at HDMI-connection | Incompatible adapter | Use a certified USB-C โ HDMI adapter |
If the problem is not resolved:
- Reboot both devices.
- Update the TV firmware (Settings โ About TV โ System Update).
- Reset your network settings on your TV (Settings โ Network โ Reset settings).