Connecting a smartphone to a Xiaomi Mi TV TV 4S 55 opens up new possibilities, from viewing photos on the big screen to streaming games with minimal latency. However, users often face problems - the TV does not see the device over Wi-Fi Direct, the picture slows down when transmitting over Miracast, and sometimes it is not possible to establish a connection at all. In this article, we will discuss 5 proven sync methods (including hidden PatchWall features), and also tell you how to fix typical errors, for example, โCan not connect to the screenโ or โDevice is not supportedยป.
Feature of the model 4S 55 (2019โ2021 Dual-Band Wi-Fi built-in module (2.4/5 GHz) and Chromecast support through firmware updates, which means you can stream content from more than just your phones. Xiaomi/Redmi, But also with an iPhone, a Samsung, or even a laptop, and the key is to choose the right method of connection depending on the task:
- ๐ฎ Low-latency games or videos โ HDMI-cable (preferably Type-C) โ HDMI modern smartphones).
- ๐ฑ Duplication of screen without wires โ Miracast (built into Android) or Wi-Fi Direct.
- ๐ฌ Streaming of films/series โ Google Cast (for YouTube, Netflix) or DLNA.
- ๐ Viewing photos/video from your phone โ USB-OTG Mi Home app.
If you have previously tried to connect and got an error, first reset the network settings on the TV: go to Settings โ Network and Internet โ Wi-Fi reset.This will clear the connection cache and increase the chances of successful synchronization.
1. Connection by HDMI: Minimum latency for games and video
The most reliable and universal way is to use HDMI-It guarantees a stable picture without artifacts and is suitable for:
- ๐ฎ Phone games (like Call of Duty Mobile or Genshin Impact on the big screen).
- ๐ฅ Watching the video at maximum resolution (before) 4K@60Hz, if the cable supports HDMI 2.0).
- ๐ป Duplicate desktop (useful for presentations).
For modern smartphones (Xiaomi) 12/13/14, Redmi Note 11/12) You will need a Type-C adapter. โ HDMI (or micro-USB โ HDMI Note that cheap Chinese adapters often don't support audio output, but take certified ones (e.g., from Baseus or from the Baseus). UGREEN).
Suitable cable/adapter (Type-C/Micro-USB โ HDMI)
Enabled mode "Imagine Transfer" on the phone
Free HDMI-Port on the TV (check if it is occupied by the console)
TV screen settings: signal source โ HDMI1/HDMI2-->
Step-by-step:
- Connect the adapter to the phone and HDMI-cable to adapter and TV.
- On the TV, press the button. SOURCE on the remote and select the appropriate HDMI-port.
- A notification will appear on the phone โ select โImage Transferโ mode or ยซHDMIยป (names may differ).
- If the screen is not duplicated, check the phone settings: Settings โ Connected devices โ HDMI.
โ ๏ธ Attention: On some firmware MIUI (for example, MIUI 13/14) when connected HDMI Solution: In the settings of the TV, select Sound. โ Exit HDMI โ Including or using a separate acoustic system.
| Problem. | Possible cause | Decision |
|---|---|---|
| No image. | Incompatible cable/adapter | Try another adapter (preferably with support) 4K@60Hz) |
| The sound is only through the phone. | Set-up of sound output | Turn on the sound transmission. HDMI TV settings |
| The screen flickers. | Unstable power adapter | Connect your phone to charge during transfer |
| Low resolution. | Automatic determination of permits | Manually install. 1920ร1080 or 3840ร2160 customized HDMI |
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HDMI-Connectivity is the only way to get a latency of less than 20ms, critical for gaming. Wireless methods (Wi-Fi, Bluetooth) give a latency of 50 to 200ms.
2. Wireless screen duplication via Miracast (Wi-Fi Direct)
Miracast is the wireless screen transfer standard built into most Android 5.0 phones.+ Xiaomi TVs, the advantages of the method:
- ๐ No router required โ the connection is established directly between the phone and TV.
- ๐ถ Maintains permission until 1080p (Xiaomi 4S 55 above will not be possible).
- ๐๏ธ You can use it as a second screen (extended mode).
However, there are downsides: latency reaches 100-150 ms (unsuitable for dynamic games), and with a weak signal, video jerks are possible. If your phone and TV are connected to the same Wi-Fi network, you should use Google Cast (more on this below).
How to turn Miracast on Xiaomi 4S 55:
- On TV: Settings โ Connection and sharing โ Wireless display (Miracast) โ Turn on.
- On the phone: open Settings โ Connections โ Wireless display (or Smart View on Samsung).
- Select your Mi TV in the list TV 4S-55.
- Confirm the connection on both devices.
โ ๏ธ Note: On iPhone Miracast doesnโt work โ use AirPlay (but Xiaomi) 4S 55 does not support it directly; additional software, such as ApowerMirror, will be required).
If the TV is not displayed in the list of devices:
- ๐ Reboot both devices.
- ๐ก Make sure your TV is on Wi-Fi Direct (Settings) โ Network โ Wi-Fi Direct).
- ๐ง Update the TV firmware (up-to-date version โ MIUI TV 3.0+).
Why is Miracast slowing down?
3. Broadcast via Google Cast (Chromecast) โ for YouTube, Netflix, browser
If you want to stream content from specific apps (YouTube, Netflix, Google Photos), the best option is Google Cast. Unlike Miracast, it does not transfer the entire screen, but only content from the supported application, which reduces the load on the network.
Xiaomi Mi TV 4S 55 supports Chromecast built-in, but for that:
- The TV and phone must be connected to the same Wi-Fi network (required!).
- The TV must be enabled with Google Cast: Settings โ Connection and sharing โ Google Cast โ Turn on.
- In the app (such as YouTube) click the broadcast icon (๐บ) and choose your TV.
What apps support Cast:
- ๐ฌ YouTube, Netflix, Disney+, Twitch.
- ๐ต Spotify, Yandex Music, Google Podcasts.
- ๐ท Google Photos, Xiaomi Gallery (in Show on TV modeยป).
- ๐ Google Chrome (Broadcasting tabs).
If the Cast icon does not appear:
- ๐ Reconnect both devices to Wi-Fi.
- ๐ง Update the app (such as YouTube) to the latest version.
- ๐ฑ On your phone, turn on Location and Bluetooth โ some apps require them to detect devices.
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If the streaming through Google Cast is permanently interrupted, try setting the router to set a fixed Wi-Fi channel (for example, 6 or 11 for 2.4 GHz) instead of automatically selecting.
4. Connection by USB: viewing files without the Internet
If you just need to show photos or videos from your phone on your TV and wireless methods donโt work, use it. USB-This method does not require Wi-Fi and is suitable even for older phones.
What you need:
- ๐ Cable USB-A โ USB-C (Micro-USB for older phones).
- ๐ฑ The phone must be enabled mode "File transferยป (MTP).
- ๐บ On TV, support USB-display (available on Xiaomi) 4S 55).
Instructions:
- Connect the phone to USB-TV port (usually located on the side).
- On your phone, select File Transfer Mode (not Charge!).
- On the TV, open the Files or Gallery app and a folder with the phoneโs contents will appear.
- To watch the video, use the built-in Mi Video player.
โ ๏ธ Note: Not all video formats are supported by a TV. If the file is not played, convert it to MP4 (H.264) or MKV using applications like VLC HandBrake.
Limitations of the method:
- โ No screen duplication, only access to files.
- โ Some phones (such as iPhones) donโt support MTP-TV-connection.
- โ Reading speed depends on the version USB (Xiaomi 4S 55th port USB 2.0, therefore. 4K-video can slow down).
5 Use of Xiaomi apps: Mi Home and Mi Remote
For owners of the Xiaomi ecosystem, there are two branded ways to control your TV from your phone:
1. Mi Home application (for viewing files and managing):
- ๐ฑ Install Mi Home from Google Play or App Store.
- ๐ Connect your TV to your Xiaomi account (Settings) โ Account and security).
- ๐บ In the app, select your TV and use the โTransfer Filesโ or โRemote Controlโ functionsยป.
2. Mi Remote application (for screen duplication):
- ๐๏ธ Allows you to use your phone as a remote or game controller.
- ๐ฅ๏ธ Screen Mirroring (similar to Miracast) is available in some regions).
The advantage of these methods is integration with other Xiaomi devices (for example, you can stream your phone screen to your TV and simultaneously control the Yeelight smart lamp).
- ๐ถ Fast Wi-Fi (from 50 Mbps).
- ๐ Latest versions of TV apps and firmware.
- ๐ฑ Phone on. MIUI 12+ (fully compatible).
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If the TV doesnโt appear in Mi Home, make sure that both devices are tied to the same Xiaomi account and are on the same Wi-Fi network.
6.The solution to the problems: why the phone does not connect to Xiaomi 4S 55
If none of these methods worked, check the following points:
| Problem. | Reason. | Decision |
|---|---|---|
| TV can't see phone over Wi-Fi | Wi-Fi Direct or Miracast is disabled | Enable in Settings โ Network โ Wi-Fi Direct and Wireless Display |
| The connection breaks in 10 to 30 seconds. | Saving energy on the phone | Turn off the adaptive battery in the phone settings |
| No sound when connected via HDMI | Wrong sound output | In the settings of the TV, select Sound โ Exit HDMI โ On. |
| Video slows down at Miracast | Network overload | Switch TV to 5GHz Wi-Fi or reduce broadcast resolution |
| Apps don't see TV for Cast | Different Wi-Fi networks | Connect both devices to the same network (including guest) |
Additional advice:
- ๐ If you have a Xiaomi TV 4S 55 hasn't been updated for more than a year, install the latest firmware: Settings โ On TV. โ Updating the system.
- ๐ฑ Samsung or Huawei phones may need to enable Smart View or Huawei Share instead of the standard Miracast.
- ๐ ๏ธ If the phone screen turns black after you connect, but the sound is coming, try changing the resolution in Miracast settings.