Wirelessly streaming a smartphone screen to a large TV screen has become a standard feature of modern devices, but users of Xiaomi Redmi often face problems: the connection is cut, the picture is slowed, the TV simply โcanโt seeโ the phone. In this article, we will analyze all the current ways of connecting โ from built-in Miracast to third-party applications โ and give specific recommendations for eliminating typical errors.
Feature of the Redmi smartphone (Series Note) 10/11/12, Redmi 9/10/13C The problem is that they support multiple wireless protocols, but not all of them are equally stable. For example, Google Cast (aka Chromecast) works better on Android TVs. TV, Miracast can require manually configuring the router, and we tested each method on real devices and identified key nuances that the manufacturer doesn't always mention in the official instructions.
If you tried to connect before and you failed, do not rush to blame the technique: 80% In some cases, the problem lies in the wrong network settings, outdated firmware or application conflict. Next, detailed guides with step-by-step screenshots (for current versions). MIUI 14/15) and protocol compatibility table.
Preparation of TV and phone: what to do before connecting
Before you try to connect devices, make sure both meet the minimum requirements.For Xiaomi Redmi, this is:
- ๐ฑ Version. MIUI at least 12.5 (older firmware may not support Miracast).
- ๐ Wi-Fi and Bluetooth enabled (even if you only use Wi-Fi โ some protocols require Bluetooth for initial synchronization).
- ๐ Battery charge above 30% (at low charge, the system can block resource-intensive operations).
- ๐ ๏ธ Lack of active activity VPN Proxies (they can block local device detection).
Check the TV side:
- ๐บ Support for at least one protocol: Miracast, DLNA, AirPlay (for Apple) TV) or Google Cast.
- ๐ Connecting to the same Wi-Fi network as your phone (for the same purpose) DLNA And Google Cast is a must!).
- ๐ Lack of guest Wi-Fi (it often blocks local device interaction).
โ ๏ธ Note: If your TV is released before 2018, chances are it doesnโt support Miracast or Google Cast at the hardware level. DLNA (For photo/video, or purchase an external adapter (e.g. Xiaomi Mi) TV Stick).
Method 1: Miracast - built-in wireless screen broadcasting
Miracast is a wireless screen standard that supports all Xiaomi Redmi smartphones (starting with Redmi 5) and most modern TVs, with the main advantage of minimal latency (around 50โ100 ms), which is critical for gaming or watching videos.
- โก Direct connection (phone and TV must be on the same network, but some TVs create their own access point).
- ๐ Not all apps support audio transmission (for example, Netflix or YouTube can block audio over the audio stream). DRM).
- ๐ถ The quality of the image depends on the strength of the Wi-Fi signal (with a weak signal will โlay downยป).
Step-by-step:
- On your TV, activate Miracast mode (usually via the Settings menu). โ Network โ Miracast or Screen โ Wireless broadcasting).
- On Redmi phone, open Settings โ Connections and sharing โ Screen broadcasting.
- From the list of available devices, select the name of your TV, and if it's not available, click Update or check if Miracast is on TV.
- Confirm the connection on both devices (entry may be required) PIN-code).
Television and phone in the same Wi-Fi network
Miracast (not Screen Mirroring!) is on TV.
Power saving mode on the phone is off
Distance between devices not more than 5 meters-->
If the connection fails, try:
- ๐ Reboot the router (sometimes) DHCP-server "forgets" devices).
- ๐ฑ Enable Developer Mode on your phone and activate the Wi-Fi debugging option (in some cases, this helps stabilize the connection).
- ๐ ๏ธ Update the firmware of the TV (especially relevant for Samsung and the Internet) LG past 2020).
What if Miracast is connected but the screen is slowing down?
3. Method 2: Google Cast (Chromecast) - for streaming video and music
Google Cast (or Chromecast) is a protocol that allows you to โsendโ content from your phone to your TV through apps (e.g. YouTube, Netflix, Google Photos), unlike Miracast, it doesnโt transfer the entire screen, but only selected content, which reduces the load on the network.
How it works: The phone links the content to the TV, and the TV downloads it from the Internet, which means that:
- ๐ The TV must be connected to the Internet (not only to the local network!).
- ๐ฑ Apps that support Google Cast must be installed on the phone (list below).
- ๐ Some services (e.g. Disney)+) They may be blocking the broadcast because of DRM.
Supported annexes:
| Annex | Support for Google Cast | Limitations |
|---|---|---|
| YouTube | โ Yes. | Requires a Google account |
| Netflix | โ Yes. | Not all films are available for broadcasting |
| Google Photo | โ Yes. | Photos/video only (without screen) |
| Spotify | โ Yes. | Requires a premium subscription |
| Twitch | โ No. | Use Miracast. |
How to connect:
- Make sure that the TV and phone are on the same Wi-Fi network.
- Open a supported app (e.g. YouTube).
- Click on the broadcast icon (usually in the upper right corner) and select your TV.
- If the TV is not displayed, check if it has Google Cast or Chromecast mode enabled.
โ ๏ธ Attention: On the TVs Xiaomi Mi TV (especially the Mi models TV 4S/5) Google Cast may conflict with Miracast built-in. Turn off Miracast in TV settings before connecting!
๐ก
If the video is slowing down when broadcasting via Google Cast, try setting the router to set traffic priority (QoS) for the Internet. IP-This will help to avoid "hanging" at a weak signal.
4. Method 3: DLNA โ to view photos and videos without screen broadcast
DLNA (Digital Living Network Alliance is a protocol for sharing media between devices on a local network, unlike Miracast and Google Cast, it does not broadcast the screen, but only allows you to open files (photos, videos, music) on your TV directly from your phone.
Pros:
- ๐ It works even on older TVs (released until 2015).
- ๐ต Supports playlists and folders (comfortable for music).
- ๐ Does not require high speed Wi-Fi (sufficient 2-5 Mbit / s).
Cons:
- ๐ซ Does not broadcast the screen (files only).
- ๐ Not all video formats are supported (e.g..mkv may not play).
- ๐ Requires presetting on the phone.
How to set up DLNA Xiaomi Redmi:
- Install a file manager with support on your phone DLNA, for example FX File Explorer or Solid Explorer.
- In the manager settings activate DLNA-server (usually in the Network or Shared Access section).
- On your TV, open a multimedia app (such as Photo/Video or Media Player) and select the source. DLNA.
- Your phone will appear in the list of devices โ select it and open the desired file.
If the TV can't see the phone:
- ๐ Make sure that the phone is on Shared Access DLNA (firmware MIUI It's off by default).
- ๐ ๏ธ Check that the TV is not activated "guest" mode network.
- ๐ฑ Try a different file manager (for example, ES The conductor often works more stable).
5. Method 4: Applications for broadcasting (ApowerMirror, TeamViewer)
If the built-in methods don't work, you can use third-party applications.
- ๐บ Old TVs without Miracast.
- ๐ฎ Games with minimal delay.
- ๐ Bypassing restrictions DRM (For example, Netflix or Amazon Prime).
Top.-3 Applications for Xiaomi Redmi:
| Annex | Delay. | Sound support | Cost |
|---|---|---|---|
| ApowerMirror | ~100 ms. | โ Yes. | Free (with advertising) |
| TeamViewer QuickSupport | ~150 ms | โ Yes. | Free of charge. |
| Screen Mirroring (by Mobizen) | ~80 ms. | โ No, only screen) | Paid version ~300 โฝ |
Instructions for ApowerMirror:
- Install ApowerMirror on your phone and TV (if you have Android TV) TV, Download the version for it from Google Play).
- Connect both devices to the same Wi-Fi network.
- On your phone, launch the app and select Mirror to TV.
- The scanner will find the TV, confirm the connection.
- For minimal delay in the application settings, select Game Mode.
โ ๏ธ Note: Apps like ApowerMirror can collect data about your device. โ Annexes โ ApowerMirror โ Rights and disable unnecessary (e.g. access to contacts or SMS).
6.The solution to the problems: why the phone doesn't connect to the TV
If none of these methods worked, check the following points:
1. Wi-Fi problems:
- ๐ Restart the router (pull out the plug for 30 seconds).
- ๐ถ Check that the phone and TV are connected to the same network (not the guest network!).
- ๐ ๏ธ Turn off the router settings AP Isolation (customer isolation).
Conflict of protocols:
- ๐บ Turn off all broadcast modes (Miracast, AirPlay, Google Cast) and turn on only one.
- ๐ฑ On the phone in Settings โ Connections โ Broadcast screen reset to factory settings.
Programmatic limitations:
- ๐ Update the phone firmware (Settings) โ The phone. โ Updating the system).
- ๐ ๏ธ Remove the app cache Settings โ Annexes โ Systemic โ Screen broadcasting โ Memory. โ Clear the cache.
- ๐ฑ Check if an antivirus is blocking the broadcast (e.g. Avast or 360 Security).
Hardware restrictions:
- ๐บ Samsung J Series TVs (2016โ2017) do not support Miracast at 5 GHz โ switch to 2.4 GHz.
- ๐ฑ On the Redmi Note 8 Pro and older, the processor can overheat when streaming games.
๐ก
If the TV sees the phone, but the connection breaks down after 5-10 seconds, the problem is 90% of the time with the router settings. WPA3 favorably WPA2 Change the channel width from Auto to 20 MHz.
7. Alternative methods: if Wi-Fi does not work
If wireless connectivity fails fundamentally, consider alternatives:
1. Connection to USB (MHL/Slimport):
- ๐ Requires an adapter USB-C โ HDMI (for example, Xiaomi USB-C to HDMI).
- ๐บ Works on TVs with the port HDMI (It is supported by most Redmi since Redmi 9).
- โก Delay is minimal (suitable for gaming).
2.Use of Xiaomi Mi TV Stick:
- ๐บ Connects to any TV with HDMI.
- ๐ Supports Google Cast and Miracast.
- ๐ฐ Cost: ~3 000 โฝ (cheaper than smart TV).
3. Transfer of files over a local network (SMB/FTP):
- ๐ Suitable for photo/video (for example, through the ES Conductor + VLC TV).
- ๐ No special protocols are required.
- ๐ ๏ธ The setup is more complicated than the DLNA.